INDEX. 



503 



Epiostracum, 203, 333 



Epiphragm (see Hybernaculum) 



Epipodite, 177, 183, 221 



Epistylis, 368 



Epithelium, 124 ' 



Eurotiuniy 419 



Eustachian recess, 9, 48 



Excretory organ, Crayfish, 183; 

 Earthworm, 244; Frog (see 

 Kidney); Mussel (see Organ of 

 Bojanus); Snail, 275, 283; ori- 

 fice, Mussel, 323, 335 



Exoccipital, 60, 63, 65 



Exopodite, 177, 193, 238 



Exoskeleton, Crayfish, 173, 189, 

 191; Earthworm (see Cuticle); 

 Frog, 11; Mussel, 331. 335 5 

 Snail, 274, 281 ; histology of, 

 Crayfish, 202; Mussel, 333 



External characters, Crayfish, 173, 

 190; Earthworm, 240, 248; 

 Frog, I, 6, 35 J Hydra, 342, 

 348; Mussel, 305, 314; Snail, 

 272, 280 



Eye, Crayfish, 184, 233; Frog, 2, 

 36, 44, 112; Snail, 273, 299 



Eyelids, 2, 3, 36, 44, 112 



Eyespot, 304 



Eye-stalk (see Ophthalmite) 



F. 



Falciform ligament, 43, 44 

 Fat, 379 



Fat bodies (see Corpora adiposa) 

 Fenestra ovalis, 34, 65 

 Fermentation, Bacteria, 410; Mu- 



cor, 424; Yeast, 377, 382, 388 

 Fern, 443— 459 

 Fertilization, Bean, 480; Chara, 



Fern (see Impregnation) ; Frog, 



4; Mussel, 312; Snail, 277 

 Fibula, 72 

 Filament, 460, 477 

 Filum terminale, 30, 96 

 Flagellum (see Spermatophoral 



gland) 

 Flower, 460, 476 

 Flowering plant, 460 — 481. 



Follicular epithelium, Crayfish, 



220, Frog, 155 

 Fontanelles, 12—63 

 Food yolk, Crayfish and Frog, 187, 



235 

 Foot, Fern, 450, 459; Hydra, 348; 



histology of, 346; Mussel, 334; 



Snail, 273, 280; development 



of, 304 

 Foramen magnum, 59 ; of Munro, 



26, 100, lOI 

 Foramina for exit of cranial nerves. 



Fourth ventricle, 100 

 Fragmentation of nucleus, 437 

 Freshwater polypes, 342 — 358 

 Frog, i — 172 

 Fronto-parietal, 60 

 Fujigi, 382, 416 

 Funiculus, 479 



G. 



Gall bladder, 45, 47 



Ganglion, abdominal, 227; cere- 

 bral. Mussel, 330, 339; Gas- 

 serian, 28, 105; parieto-splanch- 

 nic. Mussel, 312, 329,338; Snail, 

 276, 297; pedal. Mussel, 312, 

 339; Snail, 276, 296; spinal, 

 102; suboesophageal. Crayfish, 

 184, 228; supra oesophageal, 

 Crayfish, 184, 227; Earthworm, 

 246, 262; Snail, 276, 296; 

 sympathetic, 107; thoracic, 228; 

 visceral, 331 



Gastrolith, 210 



Gastrula, 187, 236, 247, 278, 302 



Gemmation, 362, 380 



Genital cloaca, 276, 291 



Genital duct, Crayfish, 206; 250; 

 Frog, 40, 53; Mussel, 336; 

 Snail, 276 



Genital furrow, 281 



Genital gland. Crayfish, 206; Frog, 

 40, 42, 53; Mussel, 336; Snail, 

 276, 301 



Germinal epithelium, Frog, 155; 

 Earthworm, 270; spots, Cray- 



