374 



INDEX 



( .run - Layers ami < '.astriea 

 Theory 



Haeckel, 289-95 



Lankester, lialfour, 295 

 Germ-Layer Theory, Influence of 



Causal Morphology on, 347 

 (icsncr, 1 8 

 (Hard, A. 



On Ascidian Theory, 271-3 



Adaptive Homology, 273 



Pcecilogcny, 347-8 

 Glisson, F., 19 

 Gluge, 173 

 Goebel, K., 356 f.n. 

 Goethe, 45-5 1, 65, 89, 250 



Unity of Plan, 45-7, 51 



Homology, 47 



Principle of Connections, 47 



Formal and Functional Alti- 

 tudes, 48-50 



Teleology, 48 



Metamorphosis of Plants, 48 



Repetition of parts, 48-9 



Vertebral Theory of Skull, 49, 



<A 97 

 Law of Compensation, 49 



Embryological Criterion, 49 

 Organisms as Nature's Works 

 of Art, 50 



Goette, 259 



( , r.iaf, von. 175 



( '.rew, N., 169 



( iruber, 330 



II AKCKKI., Ernst, 247-60, 271, 314, 



34?, 353. 357 

 His sources, 24^-50 



Materialism, 248, 250 



On Teleology, Heredity and 

 Adaptation, 248, 263 



Correlation, Disregard for, 248, 

 204 



Geometry of the Organism (Pro- 

 morphology), 249 



Kepetition of Parts (Tcctology), 

 249-50 



Haeckel, Ern.st coniti. 



Classification as Genealogn.d 



250-1, 254 



Archetype as ancestral, 251 

 Homology and Analogy, 251 

 Biogenetic Law, 251, 253-9, 



291-4 



Three-fold parallelism, 254-5 

 Scale of IJcings, 255, 256-7 

 Organism as an Historical 



Being, 257 

 1'russianism, 257 

 Palingenesis, 258 

 Cenogenesis, 258-9 

 Heterotopy, Heterochrony, 259 

 Gastraea Theory, 269, 288-95 

 Phylogenetic Classification, 289- 



94 

 Criticism of Theory of Types, 



Monophyletism, 289, 291 

 Gastnea Theory and Biogenetic 



Law, 291-4 



Primary stages of Ontogeny 

 and Phylogeny, 291-3 



Ciulom, 291, 295, 296 



Experimental Embryology, 317 

 1 1 alter, 1 13 

 llarting, 284 f.n. 

 i lartmann, E. von 



On Darwin's conception of cor- 

 relation, 240-1 



Evolution, 244, 356 

 Hartog, M., 344 

 Harvey, 18, 113 

 llatschek, 270 f.n., 299 

 Ilelmholt/, H. von, 195 

 Henle, 172 

 Hcnsen, V , 209 f.n. 

 Hcrbsl, C., 333 

 1 1 eider, 46 



i Icrcdity and Mfinory, 330 44 

 llering, E , 341-2 

 " Heritage ;! Characters, 309, 322 

 I Irrlitzka, 332 

 1 lero|)hilus, 17 

 llcitwig, ()., 163, 330, 331, 346 



i in C. K. Wolff, 119 



