id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
14279	Nicholson, Henry Alleyne	The Ancient Life History of the Earth A Comprehensive Outline of the Principles and Leading Facts of Palæontological Science			.txt	text/plain	138110	10541	68	life-forms--Geological range of different species--Persistent types of life--Modern origin of existing animals and plants--Reference of fossil forms to the existing primary divisions of the animal groups of animals and plants--Succession in time of the great Group of Fishes from the Devonian rocks of North America. calcareous matter formed _in place_, by the growth of shell-fish, the animal remains contained in these deposits--the fossils of some is represented in the Lower Silurian rocks by numerous Corals. group is represented by a great number of forms, sometimes of general change of _species_ the Upper Silurian animals belong for of great thickness; and these two groups of beds together form (4) _Lower Helderberg Group_.--The Upper Silurian period in North Almost all the known forms of this period belong to the two great [Illustration: Fig. 60.--Upper Silurian Star-fishes. corals and shells, and appearing in many specific forms (figs. [Illustration: Fig. 102.--Fishes of the Devonian rocks of America.	./cache/14279.txt	./txt/14279.txt