IITDEX. 



Abnormal Transposition, or Multiplica- 

 tion of Parts, 172 



Acquired Characters, Transmission of, 

 179, 180 



Agassiz, Prof. L., and Darwin, 157, 158 



Animals, Variation of, under Domesti- 

 cation, 75, 115, 161, et seq. ; Abnor- 

 mal Transposition or Multiplication 

 of Parts, 172 ; Instinctive Know- 

 ledge in, denied, 216 



Argyll, Duke of, on Natural Selection, 

 144 



Atlantis Hypothesis, The, Darwin's 

 Objections to, 53-55 



Bastian, Dr. H. C, 160 



Bates on Mimicry, 212 



Bateson on Specmlation and Hypothesis 

 in Science, 14-15 



" Beagle," Darwin's Voyage in the, 

 21-24 ; Important Observations and 

 Discoveries, 23 ; Countries and 

 Islands visited, 23-24 ; Completion 

 of " A Naturalist's Voyage," 30 ; 

 Zoology of, 31 ; Geolog>- of, 35 



Beale. Dr. Lionel, 184 



Bear and Whale, a Hypothetical Illus- 

 tration of Natural Selection, 151 



Beetles, Wingless, 51 



Birds, Experimenting with Distasteful 

 Caterpillars, &c., 216 



Botanical Works of Darwin, 193, et seq. 



Bree, Dr.," Species not Transmutable," 

 149 



Butler, Dr., School at Shrewsbury, 

 Darwin's Education at, 16, 17 



Butterflies, Dimorphic, 204, 205 



Cambridge, Darwin studying at, 18-20 ; 



Revisited, 25 

 Carpenter, Dr., 159 

 Carus, v., 183 

 Case, Mr., Darwin attends his School at 



Shrewsbury, 16 

 "Challenger" Expedition, The, 53, 55 

 Cirripedia, Monographs on the, 36 

 Climbing Plants, 196 ; Revolution of 



the Upper Part, 196 

 Copley Medal of the Royal Society 



awarded to Charles Darwin, 109 ; 



to Sir Joseph Hooker, 111 

 Coral Reefs, Work upon the, 32 ; Theory 



of Origin, 33; Dr. John Murray 



rejects the Darwinian Theory, 



33 

 Creative Hypothesis, Huxley on the, 135 

 Crossing in Plants, The Advantages of, 



194 

 Cross-fertilisation in Plants, 201 



Darwin, Charles, Birthplace, 9 ; His 

 Parentage, 10 ; Family Genius, 10 ; 

 Secret of his Strength, 13-15 ; his 

 high Valuation of Hypothesis, 14 ; 

 Boyhood, 16-17 ; Scliool-life, 16 ; 

 Love of Sport, 16 ; at Edinburgh 

 17; Dislike of Dissection, 17; First 

 Scientific Discovery and Paper, 17, 

 18; at Cambridge, 18-20; his 

 Friendship with Professors Hens- 

 low and Sedgwick, 19 ; Voyage of 

 the "Beagle," 21, et seq. ; Prepara- 

 tion for and Effects of the Voyage, 

 22 ; the Most Important Discoveries 

 during, 23 ; Places Visited, 23, 24 ; 

 Re-visits Cambridge, 25 ; Work 

 upon the Collections, and the 

 " Naturalist's Voyage," 25 ; at Lon- 

 don, 25 ; Origin of Species, 25-29 ; 

 Geological Work, 29, 33 ; Comple- 

 tion of "A Naturalist's Voyage," 

 30 ; Zoology of the Voyage of the 

 "Beagle," 31; Papers on Earth- 

 worms, 31 ; Marriage, 32 ; Book on 

 the Coral Reefs, 32 ; Ill-health, 32 ; 

 at Down, 35 ; his Career as a Biolo- 

 gist, 37 ; Systematic Work, 37 ; his 

 Dislike of Species-mongers, 39, 40 ; 

 Death of his Father and Daughter, 

 41 ; Growth of the Origin of Species 

 Theory, 42-59 ; Correspondence 

 with Friends, 50-59 ; Experiments 

 with Seeds in Salt Walter, 51, 52 ; 

 Letter to Wedgwood, 52 ; Objec- 

 tions to the Atlantis Hypotliesis, 

 53, 55 ; Letter to Lyell, 53 ; Friend- 

 ship and Correspondence with 

 Wallace, 60-64, 81-86 ; their Joint 

 Papers Presented to the Linnean 

 Society, 46, 62 ; Letter to Asa Gray 

 on Selection, 68-70 ; Comparison 

 and Reception of the Joint Papers, 

 78-82; Delay in Publishing his 

 Discoveries, 90 ; Prei^aration of 

 Origin of Species, 95, et seq. ; Obser- 

 vations, 96 ; A])peals to Lyell, 97 ; 

 Letter to John Murray, 97 ; his 

 Influence upon Lyell, 105; Re- 

 ceives the Coplev Medal of the 

 Royal Society, 109 ; his Indebted- 

 ness to Lyell's Teaching, 110; In- 

 fluence upon Hooker and Asa Gray, 

 111 ; his Controversy with Asa 

 Gray, 114-118 ; his Influence upon 

 Huxley, 119-143 ; his Views of 

 Natural Selection as the Cause of 

 Evolution not accepted by Huxley, 

 121-128 ; Extracts from Letters 

 showing Difficulty with which 



