542 



INDEX 



Crayfish, 212-229 



Crickets, 240 



Crinoidea, 174-177 



Crocodilia, 432, 437, 439: 



Crop, of Bird, 472, 484 



Crolalus, 442 



Crustacea, 212-236 : Example, 212 



et seq. 



Cryptomonas, 37 

 Ctenoid scales, 396 

 Ctenophora, 125-128 

 Cucumaria plane i, 173 

 Cuticle, 34, 67, 95, 194, 212 

 Cuttle-fish, 296, 297 

 Cuvier, 5 

 Cyclidiuni, 49 

 Cyclops, 234 

 Cyclostomi, 359-364 

 Cynipida, 248 

 Cyprtta moneta, 289 

 Cystic duct, of Rabbit, 502 

 Cysticercus, 143 

 Cystoflagellata, 40 



D 



ALLINGERIA, 37 



Darwin, Charles, his doctrine of 



descent, or organic evolution, 9 

 Dasypodida;, 527 

 Dasyure, 523 

 Daughter-cysts, 143 

 Dead men's fingers, 118 

 Deer, 519, 531 

 Dendrocometes, 51 

 Dendrophyllia nigrescans, 124 

 Dendrosoma, 51, 52 

 Dermis, 67 



Deutomerite, of Gregarina, 58 

 Development, or Embryology, 4 

 Diaphragm, 347, 499 

 Diastema, 500 

 Dibranchiata, 300 et seq. 

 Dictyocysta, 53 

 Didelphyidce, 522 

 Difflugfa, 19, 20 

 Digestive system of Metazoa, 68 



Dimorpha, 37 

 Dinobryon, 37 

 Dinoflagellata, 38, 40 

 Dioecious, 99 

 Diomedea, 485 

 Diophrys, 49 

 Diphmita, 37 

 Dipnoi, 402-404 

 Diptera, 243 et seq. 

 Dipus, 535 

 Discorbina, 25 



DlSTOMUM HEPATICUM, 129-136 



Distribution, n 



Dogfish, 327 et seq. , 365 et seq. 



Dogs, 519 



Dolphins, 519, 530 



Doris, 291 



Doris (Archidoris) tubenulata 289 



Draco, 450 



Dntcttncufas medinensis, 156 



Dragon-flies, 239 



Duck-bill, 518, 520 



Duct, 65 



Ductus, Cuvieri, 376 



Dugong, 519 



_L,ar, Dogfish, 356: Frog, 423 ; 

 Reptiles, 448 ; Bird, 477 : Rab- 

 bit, 512 



Echidna, 521 



Echinodermata, 157-177 



Echinoidea, 170-172 



Ectoderm, 79 



Ectoprocta, 184 



Edentata, 519, 525 



Elasmobranchii, 365-391 



Electric fishes, 397 



Elephants, 519, 533 



Embryology, 4 



Encystation, 30 



Endoderm, 79 



Endophragmal system, 215 



Endopodite, 215 



Endoprocta, 184 



Endoskeleton, 67 



