INDEX. 



495 



Extremities, ii. Ill, 306 

 Eye, ii. 250, 258 



connective membrane of, ii. 



251 



lids, ii. 259 



netted membrane of, ii. 252, 



258 



protective membrane of, ii 251 



pupil of, ii. 230 



rainbow membrane of, ii. 2Fi2 



vascular membrane of, ii. 252 



vesicles, i. 357 j ii. 253 



FABRICTUS AB AQUAPENDENTE, i. 31 

 Face, development of, ii. 245, 316 



skull of, ii. 278, 294 



Fallopian canals, ii. 431 



hydatids, ii. 431 



Fatty layer of corium, ii. 232 

 Female breast, ii. 202 

 cells, i. 171, 392 



copulatory organs, ii. 423 



excretory ducts, ii. 415, 431 



germ-glands, ii. 398 



germ-layer, ii. 398 



milk glands, ii. 202 



phallus (Clitoris), ii. 428 



sexual organs, ii. 423 



sexual plate, ii. 401 



uterus, ii. 417 



Femur, ii. 278, 304 

 Fertilization, i, 169, 176 

 Fibula, ii. 278, 304 

 Fin, central /rod of, ii. 302 

 Fin, rays of, ii. 302 



skeleton of, ii. 302 



Final causes, i. 16 

 Fingers, ii. 278 

 Fishes, ii. 109, 120 



fins of, ii. Ill 



gastrula of, i. 219 



scales of, ii. 331 



Five-digited foot, ii. 123 

 Flat-worms, ii. 76 

 Flesh, i. 259 

 Flesh-layer, i. 236 

 Foot, ii. 170 

 Force and matter, ii. 456 



65 



Forces, active, ii. 457 



latent, ii. 457 . 



Formative functions, i. 15 



yelk, i. 216 



Forms, science of, i. 20 

 Frog-Batrachia, ii. 131 

 Frogs, ii. 131 



egg cleavage of, i. 203 



gastrula of, i. 207 



: larva of, ii. 127 



metamorphosis of, ii. 126 



Frontal process, ii. 244 

 Functions of evolution, ii. 155 



science of, i. 19 



Funiculus genitalis, ii. 418 

 unibilicalis, i. 383 ; ii. 168 



O 



GALL-BLADDER, ii. 341 



ducts, ii. 341 



intestine, ii. 317, 330 



Ganoid Fishes, ii. 112, 120 

 Gartnerian duct, ii. 416, 431 

 Gastraea, i. 232 ; ii. 66 



theory of, i. 247 } ii. 195 



Gastrseads, ii. 62, 70 

 Gastrocystis, i. 291 

 Qcuforodiseia, i. 292 

 Gastrula, i. 192; ii. 65 



Bell-, i. 198 



Bladder-, i. 200 



Disc-, i. 200 



Hood-, i. 200 



Gegenbaur, i. 108; ii. 96 

 on Comparative Ana- 



tomy, ii. 96 



Gegenbaur on head-skeleton, ii. 293 

 on theory of descent, 



i. 108 



skull theory, ii. 293 



theory of limbs, ii. 299 



Generaiio spontanea, ii. 30 

 " Generelle Morphologic," i. 102 

 Geological hypotheses, i. 410 

 Germ, i. 3 

 Germ-area, i. 292 



dark, i. 297 



light, i. 297 



cavity, i. 189 

 disc, i. 139, 226 



