2 66 



INDEX. 



Hyatt, Mpheus, 192. 



Methods of Studying Segregation, 154. 

 Earlier and Earlier Inheritance, 1S9. 

 I lecline in Individual and in Type, 190. 



I mpregnational [solation: 



And Selection, 82, 87-111. 



Import nice of, 95 101. 



Indiscriminate — 



Mode of the Four Principles, 132 136. 



Survival. 1 53. 



Equals Indiscriminate Elimination, 136, 152, 



[solation, 1 53, 150, 152, 186, 252 255. 



Success, 134, equals Indiscriminate Failure, 

 136. 



Partition, 134. 



Contrast in Discriminate and Indiscrimi- 

 nate Action. 134 136, 150. 



Table of Discriminate and Indiscriminate 

 Forms, 136. 



Elimination, Computation Showing Effect of, 

 210. 



Individual Variations: 



Considered of no Effect by Mutationists, 



71-77. 

 Importance of, Shown, 73-77. 

 And Degeneracy of Eyesight, 74-75. 

 And Degeneracy in Cuckoo. 75-76. 

 And Degeneracy in Milk Giving, 74. 

 Selection of, Leads to Mutation, 77. 



Innovation: 



And Variation. 46, 51 , 59. 



Molding of Innovation and Tradition. 60. 



Intension 



The Law Of, 192-194. 



Selectional, 195 209. 



Indiscriminate Eliminational, 209 211. 



Computation of Indiscriminate Elimination, 



210. 

 Amalgamational, 21 1. 

 Equals Intensive .Segregation, 185 245, 262. 



Isolation: 



In Its Broader Meaning, 6. 



And Divergent Evolution, 7. 



Considered by Lamarck and Packard, 7. 



With Variation Causes Divergence, 29. 



Importance of, 51. 



I >■ fined, 53. 



Coincident . 66 



Caused bv Partition, 67 68. 



Structural, 68 70. 



Reflexive, 81-114. 



Conjunctional, *.' 83. 



[mpregnational, 82, 87—111. 



In titutional, 82, I 14. 



Sexual. 83 84. 



Social, 83-85. 



Family, 86. 



Dimensional, 87-88. 



Structural, 87-89. 



Potential, 87, 89-90, 108-111. 



Isolation — Continued. 



Environal, 115, 118-128. 



Endonomic, 1 15, 1 18 122. 



Industrial. 115. 119-123. 

 Chronal, 1 15, 125 -125. 



Seasonal. I 15, 124 125. 



Cyclical. 115, 125 124. 

 Migrational. 115, 126 127. 

 Heteronomic, 115, 118. 126, 128. 

 Transportational, 115, 126. 

 Geological, 1 15. 126. 

 Fertilizaiional, 115. 128. 

 Artificial, 115, 128. 

 Spatial. I ' ) 



Geographical, 125. 

 Local, 125. 

 Unbalanced, 149. 



Usually Somewhat Discriminate. 174. 

 Principles Intensifying Segregation. 171. 

 1'sc of, and Segregation. 175. 

 As 1'sed by Darwin and as Xow 1'sed. 185. 

 Indiscriminate, of a Few Segregative, 186. 

 And Unusual Opportunities for Migra- 

 tion, 221. 

 And Unstable Adjustments, 249-252. 

 Jennings, Herbert S., "Contributions to the Study 



of the Behavior of Lower Organisms," 189. 

 Jevons, W. S., "Principles of Science," 210. 

 Jones, Rev. J. P., The Formation of New Cast) 



in India, 143. 

 Jones, Lynds: 



Accommodation in Birds, 64. 

 Degeneracy in Nesting Habits, 76. 

 Kidd, Benjamin, "Principles of Western Civiliza- 

 tion," 30. 

 Lamarck. 7, 34. 

 Lankester, Prof. E. Ray, 9. 



On "Like to Like" as a Principle. 245-248. 

 Correlated Variation, 260. 

 I.e Conte. Joseph. 215. 



Marlatt, C. L., On the Periodica! Cicada. 124. 

 Mayer. A. G.: 



Dextral and Sinistral Partulse, 70. 

 "A Study in Variation of Partula," 155 156. 

 Modes: 



Of the Four Principles. 80. 

 Environal, of Influence, 80, 115 12'>. 

 Reflexive Mode ,,f Influence, 80 114. 

 Regressive Mode of the Principles. 129 15 1. 

 Discriminate and Indiscriminate Modes. 

 132-136. 

 Morgan. C. Lloyd. 45, 1S9. 



" I Libit and Instinct," 21 . 61. 

 "Coincident Variation," 61. 

 " Animal Behavior," 61 . 



Natural Selection of Innate Characters. 256. 

 Morgan, 'I'. II. 



" Evolution and Adaptation." 71. 73. 

 On Mutations, 71 75. 

 Mutation, 70 77. 



And Varieties, 7 1. 



Expounded by T. lb Morgan, 71 75. 



Theory Loses Sight of Certain Facts, 73-77. 



