XVI 



CONTENTS, OR SYSTEMATIC INDEX. 





Page 



Toxodon . . . - 



428 



Macrauchenia .... 



428 



Protopitliecus .... 



. 428 



Australian — 





Thylacirms .... 



429 



Dasyurus .... 



429 



Macropus .... 



429 



Diprotodon .... 



429 



Nototherium ....** 



431 



Phascolomys .... 



431 



Thylacoleo .... 



432 



Geographical Distribution modified in past time . 



433 



Extinction of Species ..... 



433 



jSTestor productus ..... 



436 



Alca impennis ...... 



436 



Stellerus or Eytina . 



437 



Bubalus (Ovibos) moschatus .... 



437 



Antiquity of the Human Species 



438 



Association of Human Kemains with those of Extinct Animals 438 



Flint Weapons in Stratified Gravel 



438 



Do. in Caves .... 



439 



Origin of Species . 



441 



Hypothesis of Buffon . . . 



442 



of Lamarck ..... 



442 



of " Vestiges of Creation" 



443 



of Mr. Wallace .... 



443 



of Mr. Darwin .... 



444 



Evidence of Origin of Species by Secondary Law . 



444 



Summary of Succession, and Geological Relations of Mam- 





malian Orders ..... 



445 



Evidence of Progress and Advance in Organization 



446 



Conclusion ...... 



450 



Cuts 2 to 10, 3.2, 13, 17 to 20, 24 to 27, 30 and 31, are 

 from Original Drawings by S. P. Woodward, F.G.S. 



