INDEX. 



339 



Diphyodonts, 213 

 Discosaurus, dermal skeleton, 32 

 Diverticulum ctecnm, 234 

 Down -feathers, 22 



Duck : caudal vertebra, 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 Botalli, 284 



cochlearis, 199, 204 

 Cuvieri, 271 



endolymphaticus, 202, 205 

 ejaculatorius, 327 

 perilymphaticus, 205 

 thyreoglossus, 225 

 sacculo-utricularis, 177, 199 

 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 cxterna 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 - f eggs, 316 

 Epidermis, 16 

 Epididymis, 327 

 Epiglottis, 255 

 Epiphyses of vertebrae, 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 



Eustachiaii tube, 198 



Exoskeletou, 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 terminal e, 131 

 Fimbrire of Fallopian tube, 322 

 Fin-rays, 85, 99 

 Fins, 85 

 Food-yolk, 5 

 Foramen cordiforme, 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 ; Harderian, 193 ; hibern- 

 ating, 294 ; integumentary, 18 20, 23 

 28 ; intermaxillary or internasal, 193 ; 



