IXDEX. 



467 



Dental bulbs, 417 



Dental follicles, 417 



Dentine, development of, 417 



Dtsccmet, or Demours, membrane 



of, 47 



Development after birth, 458 



of the chick, different stages 



of, 389 



Dextral preeminence, 456-458 



Diaphragm, development of, 408 



Diaphragmatic hernia, congenital, . 408 

 Digestive fluids, not secreted during 



intra-uterine life, 409, 455, 459 



Discords, 190 



Discus proligerus, 277 



Dissepiments of the placenta,. . . . 383 



Dorsal plates, 390 



Ductus arteriosus, 432, 433, 442 



Ductus venosus, 434, 443 



Dura mater, first appearance of, . . 398 



Ear, bones of (see ossicles),.. 157, 200 



external, 152, 196 



muscles of, 153 



middle, 154 



muscles of, .'.... 158 



internal, 213 



development of, 403 



Ejaculatory ducts, 321 



Embryon, primitive trace of, . 358, 359 

 development of, and distinc- 

 tion of, from the foetus, . . . 387, 388 



Embryonic spot, 358 



Enamel organ, development of,.. . 417 



Endolymph, 218 



Epidermis, first appearance of, ... 397 



Epididymis, 315, 317 



development of, 422 



Epiglottis, development of, 414 



Epithelial band for the develop- 

 ment of the teeth, 417 



Erection, in the male, 334 



in the female, 336, 338 



of the uterus, 284 



Eustachian tube, 159 



dilator muscle of. 160 



development of, 412, 413 



Eustachian valve, 436, 442 



External auditory meatus,. . . 154, 196 



development of, 412, 413 



Eye, considered as an optical in- 

 strument, 70 



formation of images in, 84 



shadows of the retinal vessels, 85 



simple, schematic, 92 



PAGE 



Eyeball, physiological anatomy of, 44 



form and dimensions of,. ... 45 



summary of the anatomy of,. 66 



movements of, 129 



muscles of, 130 



axes of rotation of, 131 



protrusion and retraction of, 132 



extent of rotation of, 133 



parts for the protection of, . . 138 



development of, 4< >2 



Eyelashes, 139 



Eyelids, 138 



muscles of, 139 



development and time of sep- 

 aration of, 402 



Face, development of, 411 



Facial nerve, paralysis of, with loss 



of taste,. .. 236 



Fallopian tubes, 285 



development of, from the 



ducts of Muller, 421, 422, 423 



Fecundation, 331 



action of the male in, 332 



action of the female in, 335 



situation of, 342 



mechanism of, 344 



union of the male with the 



female element of generation, . . 351 



artificial, 351 



penetration of spermatozoids 



through the vitelline membrane, 352 

 Female organs of generation (see 



generation), 265 



Fenestra ovalis, 156, 164 



Fenestra rotunda, 156, 165, 214 



Fifth nerve, paralysis of, without 



loss of taste, 237 



Fila acustica,. 219 



Fishes, circulatory system of, 433 



Flavors, distinguished from true 



tastes, 233 



Foetus, influence of the maternal 



mind upon, 350 



movements of, 404 



respiratory efforts of,. . 404, 441 



relative development of the 



upper and lower portions of, ... 439 

 size, weight, etc., of, at differ- 

 ent stages of development, 448-450 



position of, in utero,.. .. 450, 451 



urine of, 454 



Foramen ovale of the heart,. 435, 442 



Fossa ovalis, 442 



Fovea cardiaca, 431 



