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[Apr. 27 1.™ to b. ll?ev5«Lrrfa.lS« S*^ (TO*, and flu. was confirmed by my examination of new lo«JiS«.^ nn w ^^? occuriBd Upper Lndlow and I^wer Hddih^^ without tiie intermediate formation; in S^ J^ 1^!^ An«ug beds, and strata which had not bZ fo?n^«™^ ^/^ other localities, but which I oon^TerS'salZlmtl^^V^.'^t Natural Historv Societv of \rnr.fJ2ili:- ^^ ^*'®" before the fossihferous, and in a position considered ^ £ ^^ "^ °°°" Belf as lower than the Ointon group sS lIl^TT "*^ f^' Dr., Dawson as possibly Devonian. AnoK wS^S^?^' ""^ stance was stated by Dr. Dawson in ti^^fl IWplexing raroum- Jat my newly disc^o.«ed iSeTi^Ut ^S !^' °'^^^^' ttat he had eh»where expressed, to thTXt thS STfiS *P""*5 Devonum strata, of which the ArisaiTMriT^^Z^ Mnnan and thrown into "^clinafanA^Sfdro^f f^S ^JT metamorphic mountain-ranires on tl,« -t,vS tbo formation of the 8iluria^dDevoni2^oSKaS«ta^^L^^« ^^ must be if Its equivalent at the lately diaooveiedloeS?f t v ^ ' make a oolleetion of the looks and Wu 'J ^ engaged to w^iliprt. very kindly asked Mr. Salter to ^ST* ^S?^ J? "Z u^pectechn^ \/ ^^ggMa#Si».>.i.^/i%»;.';' 1804.] HOwWlfAK— ARKAIO, WOTA SOOTIa;" 336 mX^Xlw tt\T^:^f'^' unhesitatingly ^ferred thVLuSwStone HeiT'^^r^^^^^ With regard to No 4 StZ^wTf^tT^^^^''^<'f^^^-^if)' by Dr. DawBwi aS' n;,^?]!? n^*°*" **^ '''"«'» ^"^ ^>««n regaled Wenlock, ZSZr^ol ^'S^^* ^^ "^^^^ «a IpLbly stone age, quaS^theXlfixJ^S:^ *'*"'" ^ *^« ^yJ^^ waa th^B r2^f W ia^*^.?Fr^*^'^y-'' The matter / where a «kerenoe of Son «S J^ ^??^*' ^'**P* °^ o°« PO"* to me, from a ow. it » member of our UpDerSilZ^rif^ of the province where every whole in an ZSr SSnZf ^'^■' ^^" ^« ^^ tS nation, much of1?S^SS^!f^ succession, and easy of exami- on a shor« Subject to ^iSTL^ ''^'^'^ ^^ ^*^"^ ""^tion^. degrading- aJSes Ti- -S^T' T?°°^*^*'"» "^ »<». and othe^ sidSS^exZ^^w'sl^ms t^« ^"^^^^t "^^ .^*«^ted to a con! moiphic range wS5STZJ.^r''^**"f^ the elevated meta- althofigh it appeaiB to Calto^^«r Sff **!*L"^ * ^^^"^ *»i«» son's ^dinS^^tS^a** ^T?i^"? "'y «{»^- »»^- an anticlinal never skirted S«V„n^* • .?**! T*° *<> «*y that southern boundar^of^ilZJ°Z^T*^^/*''^ *»»« 8«at that such had exSed, S ttSThS^K; ^ ^*>"1^, "^ther suppose during the earlv Dart rf f£ ri,?!^-*'***'' '*°'**^ ^y denudati^ dSl maCaSLgl^m ^T^\Ceth. ^"^"^n"'^ Werous c^ngSSwhich -e'^S^Ztt^^^] with iu . thicker series than the Ladlow \2l ?^?^ «"°P °"**^- I* » ' ^t,«ether.b«mt. See Bau^n^^^i^^Ai^TS^' :'^„^ ' Paper. CanadTS.t. and oLl t3!7. "im)**^ ** ^'^ ^""»- (I>awS!^ ■ /'" :)3G •HOOJH a "S t 1864.} HOn^AK— ABISAia, IfOTA SOOtlA. 837 •< ■« I'c^'ilS^^S? mterwning brtween the aaid monntains and whatever of the suppoaed old antidinal Lb. ^^ ^ latS^d*^;?^ i^ ?"^* ^•''^ «^ » evidently of stUl i™^- 1 i ,??" ■'"** ^'^S Iwen derated and throwi intoa .n^^L^"i °" the »tttt, or ahow, aide of the group extend, in an ahupet contmnona hnrf fr^ Blabk Point to AriaS ti^T^^ stoata have been left comparatiyefyTmaltered. fi trap-KSw mv be tr«5ed for aome distance into 'the aea. making tS^?hWJo^J anddangerona. To the west of Ariaaig Ker tt^Mnrof fa^n k IS. strata. The atrata on the shore are consequently indined morB or lew in proportion to their distance firoTtS pier ^a^^ distence tiiey are incEhed at low angles, and in J^^ JLih!^ homontel. About a nule from SfpiirTtl^arter^tl^ KXL'^"^."' ^^~' ** »*» «^' distance^awaS^ aitboogh tiie cause is not vunble. At the extreme of the ««nn "nL''^L"'J^! pier, trap/amygdaloid) againaTi^^t ^S contact with strata of the uppennoat member of theseriee mh^^ and overlymg the strata at ttTpoint of contact SSirp^ " at intervals constituting the shore-boundary of the KiSS fomation: the trap («') en the oppositely otZ^^^^ between the mountain-range and the intenrSng CariSoS! 0omerate and hmestone, and again betwt«n^t^ ofZ!S3|Sj our Silurian stoato. I also observed it at otheJpLts on ttSw At varying ^stances from these intruded loeks I found the Btilt^ parfacukrly disturbed, so that the «roup may be «Siod ^^SS whole, as j^cUnal. the direction of th5 aS b^e^ i;«^ 2tr''/ft„?^'^ i but the axis is seen apprSS^S^ mouth oi Doctor's Stook. at Arisaig Brook, Sd ^S's &oS ! § 3. Section firom North Ut, SouOi. «t SSl?^ "eotion (fig. 2) intarsects the district fi«m north to south LtiSL rS? ^7^ ^P***^. '^"« *^« *««' and forms^inC esUng rtudy. It u often vesicuhir, amygdaloidal. and oorSivTitin ^J^M^OMd pomtSTrf wmtwt^Bitt fflflBi. TE«se sedimentary " rocks lose aU .miWance of stratia«ition, being semetimee haJSy b2 M- 338 PBOOBSfiWOB OF |H« OBO^ICAL 80CIKTT. ^ [Apr. 27, ^ting^blefhm the tnip itself. Bomot^^ gm^d ^, at othe™ ja»pideou«, or beauS^lSS^^ kin?*,> i!^- PJ? °' «« l»«d A (flg. 2) kas an interest of a different kind; itLes inthewve opposite thebr^c in the line of trap, towWch FJWTFed, and contains many organismj. The lower part oontai^ ZrirJ^" n' ^r^^^ limestorie; the vertical seoSTf ,'iT ^ §?i"f y^ plano-convex, with simaximmn thicknew of b£ ^^Tml^t^I^ '^ iron-pyrites. Thei strata?wS are aU»ut 200 feet thick, have, in additi^ to the fossils found in ^l^ r' 'Sj™? to -eparate organisms, scattered abundJntS ^Xr nf'^ *~'° *^' '^*i*"" ^ *^«^*0P- The foSsils^rtS membw of the group were fi»t discovered by me in 1860 in iS form of c«rts,at the top of the much-altered aid disrupted sJtaaJ Debtor's Brook The prolific portions of tbe strata of Ss BStioJ »d those to the west of it, were only disccTver^d bylTiSfthe pastflununer. In the wd-limeetone bedsof our s^tionXfosSS are abundant and in good preservation. " me lossus nJ^J^^''^ ^.^^ principal genera, &c., of this group:— gjWo, (3 species); several species ot Murchisonia, StrcSena ^'P^^ifbrreHen, Salt.), and Petrata, sp. > ^«'«« «„?^w ^*^^ charactMB of A and B of the Section are so differ- ^H^.f^iT' " °°$ S^ ^"^ difficulty in determining the S- nataOTi of the one and the commencement of the other. '^^^'^^ . Strata A, where little altered, are generaUy hard sktv ittav ^^;y^'^\'^^^^^, and therefon. sJuZte^^e^li ^J^^ "fT^ ^- ^^"^ '^*«^- Strata B are in STloweSj part shaly, blade, ferruginous, and argillaceous, and in Se uv^ part they are finely laminated. The hori,ontal section of fliE tte cove whij cm generalljr be seen only at ebb-tidris sobSc? that It has often been considered by the^people of Se dStriS St'ei:t,kT?*r"''^'^ AriniularSha^c^rft?^ ^ rf tiiese rocks w fte occurrence of concretions, lying often irS SfSX^*^2"??*i*°**^«^ '^^ contrasti^ftaSly wiS ^„,^ ^i^?*^.**^^ ^ whil^ey axe enSd. tS^St fit^m tiie b^pnning to the end of the horitontal section hiTe S^ for a length of about 1848 feet. They also occur T S« v«S or through a total length of about two nrilee. ThT^iS mider which stoata B have been formed appear nbt to HvTlZ^S ^e kmd most favourable for the eBstenc^S-devekpS^Sfe OJe thickness of strata exposed in the line of section 2^170 feet vet* after a dihgent searoh, I only found a few i^noufe in^ilnilc ^a' specimen in one of the eoncrotions ab^JrS^to ^^^'^t.^ remarkable beds of G^ptolites; of tiieSI exS^tS "^1 ^uiidrei^pamenrmon, m^less perftect -^Q^^ ^ 1864.] HOmiTllAir— ABISAia, hota kotia. 389 . five « nx fomB, »U different from QraptolWnu CHnUmenm, disco- ▼ewd by Dr. Dawson in the beds aWe the portion ot the aeries nn^ oonaideration. In the line of section we have also, beyond doubt^e npiw members of the series B'. C, D of the other seotions, obaoored by dnft. I found characteristic fossils of C, the equivalent of the Aymestiy Limestone, at Doctor's Brook, and of B* Li a very raiaU brook to the west of the Prenchman's Bam ; and in suifaoe- rtones in the line of section I found several Specimens otAvieula Jioneynumt, B^ which is only found in D of the series, or the equivalent of the Ludlow TQestone. At the side of Doctor's Brook, m the same hne, is a bluff; which has only yet yield^ a £e^ Tri ®y *" "?* characteristic species. We have then another ^ "l^K^"^^' T^''^ " «^ obscure. This is possibly a repeti- tion of B of tiie senes. The strata of the bluff, lU well as of B'T?). .Ap towards the north ; and so do the others on thiTside, as has already beea observed It is obscure where we might have expected to find a repetition of B and A. Those formations only appew on this side of the synclinal, at the eastern part of Doctor's Brook, where its course is north and south. We have now reached the boundary of the Silurian fonjiation. and the motion next passes through E, which is Lower Carboni- ferous. Here we have, flret, compact limestone, and then hardened conglomerate, raised to a oonidderable elevation by an equaUy elevated m^ss of trap (a'), which succeeds it This trap is pe^aded by numarous veins of specular iron-ore,, which lue, however, too small to be of any economical value ; succeeding this trap is (b) the syenite of the mountain-range. , § 4. Seeiionjrom Ae Sast of Aritaig^Pier to Doctor's Brook. The next section (fig. a) begins at a point east of Aripaig Ker, and. after It rea<^ee tiie south side of the harbour, its oouiMis due Muth until itiea^M Doctor's Brook ValW; it then passes on, and meetii Doctor's Brook in the mountiun. , This section is very interesting, as It unquestionably pa8M|||hrongh tiie whole group, and as S w very htfle uncertainty m^ oonise which it traverses. We have a 13 * S?^.*^ the lift' of trap, ^hich is hero amygdaloid. Succeeding tius u an devated mass of (A) the equivalent of the Mayhill Sandstone, which has been very muoh altered by the trap. •J"/?? * «^ o' poroellanous jasper, having often a beautiiDl nband-hke appearance. To the westward are the pier-rooks, eon- v ■wbng of an elev^ mass of A, in like manner eonverted into a jMHeouB look, md rf a great miiss of ti»p lying oa the south-east of tiie fomor. Between the tinp of the point of section md this there iB^al)reak,oppoate to which we have stratii of the group A. veiy little altered, consisting of layen of red and ydlow sandy shaC evidOTtiy similar to the stratii vMch on either «ide have been cw raoononiM or m tmouMioAi. wqnrr. [Apr. 27, totereetingTnaimer on the aides and bottom of th6 brook, beb« h«re Wack and fetrngmon., and appanmtly deatitnte of organiamT^ This fS^.T!^ *•>« 8^«P.P', wbere the ground beooihea eleyited, the JS5.fi?* ?^ ^O'^fwnyapeoimena of a charaSrteriatio Orthi,, aaaociatod with OraptolUhm CKnAm^oi, m HalL The paaaaj ^ ? f* ?^.^'y appawnt here, as w4 aa at Dootor'a BkwE ^eahale of B' is more compact than that of B; itiabaafoSSt kemg generjdly.of a lighter colour, and it was probabl^SS ' ^Kfo. "*"" fcTouraWe thiui the othe? for the e^Z^ ^1 fortfSoing observationa an> of interest as they demonatrate the aequenoe, hitiierto unknown, of the lowest memben of>the series wheth«r m its highly altet«d and ipparently non-foeailifeiWS «a eithw aide of Anaaig Brook lofty exposures of dialTtuh^^ • S^?.*\?-,f^«,f *\ ^r^g theto are seen sl2~r£, for^g hills of atiU greatei- elevation; on the aummit of the uZ^ - of!SwTl5!: 5? ^ ^'* ^* **"' «»d^abundiince of fragmento of sterna of Crmoids. I consider this to \)e the begiafiinTS tZ T"^Z' °k*^' 4j»«^,Ii™»>>-« (Salter), or ZcSL^r^ our aenes There ur an intereating bed of this group exposed on^ ^Ti^t *J^»*!?«k;itisve,yfo5uginous,almoS^^ of^^ro^Wia (vanous apeciea), AOyri, tumidaCSimah^, Sri*S'*"' f«°?^«^dently approach the syicKnTSSni the straw exposed on tte aides of the brook become diatorS^' A ^«^^!^^J2!!?*^**"^ ^«8"'»»^ti«»'«k which ow^KJ • ^™?i'i^ir«iT?^ 1 "^y importance untU we reach the ' ffonymt of a hill abll higher thiyi any through which the aeotion has paaaed, and the highest foftped by tt. SUuSn ^tT STiSS outCTopping onihe top, and towid. it, belong to £ gr^p D » S?nf°^"^^^£: ^»f«*I/o»™i*»«i«««haiiioteristic^ss^ ttus mmber, n«me^2J«2m«^ loj^^ Salt; ; Eornahnotu$ LawniU, HaUj H.KmghUi, ^iS^B^mOaan' - Cr^Aca^^,'E»&. The mks w^ dSs^SS tti !!7fu *^°* *PP*" "».««9: way on the hill-side or in the YaUer f-J?^"!:^ °^*^ Ji**^*' "^ *^ *^ anticlinal-; we havTtoJ in,^l^i!^^'*?!.l!'^**>P ^^«'*°^ *«»<*, at the extremes our sectioli, succeeded by syenite. ♦ «A.i«aaB «i f 5.. ^wftonyrom tA« jpVwcAman'* Airn to WCkru's Brook. _Tlug M«tioii(%. 4) passes ttirough all the members of the north J^^ •^•*° P-P-^ oo'wsponduig generally with thi» ny^Wwi th a , r 1^ 1- f '^'Ji''''^^'^^ What i. kAown lo«Uj, and from mhp« of liZ ^S^n" the ftimohniM'. Barn, on the. ffJfeE., and teJmi- ^ ;^ ^* *^^f* " ^^' " »'»«'** *"» «' • °^« beyoid what I at present consider ss ihe termination of the group, this is the most mtereshng of the th^ree sections, as it indSa^^the l^f Ze«^ ,^*t2-T° T*^*" f»4.1^™"'!^*T *««»«' -O'^th. the whole deceiving the underly^g rockjrtut an examination of adjoining brooks, aa weU as of outcit)^, shows that the underlying strata indude B i^d B' of iodc"*Z;rwSL /^""^ ^'V ^.^-^^ equally laige mjissee of similar rock toansported to as great a distance and to a still more derated SSS T,^ ^P^^\f^ of the group B'. With regard to the distmctiotf that I have made between B and B', I may oServe that I have not found any strata abbut the same pa«iUd in other localities " '"^A^flJ^^^rt.'tJiL^yJl -,"^^* I ^!^^9^ to con. 't -1 iv A XL , ' " "*°" jjouonu ttaaracier, i nav? - wTli^ *T t*»«««3e°»ber8 of the series are our approximate equiva- v«^Ll^V ^*' tV?l°''i they undoubtedly ii« between the^equi- valents of the IQiyhill Sandstone and of the Aymeetr«ymestone B ^h-iT'^w »f,'^«^y«l»?ly.»om|time8 dat^; it b exposed on the jSr^M. tef^;*°? ^^'^•^ '~*^<"»' aod «!«> in a mall brook (Bnuths Br5)A)wluch passes over them nearly in the Jiine of thdr dip. In these strata the organisms often form thin beds of liiie- "tone; they are sulBdently numerous as individuals, but of few' Kw f ^ ;^**L^' ^\^^ i" » P«iti°^ PanJld to thia in pother locality, Merigonidi, bdng here wanting. The most tt„i!L ^^ *"*^T° ■?? ^ ^"""^^ ^«" ^ the Lamdlibranch. foUowing table the pnndpalfoBsilB are given:— ^.r* Omnmyna triancolata, &i/^.' QnmmTaia oingdata, Hiamgtr. laooaidu? Strophomena deprean, Dalm.' OrthM. - 1 Chonetot. Lingola. )' Calimene. AwphiM. » ^rinoidea. Xenfaumlites. Graptolithus CHntonenmB, BaO. Biyofoa? , Wonn-tnMsia. ,. ' Above the Graptohte-strata there occur ^^\i Ixall thp Crinoid- and (5omuhte-8trate the Hthdogicd diaracters of which/as well ae / g^rfog^Bofflrentfcomthose of thefonner,thatl inn disposed I- to regard thw as the commencement of /the group C, or the eqni- tj 'e* f , 342 PEOoMDiKes o» ran oboiooicai socibtt. [Apr. 27, S^'fW^^f Ay^estry Liniestone. The strata are bo extremely i^ A A-^ "" T^^i ^^^ ^*''^* *° ^^t™"* the fossils from ^ZaJ^^^^T^I ^T^ °^ **»««« »t™t» i« «»« abundance of Sr H^*?** ""^ "^ ^r^y ^"^ Comulites. It is from them, also, that I suppose we derived the beautifjil PalaastervM^ lecbon It IS also worthy of notice that the genera of MoUul which, enstrng in a, had, according to our present knowledge dis- S mva^S *^ltt/ *^« ^Ppearanc/S the genus Bellerop?^ m JNova Scotia. The following is a list of the principal fossils f— Orthooerata. > BeUerophpn tplobatiw, Sow. (B^a- nia trilobata, Htll.) Murohiaonia. Pleurotomaria. Clidophonu. ATioiua. Strata of the same character i Strophomena. Bhynchonella. Fhaoops. Crinoidea. Paloastnea parviuscula, Billinas. Cornulitee. .««♦„! »„„*, Ii. — ^""'~' «~^iinue beautifully exposed in a hori- zontal section on the shore und^high-water mark^mta we reaSi S^iSn'Slf ^t^l'- ^^ ^ ^^ I fo«°d only iJSSt fossils unfal I reached this jfo^ whfere there are many sLimens of JbP ^^ T^ flpeci&/of Orihis. Up this bn^kftHSo^ S^^'SS ^- ^- '^ ^'^' ^^ "'^^ d^aracteristic o4Sm^ fL K f «««nination are not only expoe^ orthe shore and S the brooks through which the linefof Son passes but i S ^r'^cTl^f'^"?!*. outcroJthroughout SHitf th^ S^ £d ^teT* *^' "'"^V ^« h^ok. and a Uttle above ^A^^jS^ j^^Z^.\ '*^*°^ ^*^ B(»mUmotm, Crinoidea, and TentaeulUet. Immediately above this, the strata at the brook - and onward tea considerable distance, b^e shiSy, and coS ^rous nodular blocks, generaUy of large si«. feeSa.^;^; ^r^^JT^^' 'St^l^''^^''''^' Then, we have S° uniform, hght-ooloured argillaceous strata, which, on comnaS wifli those of other tocalitiep, I am disposed to regak mZCS rtrato of tiie group C. A remarkable iStare TtteJ? SdsTflie Ipreatdevelot^entofttiespedeflofOrtAocem.. It^^^ - I Murohuonia. ' Aorooulis haliotM, ifibv. Btrophcnnma, ^. 27, 1864.] HOnmUK — ABIBAie, HOVA 8C0TU. 343 Athyris, Tery like A., tumida, Dalm. Atrypa ratioiilat*, finely and coarsely nbbed Tarieties. Spirifer nimcorta, SaU. BhTnohoneU4 Wlaoni, Sow. (B. 8af- BUynohonella (other speoiea). CbooBtea. Orthis. Diadna. lingnla. Calymene. Homalonotua. Crinoidea (peraral specdea). Favoaitea. Stenopora. Teataoolitea. A httk above the OrthoceraB-strata are beds with abundance of a speoes of Ehynehonetta having ooante ymvj ribs, and then w6 have a stratom of considerable thickness de^colonred with oxide of ^^L^^ ^^ TJ. ^ ^T^'*^"^ w^e line of demarcation between the gronps C and D, as th«e are no characteristic fossils betwZ this and the strata where the characteristic organisms of D become evident. An unknown organism jftauracterizes these passage-r?) .beds, and M the only fossil know®, them. The strirSve a Tarymg strje above the beds B, F^the series. Erom this cir- cumstance the vertical section on the shore ai^tears somewhat per- plexing but the honzontal section shows very distinctiy the ascen&r order of the sjata. The undoubted group D, or the approxii3 equivalent of tiieFpper Ludlow, fs distinguished byito beautiM • and variegated stratification, tiie prevalent colo,^ bebg red jtrev stake becomes east and west. This is the case with the uppermost stiatii which have been tiirown in this direction by tiie amy&aloid trap, hj which It IS p^y overkin. Here onr Silurian feiSThas attorned its greatest development as regards genera, species, and individual. The fossilfl .^ not, however, so 5eU p^^eT'as in other parte of the series Of tiie dass C^hah>poda, individuals have diminished in .^e, while it has received many accessions in genera «id speciM. mUropoda,Pteropoda, fmi Oasteropoda abound, tiie Qattertmoda being generally of^smaller sLw tiian tiiey are in the group C. Lamdlibmrifhiaia occur in greater numben tiian before eepeciaUy species of C^Aorw. 5««*iop«fo are now gen^^ of smaUer speaes CruOacta are more numerous, botii in generi and speoes, fmAHomdUmotu, and Calymene are of rather unusual me. One pygi^um of ir«"oftiie8eri6stiieoi,5ani«ins wwe generaUy insulated ; sometimes tiiey oconired in smaU grouns Mdmtiun and smaU beds of limestone; here tiiey often fonSlimV- stone-bands Ave or nx inches^ in tiiickness, whi5i appear to have been, to a considerable extent, formed of tiie d^ris ^organisms In this member of tiie senes tiie fossils are generally fragi^tary' «atire8pew. Bellerophon oarinatos, Sow. Bellerophon atriatoa, 2/ Orb. BeDerophon expanana, Sotlr. Thee* Forbeaii, matft. Cuimmioa?, tp, MuTohiaonia Ariaaiganai^ BalL iCorohisonia aoioolatay i9a/K, Pleoratdmaria. Modiolopaiaf tlMhnboidea, HaU. ModudopaiB aabnaaitte, BaU^ GMofhonu cuBeaftua, Sail Clidophorua oonoentnoua. Sail. Clidophoma ereotua, MaU. CHiophottu ebngatin, MiA CTMnplu^Pi^T tminxtiatwir. ffatt. CMophoTUa naealiibrmiah SaO. Clidophoraa aaboTate^ JSToA Anoula Hone]miani,^ii itrildiig a resemblance, as regaids its feuna. s.iir«j:rrjss^"^' ""^' -^^^^ The ooncluaion thus arrived at is, that the members of the series are respeotiTdy the apiat>zimate equivaleate of the MayhiU Sand- V^rJ^^ J^'^: ^y™?"^ limestone, «id UppJr Ludlow. Mr. Salter su^Med to me the propriety thu>h.rT i^ Trin^t.lt ^ -A SOOteefT tota l , .8 70 feet; - *"*"'^ ^ -^ i m fee t , md^ i',s»%Jr.;iJi'A{tiiiJ!i', t.37, tekU, heU noM, 1864.] HOHBTlCAir — ABISAie, BTOVA BOOTIA. 345 I havo obMmd that strata A hare A feuna weU Seveloped, too much BO indeed, to warrant the Buppoeition that whUe thwe are Bedimentary rooks m other parts of the province, which we have every reason to suppose are older than those of the Arisaii? KrouD our A feuna is ttie fcst one represented in our Nova-Sco&mg^log?! Before I consulted Sir E. I. Murchison and Mr. Salter, I sWS that certain unaltered strata which I had discovered in anothw C*l&,r^ ^^*'^ }^' ■« ^^ ""^7 ^'^^' hundreds of Ufumlx. be of tf ..fctJiJ^?' J StfNuJj HI, I. f '(W- J! 4 f^'S ^« i U- -l.'S'k'i.'^-'v*!, J)nt& V ^- 1^ "' < 1 ' '¥^