1897.] 



NATURAL SCIENCES OF PHILADELPHIA. 



567 



Collichthys 77 



Oompressidens 472 



Columbite 437 



Concinnum 456 



Condylura 32, 223 



Congrus 61 



Conocardium 414 



Conodon 110 



Corbicula 409 



Corbnla 294, 295, 363 



Cosmoceras 456 



Cornus 186-188, 190 



Corundum 429, 437 



Corvina 76, 115 



Coryphasna 122, 133 



Crabro 387, 388 



Crassatella 295 



Crotaphytus 461 



Cryolite 437 



Cryptochiton 299-302 



Cryptotsenia 177 



Ctenosaura 461 



Culius 132 



Cyanite 438 



Cyathophyllum 449 



Cybium 72 



Cyclas 291, 292 



Cymbidium 184 



Cymbium 100 



Cynoglossus 88, 89 



Cynoscion 114 



Cypbaspis 414 



Cypbonyx 265 



Cyprsea . , 32S 



Cyprina 428 



Cyprinidae 57 



Cyprinus 57 



Cyrthia 449 



Dahlia . . . 201 



Dardania 361 



Dasyatidse 56, 93 



Dasyatis 56, 57, 93 



Decapterus 72, 100 



Dentalium .... 465-472, 474 



Dentex 76 



Desmine 437 



Diabasis 109 



Diacope 74 



Diamond 429 



Diapterus 113 



Didelpbis .... 24, 207, 311 

 Digitalis 193 



Diodon 130 



Diodontidse 130 



Diodontus 141 



Diorite ... .... ... 420 



Dipogon 241 



Disthene ... ... 429, 442 



Ditrupa 475 



Dorcelaphus ... 25, 208, 311 



Dormitator 132 



Dorosoma 62, 63 



Dorosomatidse 62 



Drepane 78 



Drepanidse 78 



Drymseus 22 



Du'les 106 



Eatoniella 360, 480 



Echeneididse 132 



Echeneis 132 



Edotea 391-403 



Eteolite 437 



Eleotris 84, 132 



Elephas 483 



Eleutheractis 107 



Elopidse 63, 94 



Elops 94 



Embolite 438 



Engraulididse 64, 95 



Engraulis 64, 65, 95 



Entomis 445, 447 



Ephippidse 123 



Epidote . . . 418, 435, 437, 442 

 Epinephelus ... 73, 104, 105 

 Episiphon . . . , . . . . 465 



Eques 116 



Equula 73 



Erethizon 210 



Eriphyla 295 



Ervthronium 161, 162 



Esocidse 69, 97 



Esox 94, 97, 98 



Essonite 442 



Estheria 427, 455 



Eucinostomus 113 



Euclase 438 



Eudotbyra 417 



Eunotia 144 



Euomphalus 445 



Eupomacentrus 116 



Entomis 426 



Evotomys . 27, 206, 211, 212, 214 



Feldspar 419 



Felis 32, 222 



