626 



INDEX 



num, 40, 436, 487 ; obtura- 

 tor, 503 ; of Monro, 160, 531 



Foramina for cerebral nerves, 

 see Skull 



Fore-brain, 202, 589 



Fore-gut, 371 



Fore-limb or fin, see Appen- 

 dages 



Fornix, 531 



Fossa ovalis, 521 



Fossils, 223 



FROG : Preliminary account, 4 ; 

 mouth-cavity, 16 ; skin and 

 muscles, 17, 31 ; abdomen and 

 its contents, 20, 32 ; neural 

 cavity and its contents, 27, 

 33 ; structure of limbs, 28, 

 34; skeleton, 35, 53; joints, 

 55, 64 ; muscles, 57, 64 ; 

 enteric canal and digestion, 

 67, 76 ; vascular system, 

 78, 98 ; circulation of blood, 

 89, 103 ; lymphatic system, 

 97, 98 ; simple tissues, 104, 

 121 ; compound tissues and 

 glands, 126, 139 ; lungs and 

 larynx, 141, 152; kidneys, 

 145, 153 ; structure and func- 

 tions of nervous system, 154, 

 175; sense-organs, 179, 191; 

 reproductive organs, 193, 210 ; 

 fertilisation of eggs, 9, 197 ; 

 development, 9, 198, 212, 214, 

 575. 5 Sl J metamorphosis, n, 

 206, 212 ; classification, 215 ; 

 side dissection, 481 ; summary 

 of characters, 482 



Function, see Physiology 



Gall-bladder, 20, 68, 447, 516 



Callus, see Bird 



Gamete, 197, 250, 268, 275, 286, 



287, 566, 573 

 Gametocyte, 286, 287, 348, 356, 



566 

 Gametogenesis, 566 



Gamobium, 321 



Ganglion, 163, 167 ; and see 

 Nerve-ganglia 



Gastric glands, see Gland 



Gastric juice, 71, 74, 132 



Gastric mill, 372 



Gastrocnemius, 59 



Gastrolith, 373 



Gastrula, 577, 582 



Gemmation, see Budding 



Generation, alternation of, see 

 Alternation of generations 



Generation, asexual, see Aga- 

 mobium 



Generation, sexual, see Gamo- 

 bium 



Generative organs, see Repro- 

 ductive organs 



Genus, 215, 218 



Germ-cells, see Sex-cells 



Germ-plasm, 573 



Germinal disc, 575, 582 



Germinal epithelium, 194, 196, 

 345, 383, -5.66 



Germinal vesicle and spots, 565 



Gestation, 542 



Giant-fibres, 343 



Gill-arches and clefts, see Bran- 

 chial apertures, arches, clefts 

 and septa 



Gill-cover, 361, 374 



Gill-rays, see Branchial rays 



Gills : Tadpole, 9, 204, 207 ; 

 Crayfish, 374 ; Mussel, 398, 

 401 ; Dogfish, 448, 470 



Gizzard : Earthworm, 335 ; Cray- 

 fish, 370 



Gland-cells : Hydra, 303, 305 ; 

 Earthworm, 335 ; and see 

 Glands and Goblet-cells 



Glands : Cowper's, 539 ; cu- 

 taneous, 129, 484 ; digestive, 

 see Enteric canal ; ductless, 

 447; gastric, 131, 447, 514; 

 green, 375 ; Harderian, 186, 

 535 ; lacrymal, 535 ; mam- 

 mary, 483, 486, 506 ; Mei- 

 bomian, 535 ; cesophageal, 

 335 ; perineal, 486, 540 ; pros- 

 tate, 539; racemose, 133; 



