INDEX 427 



Covert feathers : Pigeon, 387 



Coxa : CockroacTi, 158 



Coxopodite, see Appendage 



Cranium : Dog-fiih, 201 ; BabUt, 267-271 ; Fonl, 364-369 



Cbaypish, 124-161; external characters, 126-128 ; appendages, 128-133 ; gills, 133-136 ; 

 circulatory system, 137-140 ; reproductive system, 140-141 ; digestive 

 system, 141-144 ; excretory system, 144 ; nervous system, 145-146 ; 

 sense-organs, 146-150 ; injected specimen, 150-151 



Cribriform plate : Babbit, 271 



Cricoid cartilage : RaXbtt, 333, 339 



Crop ; Leech, 41-42 ; Earthworm, 61 ; Snail, 114 ; Cockroach, 161 ; Pigeon, 393 



Crura cerebri : BatWt, 344, 351, 363 



Cutaneous blood-vessels : Leech, 43 



Cuticle : Paramecium, 4 ; Vorticella, 10 ; Liver-jivke, 26, 34 ; Leech, 51 ; Ea.rthv}orm, 67, 

 70 ; Umsel, see Shell ; SmM, see Shell ; Crayfish, 125 ; Cockroach, 162 



Dactylopodite, see Appendage 



Dart-sac ; Snail, 117 



Deutary bone : Fowl, 373 



Permis : Leech, 61-52 ; Earthworm, 72 ; Amphioxus, 182 



Development : Liver-fiuke, 31-36 ; Mussel, 76, 96 ; Crayfish, 125 ; Dog-fish, 194, 233-234 ; 



BabUt, 896 ; Bird, 384 

 Diaphragm : BabUt, 304, 311 



Digestive system : Uver-fiuke, 26-28 ; Bedia, 34 ; Cercaria, 35 ; Leech, 40-42, 53 ; Earth- 

 worm, 60-61, 72 ; Mussel, 94-96 ; Snail, 113-116 ; Crayfish, 141- 

 144; CociraocA, 159-163 ; Amphioxus,m-ni; Dog-fish, ili-ilj ; 

 BabUt, 305-310 ; Pigeon, 391-397 

 Digit : BalUt, 290, 294 ; Fowl, 378, 382 

 Disc : Vorticella, 8 

 Distomum, see Liver-fluke 



DoG-riSH, 194-256 : external characters, 196-198 ; skeleton, 198-212 ; abdominal 



viscera, 213-214; digestive system, 214-217; respiratory system, 217- 



219 ; circulatory system, 219-233 ; excretory and reproductive systems, 



233-239 ; nervous system, 239-262 ; sense-organs, 252-256 



Duct, bile : Mussel, 95 ; Snail, 115 ; Crayfish, 141 ; Dog-fish, 216 ; Babbit, 307 ; Pigeon, 396 



common genital : SnaU, 116 



hermaphrodite : Snail, 116 



lacrymal : BabUt, 273 



mesonephrio : Dog-fish, 234, 236, 237 ; BabUt, 324 ; Pigeon, 408 



metanephric : Dog-fish, 234, 236, 238 ; Babbit, 325 ; Pigeon, 408 



Mtillerian : Dog-fish, 234, 239 



of salivary receptacles ; Cockroach, 162 



ovarian : JAver-fivke, 30 



pancreatic : Dog-fish, 216 ; BabUt, 306 ; Pigeon, 396-397 



pronephric : Dog-fish, 234, 239 ; BabUt, 324 ; Pigeon, 408 



salivary: SnaU, 116 ; Cockroach, 161, 162-163 ; BabUt, 302-303 



segmental ; Dog-fish, 234 



Stenson's : RaJMt, 302 



vitellarian : Liver-fiuke, 30 



Wharton's : BaiUt, 303 



WoUaan : Dog-fish, 234, 236, 237 

 Ductus arteriosus : Babbit, 314 

 Ductus ejaculatorius : Liver-fiuke, 29 ; Cockroach, 166 

 Duodenum : BabUt, 304, 305-306 ; Pigeon, 393, 395 

 Dura mater : Babbit, 341 



Ear, see Auditory Organ 



Earthworm, 66-74 : external characters, 56-58 ; digestive system, 60-61 ; circulatory 



system, 61-62 ; excretory system, 63-64 ; reproductive system, 6J-69 ; 



nervous system, 69-70 ; transverse sections, 70-74 

 Earthworm, species of, 56 

 Eodysis : Crayfish, 125 ; Cockroach, 162 

 Ectoderm : Hydra, 16, 17-19, 22, 23, 24 



Ectosarc : Amceba, 2 ; Paramecium, 4 ; Opalina, 7 ; Vorticella, 9 

 Egg, see Ovum 

 Elytra : Cockroach, 154 



Embryo : Liver-fluke, 32 ; Mussel, 76, 96 ; Crayfish, 126 ; RabWt, 295 

 Encystment : Vorticella, 11 

 Endoderm : Hydra, 17, 19, 23, 24 



