INDEX 



171 



SHIPLEY, A. E., estimate of num- 

 ber of species of animals, 10 



Slavery, views of Lyell and 

 Darwin, 76 



SMITH, W., influence of his teach- 

 ing on Geological Society, 27 



SOLLAS, W. J., on Evolution and 

 Uniformitarianism, 152, 153 



Species, origin of idea of, 9 ; num- 

 ber of species of animals, 10 ; 

 of plants, 11 



Struggle for existence, Lyell on, 

 103, 107 ; de Candolle on, 107 



Theory of the Earth, Button's, 



17 ; Scrope's, 36 

 THOMPSON, G. P., see Scrope, 33 

 Time geological, Lyell on, 154 ; 



Lamarck on, 155 

 TOLLET, Miss G., aids Darwin in 



revising Origin of Species, 132 



Uniformitarianism, origin of the 



term, 14, 15, 22 

 Uniformity (or Continuity), 



Lyell's real views on, 62, 63; 



misconceptions of his views 



on, 151, 152, 155 

 University of London, Lyell's 



connexion with, 59, 65 



Variation, early recognition of its 

 importance, 9 ; Lyell's discus- 

 sion of, 64, 103 ; Darwin's 

 work on, 141 



Vestiges of Creation, influence of, 

 93 ; Darwin on, 94 ; Wallace 

 on, 110 



VINES, S. H., estimate of number 

 of species of plants, 10 



Volcanoes, Scrope on, 36 



Vulcanism, see Plutonism &c., 18 



WALLACE, ALFRED EUSSEL, on 

 ideas and actions, 4 ; his early 

 life, 110; in South America, 

 110 ; in Malay Archipelago, 110; 

 influence of Principles on, 79, 

 110 ; speculations at Sarawak, 

 111 ; influence of Malthus on, 

 112 ; conception of idea of 

 Natural Selection, 111, 112; 

 ignorance of Darwin's views, 

 112 ; statement on his relation 

 to Darwin, 113, 114 ; his mag- 

 nanimity, 114; on geographical 

 distribution of animals, 146 ; 

 his defence of Lyell's principle 

 of Uniformity, 153 



WELLS, Dr, his anticipation of 

 theory of Natural Selection, 

 92 



WERNER, success of his teachings, 

 21, 26, 27; his influence on 

 early geologists, 26 



Wernerian Society, founded, 1807, 

 by Jameson, 21, 25 



Wernerism, 18 



WHEWELL, Dr, contrast of doc- 

 trines of Hutton and Lyell, 22, 

 53 ; originates terms ' Catas- 

 trophism,' ' Uniformitarian- 

 ism,' 22 ; and Geological 

 Dynamics,' 70; reviews Prin- 

 ciples, 53 ; opposition to Evo- 

 lution, 83 



World, small part known to 

 ancients, 9 



Worms, Darwin's work on, 147 



ZITTEL, K. VON, on Button's work, 

 19; on von Hoff and Lyell, 

 50 



Zoonomia of Erasmus Darwin, 

 101 



