INDEX 



ACTINOZOAN THEORY of Verte- 

 brate Descent, 299-300 

 Adaptation as Conservative Prin- 

 ciple 



Cuvier, 39, 76 

 Adaptation, Ecological 

 Von Baer, 123 

 H. Milne-Edwards, 199 

 Lamarck, 221, 222, 223, 224, 



227 



Treviranus, 225 f.n. 

 C. Darwin, 231-2, 235, 239 

 Haeckel, 248, 263 

 Gegenbaur, 263 

 V. O. Kowalevsky, 362 

 Osborn, 362-4 



Adaptation, Ecological, and Classi- 

 fication 

 Bronn, 203 



Adaptation of Parts. See "Corre- 

 lation, Functional," and 

 " Conditions of Existence " 

 Adaptive Radiation (Osborn), 362-4 

 Agassiz, A., 288 f.n., 295 



On Ccelom, 296 

 Agassiz, L. 



Criticism of Vertebral Theory of 



Skull, 157 

 Membrane and Cartilage Bones, 



164 



Transcendentalism, 203 

 Classification, 203 f.n. 

 Three-fold Parallelism, 230, 255 

 Influence on Darwin, 238 

 Specific Distinctness of Embryos, 



353 



Albertus Magnus, 17 

 Alcmjiean, i 



365 



Aldrovandus, 18 



Allman, 209 



Analogy. See also Homology. 



Aristotle, 8-10 



Owen, 108 



Haeckel, 251 



Gegenbaur, 266 



Lankester, 267 

 Anaxagoras, 14 

 Anaximander, 14 

 Anaximenes, i 



Animal and Vegetative Lives- 

 Aristotle, 1 6, 32 



Buffon, 26-7 



Bergson, 26 f.n. 



Cuvier, 26, 32 



Bichat, 27-9 



Oken, 94 



K. G. Cams, 94 



Von Baer, 116, 123, 131 



Remak (Sensory and trophic 

 layers), 210 



Gegenbaur, 263 

 Annelid Theory of Vertebrate 



Descent, 274-85, 301 

 Archetype, Anatomical, 246, 302-3 



E. Geoffrey, 54, 67 



Owen, 104-7, 1 10 



]. V. Carus, Huxley, 204 



C. Darwin, 238 f.n. 

 Archetype, Anatomical, as An- 

 cestral 



C. Darwin, 235, 247 



Haeckel, 251 



Gegenbaur, 265 



Sedgwick, 300 



Criticism of this idea 

 O. Hertwig, 355-7 



