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Show ANIMALS lists IlMdllj ltrMl la U. SUM 1'r.hLlorl. TIbm. Most of lbs gigantic animals of geological ge-ological era belonged to species which havs completely vanlthed, and of those which have living representatives It Is difficult to say whether they have undergone a true change of sire or whether th modern examples are merely survivals of smaller contemporary contempo-rary varieties The larger animate have a tendency to disappear first la a partial failure of food supply. 01-gantlc 01-gantlc armadllloea closely resembling those of the present clay were formerly for-merly abundant In South America The remains of huge sloths are found In Cuba and North America. Sharks attaining a length of more Ibsn 100 feet are found In comparatively rectal fossil deposits Another flsn which represents a larger prehistoric species Is the American bony pike, which Is one of the few survivals of the enormous enor-mous ganoids of the secondary strata. The tiny nautilus of th present dsy had kindred 10 or 12 feet long In tarry time. Another email shell fish, the pteropod, -whose delicately complex structure la packed In an Inch of ball. Is found In fossil remains to bars reached the respectable length el couple of feet |