INDEX. 



339 



Diphyodouts, 213 

 Discosaurus, dermal skeleton, 32 

 Diverticulum cfecum, 234 

 Down-feathers, 22 



Duck : caudal vertebrae, 45 ; rudiment 

 of third finger, 107 ; lungs and air-sacs, 

 260, 261 



Duct : Leydig's, 301, 303 ; hepatic, 242; 

 naso-lacrymal, 174 ; naso-palatine of 

 Myxinoids, 171 ; pancreatic, 243 ; pneu- 

 matic, 251 ; of Steno, Wharton, and 

 Bartholini, 222 

 Ductus BotaUi, 284 



coclilearis, 199, 204 

 Cuvieri, 271 < 

 eudolymphaticus, 202, 205 

 ejaculatorius, 327 

 perilymphaticus, 205 

 thyreoglossus, 225 

 sacculo-utricularis, 177, 19 

 venosus, 270 

 Dugong, teeth, 220 

 Duodenum, 209 

 Dura mater, 135 



E. 



Ear : internal, 195206 ; external, 198 



Echeneis, suctorial disk, 85 



Echidna : mammary pouch, 27 ; pelvis, 

 97 ; anterior abdominal vein, 291 ; eggs, 

 320 ; urinogenital organs, 321 



Ectobronchia, 262 



Ectoderm, 6 



Ectostosis, 62 



Edentata, teeth, 213 



Egg-cell, 2 



Elastica limitans externa and interna, 33 



Electric organs, 124 128 



Electric plate, 127 



Emys, tongue, 224 



Enaliosaurus, abdominal ribs, 50 



Enamel, 32, 212 



End-bulbs, 166 



Endoderm, 6 



Endolymph, 196 



Endostosis, 62 



Ensiform process, 53 



Enterocceles, 9 



Entobronchia, 262 



Entoglossal, 61 



Ephippifer, exoskeleton, 32 



Epiblast, 6, 151 



Epicrium : external gills, 251 ; eggs, 316 



Epidermis, 16 



Epididymis, 327 



Epiglottis, 255 



Epiphyses of vertebra?, 46 



Epiphysis cerebri, 132, 142 



Epipubis, 93, 98, 117 



Epithelium, 1 : pigment of retina, 183 ; of 

 alimentary canal, 237 ; germinal, 299 



Erinaceus, teeth, 217 



Erythrina, air-bladder, 251 



Ethmonasal septum, 58 



Eustachian aperture, 73 



Eustachian tube, 198 



Exoskeleton, 3033 



Extra-branchials, 63, 74 



Eye, 181 194 : glands in connection 



with, 192 ; muscles of, 191 

 Eyelids, 191 



F. 



Fallopian tube, 302, 322 



Fat-bodies, 294, 317 



Feathers, 20 



Femur, 102 



Fenestra : rotunda, 80, 205 ; ovalis, 70, 



80, 198, 205 ; vestibuli cartilaginei, 197 

 Fertilisation of ovum, 3 

 Fibres, 1 : connective-tissue, 16 ; nerve, 



129 



Fibula, 104 

 Fibulare, 104 

 Filum terminale, 131 

 Fimbriae of Fallopian tube, 322 

 Fin-rays, 85, 99 

 Fins, 85 

 Food-yolk, 5 

 Foramen cordifonne, 95 

 Foramen ovale (of heart), 287 

 Foramen Panizzae, 285 

 Fulcrum of retina, 190 

 Furcula, 90 



G. 



Gall-bladder, 242 



Ganglia of sensory nerves, 151 



Ganglion, ciliary, 156 



Gartner's duct, 301, 322 



Gastrula, 6 



Generative cells, development of, 299, 300 



Generative organs, 310 327 



Germinal epithelium, 299 



Germinal membranes, 5 



Germinal spot, 2 



Germinal vesicle, 2 



Gill-arches, 5961, 6366, 68, 74, 80, 84 



Gill-clefts, 54, 159, 198, 245 



Gill-cover, 65 



Gills, 245, 251 



Gills, external, 246, 251 



Gills, spiracular, 250 



Giraffe, horns of, 83 



Gizzard, 233 



Glands : Bowman's, 177 ; of Bartholini, 

 330 ; ceruminous, 26 ; cervical, of Cha- 

 mois, 27 ; of claspers, 327 ; Cowper's, 330 ; 

 digestive, 239; femoral, 20; genital, 310 

 320, 325327 ; Harderiau, 193 ; hibern- 

 ating, 294 ; integumentary, 1820, 23 

 28 ; intermaxillary or internasal, 193 ; 



