264 



INDEX. 



Computation Continued. 



Of cumulative segregation, etc. Continued. 

 Direct, in a Given Case, 109. 

 By Table A in a Given Case, 109. 

 By Table V in a Given Case, 109. 

 Of Ratio of Half-breeds to Pure-breeds, 177- 



183. 



Of Effectsof Indiscriminate Elimination, 210. 

 Of Probability of Mismating without Segre- 

 gative Instincts, 99, 241. 

 Of Probability of Mismating given in Permu- 



tational Triangle, 243. 

 Of Permutational Triangle, 241-242. 

 Conn, Prof. II. W., "The Method of Evolution," 



36, 145. 

 Cope, E. D.: 



Retarded and Accelerated Inheritance, 189. 

 "Origin of the Fittest," 190 

 Control by the Organism: 



Of Segregation and Divergence, 37-43, 115- 



127. 



Increases with Stage of Evolution, 156157. 

 Cooperation, 29, 158. 

 Coulter, John M., "Plant Structures," "Plant 



Relations," 89. 

 Cosmic Process: 



Not, as Huxley says, Opposed to Ethics, 157. 

 Illustrated by the Rising and Setting Sun, 



157. 

 Cumulative Adaptation through Survival of the 



Fittest, 96-98. 

 Cumulative Effects through Repetition in each 



Generation, 150. 

 Cumulative Integration or Invigoration through 



Amalgamation, 96-98. 

 Cumulative Multiplication through Predominance 



of the More Fertile, 96-98. 

 Cumulative Segregation: 



New Possibilities through Segregation. 9698. 

 In Plant Species with Computation, 108-1 1 1. 

 Producing Divergent Evolution, 159-183, 



262. 

 Cunningham, J. T. : 



"Sexual Dimorphism," 78. 



Inheritance of Functional Characters, 78. 



Dextral and Sinistral Flatfish. 256. 



Darwin, Charles, 6, 23, 25, 26, 34, 94. 96, 153, 197, 

 237. 



"The Voyage of the Beagle," 3. 



" The Origin of Species," 3, 10, 26, 167, 215, 



253. 



"Variation under Domestication," 167. 

 "Cross- and Self-Fertilization," 167. 

 Present Use of Isolation not the Same as His, 



185. 



"Descent of Man," 200. 

 Divergence Due to Environment, 216, 253. 

 Sexual Selection Sometimes Non-utilitarian, 



256. 

 Davenport, C. P..: 



"Experimental Morphology," 78. 

 Inheritance of Acquired Characters, 78. 

 Statistical Methods, 154. 



Degeneration: 



Through Cessation of Selection, 7376. 

 Illustrated by the English Cuckoo, 74. 

 Illustrated by the American Cowbird, 74. 

 In Human Eyesight, 74-75. 

 In the Ani and Other American Birds, 75-76. 

 DeVries, Hugo: 



' ' Origin of Species ' ' in Popular Science, 70. 



Mutation, 70. 



"Species and Varieties; Their Origin by 



Mutation," 77. 



Dextral and Sinistral Snails, 68-70. 

 Discontinuity of Species, 34-36. 

 Explained by Segregation, 35. 

 Discussed by Professor Conn, 36. 

 Discriminate 



And Indiscriminate Modes of Action, 80, 



132-136. 



Success equals Election, 53, 136. 

 Survival equals Selection, 53, 136, 150. 

 And Indiscriminate Isolation, 150. 

 Divergence 



That is not Due to Sexual Selection, 3. 

 Nor to Natural Selection, 4-5. 

 Nor in Proportion to Difference in En- 

 vironment, 4. 



Nor Useful to the Species, 4. 

 But Due to Habits of Feeding, 5. 

 And to Isolation, 7. 



Due to Independent Transformation, 17-19. 

 Through Isolation and Selection, 17. 

 Through Segregation, i. e.. Discriminate Iso- 

 lation, 17. 



Independent Transformation always Diver- 

 gent, 18. 

 Through Indiscriminate Destruction under 



Isolation, 19. 



Through Isolation and Variation, 29, 39, 

 May be Lessened by Selection, 25, 29. 

 Increased by Length and Degree of Isolation, 



27. 



Under the Same Environment, 37-43. 

 Through Methods of Using Resources, 39. 

 Without Advantage, 68-70. 

 Utilitarian and Non-utilitarian. 194, 218. 

 In Land Mollusks, 212-224. 

 In Snails of Oahu, Hawaiian Islands, 212. 

 Without Diverse Environments, 215. 

 In Such Cases Without Advantage, 217. 

 Like Divergence in Systems of Counting, 217. 

 Not Always Adaptive, 218. 

 Must be Advantageous According to Thisel- 



ton Dyer, 218. 



In Proportion to Distance of Separation, 221 . 

 Depending on Isolation Illustrated, 222. 

 In Land Snails of the Society Islands, 224. 

 In Insects, 225-234. 

 In Butterflies, 225-229. 

 In Periodical Cicada, 229-234. 

 Through Cumulative Segregation, 234-235 , 



262. 



Reply to Criticism of this Theory, 236-240 . 

 Not Necessarily Advantageous, 248. 



