1 



THE CHAIN OF LIFE 



IN 



GEOLOGICAL TiME. 



td 



u 



h 



lb 



^ SKETCH OF THE ORIGIN AND SUCCESSION OF 

 ANIMALS AND PLANTS. 



BY 



J. W. DAWSON, LL.D., F.R.S., F.S.S., ETC. 



AUTHOR OF 



"ACADIAN GEOLOGY," "THE STORY OF THE EARTH," " LIFe's DAWN ON EARTH.' 

 "THE ORIGIN OF TH"t WORLD," ETC. 



WITH NUMEROUS ILLUSTRATIONSc 



THE RELIGIOUS TRACT SOCIETY, 



56, Paternoster Row; 65. St. Paul's Churchyard; 



AND 164, Piccadilly. 



