484 



INDEX 



I). 



Decidua, 340 



Dental formula?, 250 



Denticles, dermal, 30, 71 



Dentine, 240 



Dentition, milk, 245 



Dermal skeleton, 3034 



Dermis, 16 



Deuteroplasm, 3, 4 



Development : general, 3 12; feathers, 

 21 ; hairs, 23 ; teats, 28 ; dermal skele- 

 ton, 30 ; vertebral column, 34 ; tail of 

 Fishes, 41 ; ribs, 52 ; sternum, 58 ; 

 skull, 6472 ; horns, 99 ; limbs, 

 102106 ; muscles, 135, 142 ; electric 

 organs, 147 ; central nervous system, 

 149; brain, 153; nerves, 177, 180; 

 sympathetic, 188 ; sensory organs, 

 189 ; olfactory organ, 196 ; eye, 207 ; 

 glands of eye, 218 ; auditory organ, 

 220 ; alimentary canal, 235 ; teeth, 

 239 ; thyroid, 255 ; thymus, 256 ; ali- 

 mentary glands, 267272 ; gills, 272 ; 

 air-bladder, 273 ; lungs, 281 ; air-sacs, 

 295 ; heart, 300 ; placenta, 337 ; 

 urinogenital organs, 341 ; suprarenals, 

 385 



Diaphragm, 141 



Digestion, intraeellular, and extracellu- 

 lar, 267 



Digits, 123134. 



Diphycercal tail, 41 



Diphyodont, 241 



Discoid segmentation, 5 



Duct : hepatic, 272 ; naso-lachrymal, 

 201 ; naso-palatine of Myxinoids, 198 ; 

 pancreatic, 272 ; pneumatic, 280 ; sali- 

 vary, 251, 252 ; urinogenital, 346. 



Ductus Botalli, 312. 

 Cuvieri, 322 

 ejaculatorius, 377 

 endolymphaticus, 221 

 perilymphaticus, 232 

 venosus, 333 



Duodenum, 236 



Dura mater, 151 



E. 



Ear, 220234 



Echeneis, suctorial disk, 103 

 Ectoderm, 4 

 Egg-cell (see Ovum) 

 Electric lobes of brain, 161 

 Electric organs, 146, 150 

 Embryonic area, 8 

 Enamel organs, 240 

 End-buds, 193 

 Endoderm, 4 

 Endolymph, 222 

 Ensiform process, 61 

 Enterocceles, 8 



Epiblast, 4 



Epicoracoid, 109 



Epidermis, 16 



Epididymis, 346, 350 



Epiglottis, 286 



Epiphyses of vertebrse, 49 



Epiphysis cerebri, 155 



Epipubis, 111, 114, 117, 118, 121 



Episternum, 6264 



Eustachian aperture and tube, 87 91, 94 



Exoskeleton, 30, 34 



Extra-branchials, 73, 75 



Eye, 207216: glands in connection 



with, 217 ; muscles of, 216 

 Eyelids, 217 

 Eyes, rudimentary, 211 213 



F. 



Fallopian tube, 373 



Fascia, 136 



Fat-bodies, 368, 370 



Feathers, 21 



Femur, 126131 



Fenestra : rotunda, 91, 227, 232 ; ovalis. 



84, 226, 232 



Fertilisation of ovum, 3 

 Fibula, 126, 131 

 Eibulare, 126, 133 

 Filum terminate, 152 

 Fin-rays, 103, 105, 122, 125 

 Fins (see Limbs) 

 Food-yolk, 3, 5 

 Foramen ovale (of heart), 317 

 Foramen Panizzre, 314 

 Furcula, 109 



Gall-bladder, 272 



Gartner's duct, 375 



Gastrula, 5 



Generative cells, development of, 347 



Generative ducts, 346 



Generative organs, 359 385 



Genital pores, 298 



Germinal epithelium, 347 



Germinal layers, 4 



Germinal spot, 3 



Germinal vesicle, 3 



Gill-arches and clefts (see Branchial 



arches and Clefts) 

 Gills, 236, 273 



Gills, external, 273, 278, 279 

 Gills, spiracular, 278 

 Gizzard, 262 

 Glands : Bowman's, 204 ; of Bartholini, 



385 ; of claspers, 18, 378 ; Cowper's, 



385 ; digestive, 267 ; femoral, 27 ; 



gastric, 257, 267 ; Harderian, 217 ; 



inguinal, 27; integumentary, 1729; 



intermaxillary or internasal, 251 ; 



