502 



INDEX. 



Corolla, 460, 476 



Corpora adiposa, 40, 54 



Corpus callosum, 26, 10 1 



Corpuscula, 466 



Cortex, 462, 465, 472 



Cortical layer, Chara, 430, 432 



Cothurnia, 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, 240—271 



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, 



45i 



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, Amceba, 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 



