. The earth in past ages. Geology, Stratigraphic; Earth sciences. THE CRAG. *79 whole area of the London clay. The shelly beds include a number of kinds of life which are now- only represented in southern seas. A> many as two hundred species are said to be found living in the Mediterranean, and a few are paralleled off the COas ipan, Mexico and the West Indies. But while about sixty-five ^i the species are known only in southern seas, fourteen only in' northern seas, and seventeen have been met with in no other deposit, there are as many as 185 'alline Crag shells still found in the British
. The earth in past ages. Geology, Stratigraphic; Earth sciences. THE CRAG. *79 whole area of the London clay. The shelly beds include a number of kinds of life which are now- only represented in southern seas. A> many as two hundred species are said to be found living in the Mediterranean, and a few are paralleled off the COas ipan, Mexico and the West Indies. But while about sixty-five ^i the species are known only in southern seas, fourteen only in' northern seas, and seventeen have been met with in no other deposit, there are as many as 185 'alline Crag shells still found in the British The rock is named Coralline Crag from the large extent to which its upper 1" - -i-t of the remains of Polyzoa which were- formerly termed COrallil I which are still living, 26 out ire met with in British It the majority of I; g to the two extinct typ< //</, and Fasten- laria Hum with which me of the I 'nu a. '1'he fishes of th the common een cod, d, the : lack, whiting, and whit pout, with which have been found : at teeth of the shark ( 1 and of Otodt At the base of the < alline Crag, in places where the shark's teeth are found, FlG ^ IS a bed ot nodules Ot the Coralline Cra£. phosphate of lime, in which bones of the dolphin C/wncziphius occur with teeth of the whale BahenoJon, associated with teeth of. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Seeley, H. G. New York, Review of Reviews Co.
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyo, bookyear1902
