3G6 



INDKX 



Archetype, Embryological, 168, 

 246, 302-3 



Von liacr, 126, 132 



Reichert, 139, 147, 149 



Rathke, 151, 153 



Huxley, 159-61 



Archetype, Embryological, as 

 Ancestral 



C. Darwin, 233, 236-7 



Haeckel, 254, 289-91 



Gegenbaur, 266 



O. and R. Hertwig, 298 



Sedgwick, 300 



A Kowalevsky, 300 

 Arendt, 162 

 Aristotle, 2-16, 17, 345, 364 



Historia Animalium, 2 



De Partibus Anima/iuiH, i, 9 



Knowledge of Animals, 3, 4 



Comparative Embryology, 4 



Classification of Animals, 4-6 



Unity of Plan, 6-7, 10 



Homology and Analogy, 7-10 



Teleology and Correlation, 

 10-12 



Law of Compensation, 1 1 



Division of Labour, 12 



Degrees of Composition homo- 

 geneous and heterogeneous 

 parts, 12-14, 169 



Law of Development (Von Bacr), 



M 



Scale of l'>cings, 14-16 

 Functional attitude, 15-16, 197 

 Animal and Vegetative Lives, 



1 6, 32 

 Ascidian Theory of Vertebrate 



I >esccnt, 269-73, 304 

 Atomists, 16 



Atomists, " I'.inlo-ii al," 102-4 

 Audouin, V. 



Unity of j)lan in Arthropods, 



85-6 



Law of Compensation, So 

 Marine /.oolo-y, 

 Autcnrielh, </>. 

 Avicenna, 17 



l'.Ai:\K, E., 333 



liaer, K. E. von, 113-32, 133, 251, 



304, 345, 356 



Founder of Embryology, 113 

 Entwickelungsgeschichte der 



Thierc, 1 14 

 Regulation of Development, 1 14, 



35 

 Development as Differentiation, 



115, 128 

 Germ-Layer Theory, 115-6, 118- 



1 19, 208-9, 2 96 

 Morphological Differentiation, 



116-7 

 Histological Differentiation, 



117-8 



Tissues and Germ- Layers, nS 

 Double symmetrical Develop- 

 ment, 1 1 8, 279 

 Criticism of Meckel-Serres Law, 



120-3, 304 



Theory of Types, 123-4, 289, 291 

 Law of Development, 124-6 

 Embryological Criterion, 126-8, 



132, 138 

 Embryological Archetype, 126, 



132 



Types of Development, 127-8 

 Von liaer and Cuvier, 128-30 

 Functional attitude, 129 

 Relation to Transcendentalists, 



129, 131 



Criticism of Scale of lieings, 130 

 Vertebral Theory of Skull, 131, 



142 



Serial Homology, 131-2 

 ("ill-slits, Gill-arches and Aortic 



arches, 135-6, 146 

 Membrane and Cartilage Rones, 



162-3 



Degrees of Composition, 172 

 ( )va of Mammals, 175-6 

 Segmentation of Ovum, 186 

 < 'ritirism of Evolution Theory, 



229, 242 



Influence on D.u ,\in, 236, 2^ 

 ( i itii IMU of I >ar\\ inism, 242 



