322 



INDEX 



Efferent branchial system. See Efierent bran- 

 chial artery 



Egg. See Ova 



Egg capsule ("Mermaid's purse"), 162 



Elasmobranchii or Selachii, 316 



Elbow-joint, 304 



Elytra or tegmina or wing-covers, 74 



Embryo, 48, 52 



Endoderm, 14, 16, 28, 30, 34 ; cells, 30, 34 



Endolymph, 186 



Endolymphatic duct. See Duct 



Endophragmal skeleton, 102 



Endoplasm, 2, 8, 10 



Endopodite, 98, 102 



Endosarc, 2, 8 



Endostyle, 144, 148 



Enteric or digestive cavity of Hydra, 28 



Epibranchial groove, 144, 148 



Epicoracoids, 194 



Epicranium of cockroach, 78 



Epidermis, 60, 70, 148 



Epididymis, 70, 162 ; caput and cauda, 288 



Epimeron, 92 



Epipharyngeal or epibranchial groove, 144, 148 



Epiphysis of vertebra, 260, 298, 312 



Epiphysis. See Pineal body 



Epipodite, 94, 98, 102 



Epistemum, 194, 252 



EpitheUal cells, 148 



Epithelium, 16, 18, 56, 60, 144 



" Euglenoid " movement, 12 



Eustachian apertures, 190, 238 



Eutheria, 316 



Excretory canal, 50, 52 ; cell, 40 ; pore, 40 



Excretory system : Liver-fluke, 40 ; tape-worm, 

 50 ; earth-worm, 62 ; leech, 68 ; cockroach, 82 ; 

 mussel, 134. See also Urino-genital system 



Exhalent openings or oscula, 14, 18, 20 ; siphon, 

 128, 134, 138 



Ex-occipital, 224, 226, 262, 292 



Exopodite, 96, 98, 102 



Exoskeleton, 106 



Extrastapedial plate or cartilage, 224, 226 



Eye muscles. See Muscles 



Eyelid, 188, 236 



Eyes, 64, 74, 78, 88, 114, 148, 152, 154, 188, 236, 

 266 



Fallopian tube, 290 



Fasciola, syn. Distoma, 40-44, 316. See Liver- 

 fluke 



Fatty body, 82. See also Corpora adiposa 



Feathers : Aftershaft, 236 ; ala spuria, 236 ; 

 contour, 236 ; coverts, 236 ; primary, 236 ; 

 secondary, 236, 252 ; tail, 236 ; wing, 236 



Femur or thigh bone, 82, 220, 256, 310, 312 



Fenestras, 80 



FibrillsB, contractile, 316 



Fibula, 256, 310 



Fin, caudal, 142, 152, 154 ; dorsal, 142, 144, 

 148, 152; pectoral, 152, 154, 164; pelvic, 

 152, 154; ventral or anal, 142, 144, 152; 

 radials, 166 ; rays, 144, 148, 166 ; skeleton, 166 



Fishes (Pisces), 316 



Flagella, 30 



Flagellate cells, 34 



Flagellates, symbiotic, 32 



Flagellum, 16, 120 



Flame cell, 40 



Flocculi, 264 



Flukes. See Trematoda 



Fontanelles, 154, 240 



"Foot": Hydra, 28; snail, 114; mussel, 126, 

 134; 316 



Foot. See Pes 



Foramen, ilio-sciatic, 256 ; inter-vertebral, 

 220 ; ischiatic, 256 ; magnum, 262, 292 ; 

 obturator, 256, 310 ; occipital, 78 ; optic, 

 294 : pneumatic, 252 ; supra-trochlear, 306 ; 

 triosseum, 238, 252 ; vertebra-arterial, 300 



Fore-arm. See Fore-limb 



Fore-brain (Cerebrum or prosencephalon), 1 76, 1 78 



Fore-gut or stomodseum, 36, 82, 104, 144, 316 



Fore-limb, 188, 218, 220, 236, 252, 254, 266, 304, 

 306 



Fresh- water Polyp. iSee Hydra 



Frog (Eana), 188-234; external features, 188; 

 mouth cavity, 190 ; muscular system, 190, 

 198, 200 ; skeletal system, 194 ; girdles and 

 limbs, 218, 220 ; vertebral column, 220, 222 ; 

 skull, 222, 224, 226 ; alimentary system, 194, 

 196, 212 ; venous system, 192, 202, 204, 206 ; 

 arterial system, 208, 210 ; heart, 212 ; ner- 

 vous system, 202 ; brain, 226, 232 ; spinal 

 nerves, 228, 230 ; sympathetic, 230 ; cranial 

 nerves, 232 ; respiratory system, 212 ; urino- 

 genital system, 214, 216; 316 



Frontal bone, 262, 294 ; segment, 292 



Fronto-parietal, 222, 224, 226 



Furcula^or " merry -thought," 238, 250 



G 



Galea of cockroach, 80, 82 



Gall-bladder, 158, 194, 242, 270, 272 



Gamete, 10, 12 



Gametocyte, 10, 12 



Ganglia. See Nerve ganglia 



Ganglion, 68 



Gasserian ganglion, 232 



Gasteropoda, 316 



Gastral cavity, 16, 18, 20, 22 ; layer, 16 



Gastric mill. See Gizzard 



Gemmation. See Budding 



Gense or cheeks of cockroach, 78 



Genital aperture, 40, 50, 60, 64, 70, 92, 106, 114, 

 120, 136 ; atrium, 50 ; -cells, 16 ; outlet, 42 ; 

 organs, 38, 38, 88; papOla, 50 ; sinus, 162 



GUI-arches, 144 



GiU-cover. See Branchiostegite 



Gill -filaments, 132 



Gill-slits (Branchial or visceral clefts), 144, 146, 

 148, 152, 154 



Gills (Branchise or ctenidia) : Crayfish and 

 crawfish, 94 ; mussel, 132, 134 ; dogfish, 152, 

 154; 316 



Gizzard, 56, 82, 102, 104, 106, 242, 246 



Gland, albumen, 70, 116, 120 ; calciferous, 56 

 capsulogenous or spermaducal, 54, 56 ; carotid, 

 208, 210 ; cells of Hydra, 30 ; of sea-anemone 

 34, 36 ; Cowper's, 290 ; digestive, 104, 116 

 118, 134, 136, 138 ; green (nephridium), 90 

 102 ; hermaphrodite, 120 ; mammary, 266 

 268 ; mucous, 120 ; oviducal, 162 ; pedal or 

 slime, 114; pericardial (Keber's organ), 134 

 perineal, 266, 290 ; preen or oil, 238 ; pro 

 state, 290 ; rectal, 158, 290 ; salivary, 118, 278 

 shell, 162 ; slime, 188 ; spermaducal, 54, 

 56 ; sub-maxillary, 278 ; thymus, 240, 268 

 thyroid, 168, 244, 274 ; unicellular, 66 

 vitelline or yolk, 44, 50 



