KEY AND INDEX 



New York; died at New Haven, 1895. Ameri- 

 can geologist. Educated at Yale College. Ap- 

 pointed instructor U. S. Navy, afterward Pro- 

 fessor Natural History at Yale (1855-1890). 

 Member Wilkes exploring expedition (1838- 

 1842), when he collected an immense amount of 

 zoological material, on which he worked for 

 thirteen years. Made valuable contributions to 

 geology and mineralogy, and was honored by 

 many scientific societies in Europe and America. 



Darwin, Charles Robert, iii, 95, iv, 173. Born 

 at Shrewsbury, England, Feb. 12, 1809; died at 

 Down, Kent, April 19, 1882. English naturalist, 

 the greatest of the Nineteenth Century. Edu- 

 cated Edinburgh and Cambridge, destined for 

 the church, but his tendencies were strongly to- 

 ward natural history. Went as naturalist on 

 the "Beagle" expedition, 1831-36, and made 

 many important contributions to zoology and 

 geology. Announced his theory of natural se- 

 1'ection with A. R. Wallace, who had arrived at 

 the same idea independently, in 1858. Published 

 "Origin of Species" in 1859. This revolutionized 

 the whole study of zoology, from the standpoint 

 of evolution. Darwin extended his general the- 

 ory to man, and continued his studies tending 

 to the demonstration and confirmation of his 

 views. 



Darwin, Erasmus, iv, 94. Born at Elston, Eng- 

 land, 1731 ; died at Derby, 1802. English physi- 

 cian and naturalist, grandfather of Charles R. 

 In his writings there is much that his grandson 

 afterward confirmed. Lamarck and others who 

 helped develop the theory of evolution owe much 

 to Erasmus Darwin. He wrote in prose and in 



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