INDEX. 
Cunner, anatomy of, 484 
Curlew, 545 
Cuttle-fish, 253 
gigantic, 261 
Cyamus ceti, 291 
Cyanea arctica, 67 
Cyclocardia novanglie, 229 
Cyclops, 267 
Cyclostomata, 381 
Cyclostomi, 409 
Cymothoa, 288 
Cynthia pyriformis, 392 
Cyphonautes, 145 
Cypreea moneta, 249 
Cyprinus, 453 
Cypris, 279 
Cysticercus cellulose, 114 
Cystid, 189 
Cystides, 190, 191 
Cytode, 6 
Dace, 458 
Dactylogyrus 
111 
fallax, 111 
Daphnia, 279 
Darter, 456 
Dasypus novem-cinctus, 580 
Date shell, 230 
Decapoda, 292, 305 
Cephalopoda, 260 
Deer, 608 
Deltocyathus Agassizii, 80 
Dendroceela, 103 
Dendrocelum lacteum, 99, 102 
percecum, 100 
Dendreeca virens, 555 
Dentalium; 237 
Desmosticha, 208 
Devil-tish, 424 
Diatryma, 540 
Dibranchiata, 260, 264 
Dicyema, 97 ; 
Dicyemella, 98 
amphibothrium, 
705 
Dicynodon, 512 
tigriceps, 512 
Didelphia, 571, 628 
Didelphys Virginiana, 575 
Didus ineptus, 547 
| Diemyctylus viridescens, 481 
Differentiation, 6 
Digestion, organs of, 631 
Digestive canal, 9 
Dimorphism, 654 
Dingo, 617 
Dinichthys Torrelli, 481 
Dinornis giganteus, 588 
Dinosauria, 515, 517 
Dinotherium, 599 
Diomedea exulans, 542 
Diplopoda, 336 
Diploria cerebriformis, 80 
Diplozoon paradoxum, 110 
Dipnoi, 425, 426. 462 
Diptera, 355, 366 
Discina, 151 
Discophora, 62, 72 
Dispersal of animals, 660 
Distomum crassum, 109 
development of, 105 
heterophyes, 109 
lanceolatum, 109 
macrostomuim, 110 
ophthalmobium, 109 
Distribution, geographical, 658 
Dodo, 547 
Dog-fish, 420 
. shark, 420 
Dog, varieties of, 617 
Doliolum, 398, 404 
Dolphin, 455 
Doris, 245 
Dorosoma cepedianum, 443. 
Dove, 547 
Drum-fish, 443 
Duck, black, 543 
canvas-back, 543 
eider, 548 
