INDEX. 



503 



Epiostracum, 203, 333 



Epiphragm (see Hybernaculum) 



Epipodite, 177, 183, 221 



Epistylis, 368 



Epithelium, 124 



Etirotium, 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, ii ; Mussel, 331, 335; 

 Snail, 274, 281; histology of, 

 Crayfish, 202; Mussel, 333 



External characters, Crayfish, 173, 

 190; Earthworm, 240, 248; 

 Frog, i, 6, 35; 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, 460481. 



Follicular epithelium, Crayfish, 



220, Frog, 155 

 Fontanelles, 1263 

 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, 101 

 Foramina for exit of cranial nerves, 



66 



Fourth ventricle, 100 

 Fragmentation of nucleus, 437 

 FRESHWATER POLYPES, 342 358 

 FROG, i 172 

 Fronto-parietal, 60 

 Fungi, 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 ; subcesophageal, Crayfish, 

 184, 228; supra cesophageal, 

 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- 



