MOLLUSCA. ZOOPHYTES. 
207 
Cyclocotyles bellones, xii. 473 
Cymba, ( Sowerb .) 72 
Cymbium, (Montf.) 72 
what called, 308 
Cymbulia of P6ron, the, 19 
Cymopolia, (Lam.) 505 
Cyprsea, (L.) 70 
Cypricardia, (Lam.) 107 
Cyprina, (Lam.) 113 
Cyrena, (Lam.) 112 
Cyrtodaria, (Daud.) 120 
Cysticercus, (Rud.) 479 
Cystidicola, (Fisch. Monogr.) 461 
Cytherese, the, (Lam.) 116 
Cytherea lutea, 282 
Dactyl opora, 516 
Dagysa, (Gm.) 126 
Dail commun, 123 
Delphinula, (Lam.) 56 
Demarestia, (Lesueur) 51 
Dentalium entalis, 281 
Derostoma, 475 
Dianchora, (Sower.) 96 
Diazona, (Sav.) 130 
Dibothryorhyncus, (Blain.) 477 
Diceras, (Lam.) 110 
arietina, 110 
Didema, (Ranz.) 138 
Diphyes, ( Cuv .) 492 
Diphyllidia, (Cuv.) 42 
Brugmansii, 42 
Dipsada, (Leach) 106 
Discinae, the, (Lam.) 133 
Discosoma, (Rup.) 495 
nummiforme, 495 
Distichopora, 513 
Distoma, (Retz fy Zeder) 471 
Dolabella, (Lam.) 44 
Rumphii, 45 
Doliolum, (Otto) 487 
Mediterraneum, 487 
Dolium, (Lam.) 75 
maculatum, 280 
Donax, (Lin.) 112 
rugosa, 112 
Doridion Meckelii, 47 
Doridium, (Meek.) 47 
Doris, the genus, 349 
(Cuv.) 37 
affinis, 40 
Argo, 37 
atromarginata, 37 
lacera, 37 
obvelata, 37 
papillosa, 39 
peregrina, 40 
quadrilineata, 38 
Doris radiata, xii. 39 
verrucosa, 37 
Dynamenes, (Lamour.) 502 
Eburna, (Lam.) 74 
Echinanthus, (Klein.) 449 
Echini, locomotive apparatus of the, 542 
proper, (Lam.) 446 
Echinococcus, (Rud.) 480 
Echinocyamus, (Leske) 450 
Echinodermata, the, 437, 438 
supplement on the, 537 
apedicellata, 453 
Echinorhyncus, (Gm.) 469 
gigas, 470 
haeruca, 471 
Echinone, (Phelsum fy Leske) 447 
Echinostoma, (Rud.) 472 
Echinus, (Lin.) 445. 539 
altus, 449 
atratus, 447 
auritus, 448 
bicordatus, 449 
cyclostomus, 447 
decadactylus, 448 
depressus, 447 
esculentus, 446 
hexaporus, 448 
lucunter, 447 
locomotion of the, 543 
mamillatus, 446 
miliaris, 446 
nucleus, 450 
orbiculatus, 450 
orbiculus, 448 
ovatus, 449 
oviformis, 450 
purpureus, (Mull.) 450 
quadrifasciatus, 448 
quadriradiatus, 449 
rosaceus, 449 
sinuatus, 447 
spatangus, 450 
teres, 450 
tetraporus, 448 
vulgaris, 448 
Echion, (Poli) 97 
Echiurus, 456 
Egeria, (Roiss.) 113 
Electra, (Lamouroux) 503 
Eledon (Aristotle) 9 
Emarginula, (Lam.) 87 
Enallostega, 17 
Enchelis, (Mull.) 521 
Encrinites, the, 444 
Encrinus of Ellis, 539 
(Guett) 443 
asterias, 444 
