230 



DESIGN IN NATURE 



It appears, from the observations of Mr. Darwin and others, that very extensive regions of the continent 

 of South America have been undergoing slow and gradual upheaval, by which the level plains of Patagonia, 



TABLE OF STRATIFIED ROCKS 



Showing Approximate Thickness 



TOTAL DEPTHS quARTENARx^ 



£00 FT RECCNTANO PLEISTOCCNC £00 



450 - PLIOCENE aooFT 



IA50 - 

 £.050 



2,850" 

 5,350' 



31,850 



38,850 



53,850 



65,850 



S Y STEMS 



TYPICAL FORMS 



« MAN, M AmMur H.MASTOOOM 

 5< THREE TOED HORSE 



j| TETRABELODON 

 •« ARSINOITHERIUM DINOCERAS 



* ANCESTORS OF ELEPHANTS 



HORSESanoMAMMALS GENERALLY 

 iO LAST ICHTHYOSAURUS 



S^GREIAT DINOSAURUS 



THEROMORPHS 

 PARIASAURUS 



LAST TRILOBITES 



//JORDOVICIAN/// 



■/•/ / 1' '/■ 15,000 f ■hill '1 hi 



SCORPIONS 



< FIRST FISHES 

 MARINE SCORPION 



" a: 



LO 5 O 



< => 



X. 0; 



CO L> 



FIRST TRILOBITES 



115,850, 



Fig. 44.— a tabular view of the strata of the earth's crust, showing the relative thiol<uP,s of 



oth-SXXS,!""^ -* *'^^^- "^'^'^-^-^ the'^^r i^'.S tl^^l^r ^ 



Z'lttt f ^f^'^^™^^^^ .' ^^^ tl^e P-n^P-B of Buenos Ayres, have been raised above the level of the sea 

 On the other hand, the gradual sinking of the west coast of Greenland, for the snace of morp thL Jm ""^j V'^' 



Dr. Pmgel. And while these proofs of continental elevation and subsidence, by slow and insensible movements; 



