502 



INDEX. 



Corolla, 460, 476 



Corpora adiposa, 40, 54 



Corpus callosum, 26, 101 



Corpuscula, 466 



Cortex, 462, 465, 472 



Cortical layer, Chara, 430, 432 



Cothnrnia, 368 



Cotyledon, 461, 480 



Coxopodite, 195 



Cranium, 63 



CRAYFISH, 173 239 



Cricoid, 21,51 



Crop, Earthworm, 241, 254; 

 Snail, 274, 284 



Crystalline cone, 185, 233, 234, 

 lens, 117; Snail, 300, develop- 

 ment of, in Frog, 172 



Crystals, Amoeba, 372, Hydra, 353 



Cutaneous glands, 34, 146, 148; 

 Earthworm, 243, 265 



Cuticle, Crayfish, 189 ; Earth- 

 worm, 241, 251 ; Hydra, 352, 

 353 ; Vorticella, 360, 364 



Cuticularized cell-wall, 401, 407 



Cyclas, 331 



Cylinder, central vascular, 446, 

 448, 456, 462, 465, 471, 472 



D. 



DACTYLOPODITE, 196 



Dart, 277, 292 ; sac, 291, 292 



Dentary, 62 



Dermis, 146, 147 



Development, Crayfish, 187, 235 ; 



Earthworm, 247 ; Frog, 5, 157; 



Hydra, 344 ; Lobster, 238 ; 



Mussel, 312, 340; Snail, 278, 



302 



Diaphragm, 43 

 Dicotyledons, 464 

 Digestion, Amoeba, 371 : Cray- 

 fish, 179 ; Earthworm, 242 ; 



Hydra, 343, 357 

 Digestive gland, Crayfish, 179, 



207, 209, 215; Earthworm, 242 ; 



Mussel, 311, 320; Snail, 285; 



development of, 303 

 Digitate gland, 292 

 Disc, 364 



Ductus arteriosus, 89; Botalli, 89 

 Duodenum, 45, 46 

 Dura Mater, 96 



E. 



EAR (see Auditory organ) 



EARTHWORM, 240271 



Ecdysis, 189 



Ectoderm, 236, 303; Hydra, 344; 

 histology of, 351, 352, 353 



Ectoplasm, 124 



Ectosarc, Amoeba, 370, 374 ; Vor- 

 ticella, 360, 364 



Efferent branchial vessels, Cray- 

 fish, 222 ; Mussel, 327 



Egg-apparatus, 479 



Egg-capsule, 235 



Elodea, 442 



Embryo, Bean, 461, 480; Fern, 



451 



Embryo-cells, 5, 158 



Embryonic layers, 165 



Embryo-sac, 461, 466, 478 



Encephalon, (see Brain) 



Encystment, Amoeba, 369 ; Vorti- 

 cella, 363 



Endoderm, 236, 303; Hydra, 344 

 histology of, 351, 352, 353, 355 



Endolymph, 33 



Endophragmal system, 189, 201 



Endoplasm, 124 



Endoplast (see Nucleus) 



Endopleurite, 194 



Endopodite, 177, 193, 239 



Endosarc, Amoeba, 370, 374; 

 Vorticella, 360, 364 



Endoskeleton, Frog, 11,55; Snail, 

 274 



Endosperm, 466, 479 



Endosternite, 194 



Endotergite, 194 



Epiblast, 166, 187 



Epidermis, Bean, 462, 473 ; Earth- 

 worm, 245, 265; blood plexus 

 of, 245; Fern, 445, 447, 453; 

 Frog, 121, 146 



Epiglottis, 49 



Epimeron, 192, 194 



