THE DAWN OF LIFE 



BEING THE 



pbt0rg of tin ®Itrest Pn0t0ix Jfossil |lemains, 



AND 



THEIR RELATIONS TO GEOLOGICAL TIME 



A:N'D TO THE DEVELOPMENT OF 



THE ANIMAL KINGDOM. 



BY 



J. W. DAWSON, LL.D., F.R.S., F.G.S., Etc., 



PKINCIPAL AND VICE-CHANCELLOR OF M'GILL UNIVERSITY, MONTREAL ; 



AUTHOR OF 



"ARCHAIA," "ACADIAN GEOLOGY," "THE STORY OF 



THE EARTH AND MAN," ETC. 



LONDON : 

 HODDER AND STOUGHTON, 



27, PATERNOSTER ROW. 



^"MDCCCLXXV 



