. The Bible and science. Fig. 143.—Skeleton of Pterodactyl. have been deposited at the bottom of a deep the present day the same sort of deposit is going on MESOZOIC FOSSILS—CHALK. 28.^ at the bottom of the Atlantic. The foraminifera liveupon the surface of the water, but after their deaththe shells gradually sink until they reach the bottom,and there form a thick layer. As this deposit cannotbe distinguished from that forming the cliffs of Dover,. Fig. 144 —Microscopic section of chalkfrom Sussex. Magnified about 220iliauieters. Fig. 145.—Atlantic ooze from a depthof 2,250 fathoms.
. The Bible and science. Fig. 143.—Skeleton of Pterodactyl. have been deposited at the bottom of a deep the present day the same sort of deposit is going on MESOZOIC FOSSILS—CHALK. 28.^ at the bottom of the Atlantic. The foraminifera liveupon the surface of the water, but after their deaththe shells gradually sink until they reach the bottom,and there form a thick layer. As this deposit cannotbe distinguished from that forming the cliffs of Dover,. Fig. 144 —Microscopic section of chalkfrom Sussex. Magnified about 220iliauieters. Fig. 145.—Atlantic ooze from a depthof 2,250 fathoms. Magnified about220 diameters. (jr example, it has been said that we are still living inthe cretaceous period, but this is not correct, for thoughthese chalky animalculse or globigerinse still exist, yetother forms of life with which they were associatedduring the cretaceous epoch have entirely , in the cretaceous seas, ammonites were still plenti-ful, the ichthyosaurus and plesiosaurus still swam aboutin their waters, and huge lizards, like the Iguanodon,bird-like reptiles like the Compsognathus, or reptilianbirds like the Hesperornis, still walked about on the 284 SECONDARY AND TERTIARY EPOCHS. shores. Pterodactyls, also, still flew about, but manyshells, somewhat resemblmg those of our present seas,began to appear, and the myrtle, fig, walnut, and oakbegan to grow side by side with Banksias and otherplants resembling those of Austra
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