6oS 



INDEX. 



Ctenocyst, 126. 



Ctenodiscus, 145. 



Ctenoid, scales of Fishes, 340. 



Ctenophora, 111 ; characters of, 124 ; 



houiologies of, 127; divisions of, 128; 



distribution of, 129. 

 Ctenophoral canals, 126, 127, 128. 

 Ctenophores, 125. 

 Cienostomata, 259, 265. 

 Cuckoo, 457. 

 Cuculidce, 457. 

 Cucullcea, 2S4. ' 

 Culex, 247. 

 Cultellus, 285. 

 Cultirostres, 448, 449. 

 Curlew, 450. 



Cursores, 443; characters of, 451. 

 Cuticle, of Amceba, 47; of Infusoria, 66; 



of Noctiluca, 72. 

 Cuttle-bone, 303, 306. 

 Cuttle-fishes, 299, 300, 301, 302, 304. 

 Cyamus, 212. 

 Cyanea, 103, 105. 

 Cyathaxonidce, 134. 

 Ci/athophyllidce, 134. 

 Cycladidce, 285. 

 Cyclas, 282, 285. 

 Cycloid, scales of Fishes, 340. 

 Cijclolabridce, 363. 

 Cyclophorus, 297. 

 Cyclophthalmus, 230. 

 Cyclopoidea, 193. 



Cyclops, 205. 

 Cyclo 



clostoma, 297. 

 Cyclostomata (Polyzoa), 265, 276 ; (Fishes), 



355. 



Cyclostomi (Fishes), 355. 

 Cyclostomidce (Gasteropoda), 294, 297. 

 Cydippe, 124. 

 Cygnidce, 447. 

 Cylichna, 29fi. 

 Cymothoa, 213. 

 Cynocephahis, 556. 

 Cynthia, 266. 

 Cyprcea, 294. 

 Cyprceidce, 291, 294. 

 Cyprina, 285. 



Cyprinidce (Mollusca) 285 ; (Fishes), 361. 

 Cypris, '205. 

 Cypselidce, 463. 

 Cyrena, 285. 

 Cyrtia, 274. 



Cyrtoceras, 310, 312, 314. 

 Cyrtolites, 313. 

 Cysticerci, 163. 



Cystic Worms, 159, 161, 162, 163. 

 Cystiphyilidce, 134. 

 Cystoidea, 138 ; general characters of, 



151 ; distribiition of, in time, 157. 

 Cytherea, 285. 



Dacelo, 463. 

 Dactylethra, 390. 

 Dakosaurus, 415. 

 Dama, 523. 

 Daphnia, 206. 

 Darwinian Theory, 38. 

 Dasypodidce, 498, 500. 

 Dasypus, 500. 

 Dasyurus, 497. 



Decapoda (Cnistacca'), 214 ; distribution 

 of, in time, 220; (Cephalopoda), 300,305. 



Decollated shells, 257. ' 



Deer, 518, 520, 522. 



Deinosauria (see Dinosauria). 



Deinotherium, 527, 530, 566. 



Delphinidce, 505, 510. 



Delphinula, 295. 



Delphinus, 510. 



Demodex, 226. 



Dendrocoela, 167. 



Dendrograpsus, 106, 108. 



Dendrolagus, 493. 



Dendrophyllia, 116. 



Dendrostyles, 104. 



Dental formula, 480. 



Dentalidce, 295. 



Dentalina, 53. 



Dentalium, 295; shell of, 289; position 

 of, 295. 



Dentirostres, 460, 461. 



Development, 33; retrograde, 34; of Gre- 

 garinidce, 45 ; of F ora mini f era, 52; of 

 Hydra, 81 ; of Corynida, 84 ; of Sertw- 

 larida, 87 ; of Calycophoridoe, 91 ; of 

 Physophoridce, 93 ; of Medusidce, 98 ; 

 of Lucernarida, 28, 101; of Actinidce, 

 113; of Pleurobrachia, 127; of Echino- 

 dermata, 136 ; of Asteroidea, 146 ; of 

 Comatula, 150 ; of Tceniada, 160 ; of 



, Trematoda, 164 ; of Nemertida, 167 ; 

 of Acanthocephala, 168; of Trichina, 

 170; of the Guinea- worm, 171; ofTubi- 

 colar Annelides, 184 ; of Errant Anne- 

 lides, 187 ; of Crustacea, 193 ; of i'pir 

 zoa, 199; of Cirripedia, 201; of Limu- 

 lus, 211 ; of Macrura, 217; of Brachy- 

 ura, 217; ofMyriapoda, 231; oflnsecta, 

 239 ; of Polyzoa, 265 ; of Brachiopoda, 

 273 ; of Tunicata, 268 ; of Lainelhbran- 

 chiata, 282 ; of Gasteropoda, 289 ; of 

 Amphibia, 381, 387, 389. , 



Dextral (Shells), 257. 



Dibranchiata (Cephalopoda}, 304 ; char- 

 acters of. 304; divisions of, 305 ; distri- 

 bution of, iu time, 315. 



Diceras, 284. 



Dicoryne, 84. 



Dicotyles, 517, 569. 



Dicranograpsus, 108. 



Dictyonema, 108. 



Dicynodon, 419. 



Dicynodontia, 419. 



Didelphia, 485. 491. 



Didelphidce, 496. 



Didelphys, 491, 496. 



Didunculus, 456. 



Didus, 456. 



Didym'Ograpsus, 1(8. 



Dimugia, 49. 



Digitigrada, 531, 536. 



Dimerosomata, 227 (see Araneida). 



Dimorphodon, 421. 



Dimyaria, 283. 



Dinornis, 470. 



Dinosauria, 421, 422, 469. 



Diomedea, 445. 



Diphydce, 92. 



Diphyes, 91. 



Diphijllidia, 296. 



Diphyozoiiids, 91. 



Diplacanthus, 378. 



Diplodonta, 285. 



Diplograpsus, 107, 108. 



