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Les cartes, planches, tableaux, etc.. peuvent Atre filmis A des taux de reduction diffirents. Lorsque le document est trop grand pour Atre reproduit en un seul clich*, il est film« A partir de I'angle sup«rieur gauche, de gauche h droite. et de haut en bas. en prenant le nombre d'images nicessaire. Les diagrammes suivants illustrent la mAthode. 1 2 3 1 2 3 4 5 6 ^///n- ^-.v-'j'/-3^'- 246 PROCEEDINGS OF THE CALIFORNIA XJatalogue of Shells flrom Bering Strait and the adjacent por- tions of the Arctic Ocean, with descriptions of three new species.* BT W. H. DAIX, U. 8. COAST 8URTIT. Having had occasion to examine several colIectioDS of shells broaght down by whalers from the Arctic Ocean in the antumn of 1873, 1 was struck by the fact that there does not appear to be any catalogue of the species of that vicin- ity. Indeed, the region has been visited by but few collectors, and the speciea 'have been commonly described among a crowd of otherB from all sorts of lo* calities. The collectors upon whoso localities dependence can be placed ars rare, and mostly of modern date. I have therefore prepared this catalogue •• a kind of preliminary basis for a better one. The authorities are chiefly aa follows : Qray and Sowerby in the voyage of the Blossom, Captain F. Beeohey; Gk)uld on the shells collected by the late Dr. Wm. Stimpaon of the North Pa* •Publiibad in kdvtnce, Fcbnuir Mth, ltT4. 1^ AOADEMT OF SCIENCES. 247 Figure 1. Figure 2. Figure 3. ViaxKt 1.— Tho besnh at Oold Blnff, looking loutb. FlovBE a.— Boctiim of tho Bluff. A, loam, ten feet ; B, yellow clay, twenty feet ; C, yellow gravel, ten teet ; D, brownlHh samlstone, ton feet ; E, red and yellow gravel, forty feet ; F, blue aandatone, Atb feet, con- taining nomerouB fragmcutR of wood, partially transformed into lignite ; O, coarse red and yellow gravel, ftfty-five feet ; U, very fine blue gravel, five fei>«i i i i iy i..^n,.iirig. 248 PROOEEDINGS OF THB CALIFORNIA cific Exploring Expedition nnder Captain (now Admiral) John Rodgers ; Dr. P. P. Carpenter's Reports to tiie British Association ; my own collections from Plover Bay, and Nortoii Sound, and nontherly, from 1865 to 1873 ; collections from Cape Espenborg and Orantley Harbor hj Captain E. E. Smith, and from Icy Cape by Captain T. W. Williams, in 1873. A few other species known to be found in that region have been added from Tarioiis sources. Synonymy, in general, lias been waived, except for the purpose of referring to a figure. The region is probably a rich one, especially in forms of the Buccinoid and Cliryso- domoid types, and it is to be hoped that it may be more thoroughly explored before long. The large collections of species made by Dr. Stimpaon in this re> gion were lost in the Chicago fire, and contained many unpublished forms. It is, therefore, particularly desirable that more material should be obtained, and no oje is better able to contribute to oar knowledge in this respect than our hardy whalers. Doubtfully identified species and those which may be syno- nymous with others, are marked with an asterisk. Those species which may have boen erroneously attributed to the region referred to, have in (general been omitted. St.— Stimpson ; W.— Williams ; B.— Beechey; S.— Smith; D.— Dall; collectors. MOLLUSCOIDEA. Glass TCNICATA. 1. Chehjsoma Mncleaijnnum, Brod. ; Arctic Ocean ; B. 2. Cynthia pyriformis, Lin. ; Plover Bay ; Avutcha Bay ; south to the Aleutians ; D. 3. Jiollenia Berintri, Dall ; Bering Sea ; Pribiloff Islands ; D. There are also a large number of species of tunicates in my own collection not yet iden- tified. Class Bracbiopoda. 4. Rhynchonella psittacea, h\n. {vM.^) ; Seniavine Str., St.; Plover Bay; Norton Sound, D.; south to Sitka, D. 5. Terebralella frontalis, Midd. ; Ochotsk Sea ; Attn Id. Aleutians, D. (Probably an arctic species). MOLLUSCA VERA. Class ACEPIIALA. 6. Saxuava plioladis, Lin. ; Pl*vcr Bay ; Norton Sound ; universal in €older water ; D. 7. Mya pracisa, Old. ; Plover Bay ; Avatcba Bay ; Norton Sound ; south to Sitka ; D. 8. MyatrunccUajllu.] Cape Espenberg, S.; Plover Bay; Norton Sound; Mutb to Sitka, D. «BM il AOADEUT OF SCIENCES. 9. Cyrtodaria siliqua, Blainr. ; Plover Bay ; Norton Sound ; south to Aleutians; D. 10. Corbtda gibbosa, Brod. ; Icy Gape ( 7 ) ; B. 11. Lyomia norvegica, Chemn. ; Arctic Ocean ; S. 12. Lyonsiaflabeltata, * Gld.; Arctic Ocean ; 8. 13. Siliqiia media, Dall ex Gray ; Cape Espenberg, S. ; Norton Sound, D. (S.borealis, Conr. ; and costata, Midd. non Say, pars.). 14. TelHna aUernidentata, Brod. ; Icy Cape, B. ; Cape Espenberg, S Avatcha Bay ; Aleutians, D. ; south to Sakalin Id., Schrenck. ( 77. utea ; Gray ; Guilfordice, Gray j venulosa, Schr.). 15. IHacoma nasuta, Conr.; Plover Bay, D.; south to Monterey, Cal. ; D. 16. Macoma edenttUa, Brod. ; Bering Strait, B. ; Aleutians, D. ; south to Oregon, D. 17. Macoma intonspicua, Brod. ; Icy Cape, W. B. ; Grantley Ilarbor, S.; Plover Bay; Norton Sound ; Aleutians, D. 18. Macoma prpxima, Brown ; Arctic Ocean, B. ; Norton Sound ; Aleu- tians, D. 19. Standellafdlcala, Gld.; Cape Espenberg, S. ; Aleutians; and south to Calirornia; D. 20. Liocyma fxtctuosa, Dall ex Gld.; Ochotsk Sea, Midd.; Aleutians, D. 21. Liocyma Beckii, Dall ; Plover Bay, D. 22. Liocyma viridis, Dall ; Arctic Ocean, St. S3. Liocyma arclica, Rve.; Arctic Ocean (ubi ?). 24. AsUirte semiiulcata, Jjt'ach {teste Stm.) ; Plover Bay; Norton Sound; Alentians ; Avatcha Bay, D. ; Cupe Espenberg, y. ; Icy Cape, B. ; [A. lactea, Brod.; craiHdens, Brod., Voy. Bios.). 25. Aslaite Banksit, Gray ; Norton Sound ; Plover Bay ; Aleutians, D. ; Arctic Ocean, B. 26. Astarte striata. Gray ; Arctic Ocean, B. 27. Venericardia borealis, Conr. ; Plover Bay ; Norton Sound ; Aleutians, D. ; Arctic Ocenn, St. ; south to Oatalina Island, Cal., Cooper. 28. Cardium isl and ic'.tm, Chenin. ; Cupe Espenberg, S. ; Norton Sound; Aleutians ; south to Sitka, D. 29. Cardium boreale, * Brod.; Icy Cape, B. 30. Senipes grotdandicum, Chemn.; Icy Cape, B. W. ; Cape E-openberg; Grantley Harbor, S. ; Plover Bay; Norton Sound; .Aleutians; south to Ore- gon, D. 31. Serripes Ijiperoum, Desh. ; Plover Bay ; Avatcha Bay ; Aleutians ; Kadiak ; Sitka, D. 32. Lucina borealis, Lin. ; Aleutians ; Sitka ; Catalina Id., D. ; probably arctic also. 33. Turtonia occidentalis, Dall ; Plover Bay, D. 34. Mytilus eduli^, Lin. ; Cape Espenberg, 8. ; mouth of the Mackenzie River ; McFarlane (whole Arctic Ocean probably). 35. Modiola modiolus, Lin.; Plover Bay ; Aleutians ; south to Monterey, Oal.; D. 41!(81 250 PROOBRDINaS OF THB CALIFORNIA 36. Modidaria Ittvigata, Gray ; Plover Bay ; Norton Sound ; Aleutians, D.; south to Oregon. 37. Modidaria n.irmorata, * Forbes ; Arctic Ocean. 38. Modidaria nigra, * Gray ; Arctic Ocean, St. 39. Modiolai'ia corrugata, Seniavine Strait, St. 40. Yddia myalis, Couth.; Seniavine Strait, St. 41. Ypldia limatuia, J. Sby.; Arctic Ocean, St. 42. Yoldia Iruncata (Gpr.) ; Norton Sound, D. 43. Yddia iillqua (Cpr.), Norton Soand, D. 44. Yoldia intermedia (Gpr.), Norton Sound, D. 45. Leda arctica, Brod.; Seniavin) Strait. St. {L. lancedata, J Sby.). 46. Leda miniUa (Old.) ; Bering Strait ; Seniavine Strait, St. 47. Nucula tenuis, Mont. ; Seniavine Strait, St. ; Plover Bay ; Norton Sound ; Aleutians ; ? south to Sitka, D. 48. Nucula expansa, Rye.; Plover Bay; Aleutians; Sitka, D. 49. Pecten islandiau,* Chemn.; Arctic Ocean, St. Glass Oastkropoda. 50. Cylichna triticea, Gouth. ; Seniavine Strait, St. 51. Chiton vestitus, Sby.; Seniavine Strait, St. 52. Chiton albus, Lin.; Seniavine Strait, St.; Plover Bay ; Norton Sound ; Aleutians; Sitka; Gatalina Id., D. 63. ChUon lineatus, Wood ; Plover Bay ; Norton Sound ; Pribiloff Islds. ; Aleutians ; Kadiak ; Sitka ; Monterey, D. 54. Cdlisella testudinali*, Miill. ; Plover Bay , Norton Sound ; in deep water south to Sitka, D. 55. Cryptobranthia concentrica, Dall ex Midd. ; Bering Sea, D. 56. Cryptobranthia alba, Dall ; Plover Bay, D.; Seniavine Strait, St. 67. Margarita umbilicalis,* Bto6. " Northern Ocean." (ubiT) 58. Margarita striata. Leach ; Seniavine Strait, St. 59. Margarita argentata, Old.; Seniavine Strait, St 60. Margarjia ianthina,* Gld.; Arctic Ocean, St. 61. Margarita Mula,* Q\d.; Arctic Ocean, St. 62. Margarita helicina, Mont.; Plover Bay ; Norton Sound ; Aleutians ; Sitka, D. 63. Margarita obscura, Gouth. Sound ; Sitka, D. 64. Crepidtda grandis, Midd. ; Plover Bay ; Norton Sound ; Aleutians, D. (not princeps of Gonr. fossil). 65. Mtsalia pdaris, Beck ; Gape Espenberg, S. ; Plover Bay, D. 66. Mesalia lactea, Moll.; Plover Bay, D. 67. Mesalia reticulata,* Wigh.; Seniavine Strait, St. 68. Litorina tenebrosa, var. ? Plover Bay ; Norton Sound ; Aleutians, Gape Espenberg, S. ; Aleutians ; Norton D. 69. Litorina tqualida, * Gray ; Icy Gape, B. AOADEHT OF SCIENOKS. 251 70. Lacuna vinda, Moot. ; Plover Bay ; Norton Soand ; Aleutians ; Sitka, D. 71. Admete viridula, Ooath ; Seniavine Strait ; St. Aleutians ; D. 72. Admete arctica, * Midd. ; Arctic Ocean ; Seniavine Strait ; St. 73. Trichotropis cancellatus, Hinds ; Nortoi Sound ; Aleutians ; Sitka ; D. 74. Trichotropis iniignis ; Midd. ; Seniavine Strait ; St. Plover Bay ; Norton Sound ; Aleutians ; D. 75. Trichotropis borealis, Lin. ; Melville Ids. ; Icy Gape ; B.; Plover Bay ; Aleutians ; D. 76. Trichotropis bicarinatut, Sby. ; Gape Lisbume ; Icy Cape ; B.; Plover Bay; D. 77. Trichotropis bicarinatut, var. t^ta, Litll ; Plover Bay ; D. 78. Trichotropis bicarinattts, var. spectabilU, Dall ; Seniavine Strait ; St. 79. Iphinoe coronata, Gld.; Seniavine Strait ; St. 80. Bela IcevigcUa, Dall ; Norton Sound ; D. 81. iBe/a (enui/iro/a, Dall, Norton Sound ; Aleutians; D. 82. Bela turricula, Mont. ; Seniavine Strait ; St. 83. Bela rufa, Mont.; Seniavine Strait ; St. 84. Bela decussata, Couth ; Seniavine Strait ; Avatcba Bay ; St. 85. Bela harpularia, Contb ; Seniavine Strait ; St. 86. Odostomia Benngi, Dall ; Norton Sound ; D. 87. Scalaria grdnlandica, Ghemn.; Gape Espenberg ; S.; Seniavine Strait ; St. 88. Natica clausa, Brod. ; Plover Bay ; Aleutians ; D. 89. Natica russa, Old. ; Plover Bay ; Norton Sound ; Aleutians ; De. ; Arctic Oocan ; St. 90. Lunalia septentrionalis, * Beck. ; Seniavine Strait ; St 91. Lunatia pallida, Brod. A Sby. ; Gape Eapenberg ; S.; Icy Gape ; B.; Plover Bay ; Norton Sound ; Aleutians ; D. 92. Amauropsis purpurea, Dall ; Grantley Harbor ; S.; Icy Cape ; W. ; Norton Sound ; Plover Bay ; D. 93. Felulina haliotoidea, Fabr. ; Plover Bay ; Norton Sound ; Aleutians ; Sitka ; Monterey, Gal. ; D.; Seniavine Strait, St.; Catalina Id., Gal. ; Cooper. 94. Velutina zonata, Gld. ; Seniavine Strait ; St. 95. Velutina cryptospira, Midd. ; Norton Sound ; Pribilofi Ids. ; Aleu- tians ; Sitka ; D. 96. Velutina coriacea. Pall. ; Gape Lisbume Bay ; B. 97. Purpura canaliculata, Duel. ; Plover Bay ; Norton Sound ; Aleatiani ; Sitka; D. 98. Buccinum ciliatum ; Icy Gape, W. ; Gape Espenberg ; S. 99. Buccinum tortuosum, Rve. ; Seniavine Strait ; St. 100. Buccinum pdart, Gray ; Icy Gape ; B.; Plover Bay; Norton Sound ; D. 101. . Buccinum ttnue, Gray ; Icy Gape ; B.; Plover Bay ; D. 102. Buccinum angulosum,* Gray; Icy Cape; B. {Stimpsoni, Gld.; Bering Strait ; St.) 1 r 252 PROOSEOINOS 09 THB OAUTORNIA i 103. •• Btueinum glaciale, Stm. ; Icy Cape ; W. ; Seniavine Strait ; St. ; Plover Bay ; Norton Sound; Aleutians ; Kadiak ; D. 104. Buccinum tenebrosum, Hancock ; Arctic Ocean ; B. (borealis, B. A S.; same locality). 103. Buccinum Fucherianum, Dull ; Pribiloff Us. ; D. (probably also Arctic). lOC. Buccinum Marchianum, DM ex Fischer ; Norton Sound ; Aleatiani; Sitka ; Kadiak ; D. ; B. cijaneum, Hanc. var. 107. BuccinoprtH eanaliculata, Dali, n. 8. ; Cape Espen'ocrp ; S. 108. Volutoharpa ampullacea, Midd. ; Seniavine Strait ; St.; Plover Bay ; Aleutians ; Kadiak ; Sitka ; D. 109. Cliriisodomus liratiu, Mart., var. tornalus, Old. ; Cape Eapenbcrg ; S. 110. Ckrijmlomus fornicalus, Gmol. ; Icy Cape; W. B. ; Seniavine Strait ; St. ; Cape Espenberg ; S. ; Mouth of tiiu Mackenzie River ; .McFiirlane ; Plover Bay ; Norton Sound ; D. {ileforme, live.) 111. Chrysodnmus f^lacialis,* Gray j " Arctic Ocean." 112. Chrysodomus Schantaricus,* Midd. ; Seniavine Strait; St.; Ochotsk Sea; Midd. 113. Chrysodomus islandiciis, Chemn.; Seniavine Strait : St. 114. Chrysodomus terebrcdis, G]ii. ; ley Cape; \V. ; Cape Espenberg ; S. ; Aleutians; D. 115. Heliofropis harpa, Dall, ex Moercli ; Icy Cape; W. ; Shumagins ; Fnalaslika ; 1). 116. VolutopHs Bering, WiM. ; Icy Cape; W. ; Aleutians; D. ((^uptain William's specimens were very strongly shouldered, short spired, heavy, and large). 117. Volutopsis atteiiuata, Dall, n. s.; Cape Espenberg ; S.; Cook's lulet ; D. 118. Trophon clathralus, Lin. ; Seniavine Strait; St. 119. Trophon muliicostatus, Esch. ; Norton Sound; Plover Bay; Aleu- tians ; Sitka ; D. (lamellosus, Gray ?). 120. Trophon lamellosus, * Gray ; Icy Cape ; B. 121. Trophon Orpheus, Gld. ; Plover Bay ; D. Buccinopsis cannlitulaia, n. s. Shell solid, livid white, covered with a strong, dark brown piVwe epidermis ; whorls moderately rounded ; suture deeply channelled ; surface of the whorls covered with fine, spiral thread-like ridges, with still finer ones intervening between them, lightly decu.ssatcd by the fine, but distinct lines of growth, to which the epidermis especially adheres ; the coarser ridges are about seven ia number, between the posterior end of the aperture and the edge of the suture **ThiB gpeclea ia eiceedlnglr variable in every reapect. B. anguiotum. Gray, in probably an extreme variety of it ; O. Rodgmi, of Old., Stimjaoni, Old., carinatitm, Manhiaraim and Bambergi, of Dunker, and aniTuIanim and milium, of Hccrcb, bealdea some of Mlddendorf' • ■peciia wUoli I cannot now specify, ai« all forma of thii protean apeclM. AOADEMT OF SCIENCES. S68 behind it. Whorls 5 VJ- aperture half as lonjr as the shell ; internally polished ; outer edfto somewhat thickened ; inner lip callous ; collumella strongly twisted ; canal short, rather wide. Lon. 1.33 inches, lat. 0.7.5 inches ; defl. 5.")°. This species is much loss inflated, and proportionally lonpcr than B. Dalei, Sby., which is nearly smooth, and has not the deeply channelled suture. S. striata, Jeffireys, (if this be a true BuccinopitU, which I doubt) has a struiffht columella, and proportionally larger body whorl ; the present species is a neater and more fusiform shell, with much Gner sculpture. Captain Smith obtaine inches, of aperture 1.4 inches, lat. shell 1.0, of aperture 0.5 inches ; defl. 40°. This very interesting species is at once distinguished from any of the de- scribed species, by the spiral sculpture, and otherwise by its elongated and slender form. V. regularis, Dall, from the Aleutians, is a much more robust shell, and of the same color, but quite smooth. One specimen, in good order, was all that Cuptuin Smith obtained. It has also been obtained at Cook's Inlet. 85"' Pteurotoma vinosa, n, s. This shell is closely allied to P. {Surctila) pervrrsa, of Gabb, from the Straits of Fuea and (!atalina Island, but diiTcrs in the following particulars: P. perversa has a light olivaceous epi»' mis, which gives a livid appearance to the light rcddi.sh brown of the whorls outside ; and a broad, white band, with ill-defined edges, passes round the perii)hery of the shell, just covered by the suture in the upper whorls. The columella, end of the canal, and tip of the shell, are also white. The present form is of a uniform deep winebrowu, or claret color ; is shorter and much less slender, with a shorter canal and pro- portionately much larger aperture. Both shells are reversed, and covered with fine, somewhat irregular spiral lines, not mentioned by Gabb in his diagnosis. My specimens were obtained in Kyska Harbor, Great Kyska Island, Aleutians. My largest shell has nine whorls, and is a quarter of an inch shorter, and one- fifth of an inch l)rouder, than a specimen of P. perversa of exactly the same number of whorls. It probably belongs to the Aleutian fauna, but may go northward to the Straits. 254 rROCEEDINOS OV TOE CALIFORNIA On New Faruitio Onutaoea, flrom the If. W. Coast of Amerioa.* BT W. H. DALL, ?. 8. COAST SUnVBT. More than a year afro, I submitted to the Academy dcHcriptlona of three new species of CyamI, from as many species of Pacific Cttiicea. Oa c.xumination of a small collection of parasites, in the collection of tliu Academy, (iiresented by Captain C. M. Scammoii, and reported to have been procured from a Pacific Right Whale, near the Inland of Kadiak, Alaska, in 1873) I find that it con- tains two species, both apparently undescribed. It is to l)c presumed that each species of whale has parasites peculiar to itself, and those who have the op- portunity of collecting these interesting animals should lose no opportunity of examining the rarer cetacca, and should preserve tiic parusitos of each species carefully by themselves. As there are many species from which no po ' 'tes have yet been collected, there are doubtless as many kinds of Cyami which are still unknown. The species described on pp. 281-3, Vol. IV of the Academy's Proceedings, have beitn well figured on plate X of Captain Scammon'a Marine Mammals of the N. \V. Coast of America, and, io default of a figure of the present species, I have preferred to give a comparative diagnosis, by which they may be moro readily distinguished from the figured and other described species. Cyamus tentator, n. a. Species in size and general form resembling C. Scammoni Dall,(Scammou, loc. cit. pi, X, figure 2) of a pale, waxy yell'^w, with the tips of the branchite pur- plish. It dificrs from C. Scammoni in the following particulars : Head pro- portionately smaller, not constricted behind the eyes, terminating in a point ia the median line behind, which point overlaps a median channel in the body segment. Second pnir of antcnns proportionately much longer, equaling twice the length of tlic head. Second pair of hands, with two sharp, spike-like tubercles in place of the two rather short and blunt tubercles of C. Scammoni. Hands otherwise very similar. Second segment with a broad channel in the median line, widening backward from the head, and rather shallow. Third segment not rounded at its outer ends, but furnished with very prominent knobs, at the anterior and posterior corners on each side. Tiiu outer edges of the fourth segment are also knobbed before and behind, but the anterior knobs are less prominent. The branchioe are not spirally twisted, but arc straight, laterally extended cylinders, nearly as long as the width of the segment to which they are attached. There are two pairs on each siile of the third and fourth segments in the male. The upper pair on each side are nut of equal length, as in C. Scammoni, but the inferior branchia of this pair is much shorter than the other ; both are straight or slightly curved upward and forward. The lower pair exist only in the males, they are very slender, at)d filiform, and quite short. *PubUi]iod in advuice, Huch 3d, 1871. i*iim mamm AOADBMT OF B0IBNOE3. 265 ! In the Temale they occm to bo changed Into poaches for the (Icvclopmcnt of the ova. Posterior part of the body as in C. Scammoni, Imt tlierc lire no serra- tions on the anterior oil;;i! of the-soventh segment. Iamij^iIi of largest specimen, 0.8 inches. Domicile on lialana Siebodii, Gray ; Norlli I'ucific Ocean. This is readily distinffnislicd from C. myaticeti Dull, by its spiked " hands " and knobby branchiiil Hcf^meiits ; and from C. Scamiiwni by its straight un- equal branchiic, long antenna;, knobe, and the shape of tlic head. Cijamun gra-ilii, n. s. This sixjcies is of a pale, wnxen yellow, on ungated and slender form, and small and slender limbs. It more nearly rescmbki ''. stiffasua I*all, (Scammon loc. cit. pi. X, figure -S) tlian any of the otbe ' li escribed species. It diBers from that species in the following pnrticul .>: It ia smaller, the largest specimen measuring only 0.5 of an inch in Ic ..i. It wants the jiiirple color, and is more compact and solid. The second pair of nntci.KC uiu much shorter, being only equal to the first segnunt and half of tlK n ■* segment of the corresponding members in C. sujfmus. The bianchic , ..longh similar, are proportionally one- third shorter. The posterior limbs are ehoiter and much mop weak and slender than in C. suffwus. The first poir of " hand.! " arc slenderly pynforra, instead of quadrate. The second pair are simple, without the tnhercles between the articulation of the limb and the " finger ;" or, at most, in the lurgt,-l sijccimens, the termination of the hand under the articulation of the hook, or fingir, is slightly produced into a point. The head is shorter, sub-triangular instead of elongated. I^astly, the scfrments of the body arc more or less closely appressed against each other lidbrc and behind, instead of being laterally attenuated, and separated as in suffimis. They are also proportionately less wide from side to aide than in mffusui. Habitat, with the last. The prominent fraturea of this epcciea are its alender and compact form, short antenna:, and weak and inconspicuous posterior limbs. Captain T. \V. Williams brought down from the Arctic Ocean, in 1873, some parasites from the walrus, which he presented to the Acodcmy. These paraskes are of a very, dark brown color, almost perfectly round in shape, with an indistinctly segmented abdomen, somewhat roughened with short hairs ; three pairs of short, bristly legs, a distinct but small throat, and very small ud short head. There is one pair of short, stout antenna;, with four joints; the mouth is suctorial. There are no other appendages to the abdomen or head. The want of books of reference prevents my being able to refer these creatures to their proper generic position ; and it would be, in any case, inad- visable to describe them as new, as parasites from the walrus of the North Sea have been recently described by a Swedish naturalist, and they may be identical with the present form. Mr. Stearns, rej^-.-^rting for the Publication Committee, spoke of the large amount of work accomplished by the Committee during the past year, and stated that the Proceedings of the Academy, for 1878, would be ready for distribation at the next meeting. 11 256 PROOEKDmOS OF 'mti OALCTORNIA On motion of Mr. Dall, a vote of thanks to Mr. Steams was adopted, in consideration of the large amount of labor and time which he had personally devoted to tl^e publications, during the year. The President announced the following appointments, made by the Board of Trustees at their last meeting : CURATORS. General Zoology. GEORGE HEWSTON, M. D. Ichthyology W. H. DALL Conchology W. G. W. HARFORD Ornithology WILLIAM BLUNT Entomology HENRY EDWARDS Palaeontology W. A. GOODYEAR Mineralogy THEO. A. BLAKE COMMITTER ON PDBLI0ATI0N8. GEORGE DAVIDSON. CHARLES G. YALE. R. E. C. STEARNS. HENRY EDWARDS. ALBERT KELLOGG, M. D. COMHITTBK ON PORKION FUBLI0ATI0N8. A. B. STOUT, M, D. J. P. LEWIS. H. N. BOLANDER. H. BEHR, M. D. EMILE DURAND. J. M. SMYTHE. The President also s^ted that the Academy, having effected a lease of the church on the comer of California and Dupont Streets, would hold their next meeting in their new quarters. s was 1 time ig the ie by M. D. )ALL ^ORD ,UNT lRDS EAR AKE id a ieta,