, 263
Semper, 279
Adopted by Evolutionary Morphologists, 302-8, 311-2, 314
Hubrecht, 305-6
Dohrn, 306

France, R., 345

Friedmann, 306 f.n.

Fuld, 333

Functional Adaptation, 316-7, 318, 320-9, 333, 344, 351

Functional Attitude--
Aristotle, 15-6, 197
Bichat, 27-9
Cuvier, 31-6, 65, 75-8, 200, 305
Goethe, 49-50
J. F. Meckel, 101
Owen, 109, 110, 111
Von Baer, 129
Milne-Edwards, 195, 197-200
J. Mueller, Reichert, 200
Bronn, 201-3
Lamarck, 222-6, 307, 335
Gegenbaur, 260, 263-4
Dohrn, 277-8, 307
Roux, 320-9, 335
Houssay, 333
Butler, 336-41
G. Wolff, 346
Driesch, 346-7
Giard, 347
E. Schulz, 347 f.n.
Keibel, 349-50
Mehnert, 350-1
American Palaeontologists, 361, 362
Ruetimeyer, 361
V. O. Kowalevsky, 361-2
Osborn, 362-4

Function-Change, Principle of--
Dohrn, 276-8, 306, 307
Eisig, 284

Fuerbringer, M., 282 f.n., 284, 323 f.n.

GALEN, 17

Gastraea Theory, 269, 288-95, 298, 299-3O1, 303

Gastrula, Discovery of, 288

Gaupp, E., 310 f.n.

Gegenbaur, C, 247, 260-7, 271, 285, 286, 288 f.n.
Division of Egg-nucleus, 188
Functional Attitude, 260, 263-4
Formal Attitude, 261, 263
Principle of Connections, 261
Embryology and Comparative Anatomy, 261-2, 263
Biogenetic and Meckel-Serres Laws, 262
Homology, 261, 263, 265, 266-7
Adaptation and Correlation, 263-4
Archetype as ancestral, 263 f.n, 265
On Phylogenetic Speculation, 265-6
Embryological Archetype, 266
Membrane and Cartilage Bones, 309, 310

Gemmill, J. F., 285 f.n., 312 f.n.

Geoffroy, Etienne, St Hilaire, 40, 52-78, 141
Unity of Plan, 52-65, 70 ff., as conservative, 75, 78
Principle of Connections, 53-4, 62-3, 71, 74, 261
Unity of Composition, 54, 70-1, 75-6, 200, 305
Archetype, 54, 67
Metastasis, 55-6, 59, 74
Opercular Bones, 56
Unity of Composition of Sternum, 57-60
Classification, 60
Vertebrates and Articulates, 60-4, 274, 278-9, 303
Formal Attitude, 62-3, 65, 71, 75-8, 305
Cephalopods and Vertebrates, 64-5
Scale of Beings, 64
Polemic with Cuvier, 64-5, 74-8
Evolution, 66-9, 73, 228
Biogenetic Law, 69
Teratology, 69, 315
Meckel-Serres Law, 70, 72
Criteria of Homology, 71, 72, 110
Law of Compensation, 72-3
Criticism of his Principles, 74
Relation to German Transcendentalists, 89, 100-1
Vertebral Theory of Skull, 96, 97
Influence on Darwin, 234-5, 238

Geoffroy, Isidore, St Hilaire, 65 f.n