INDEX. 



313 



Dioclus, Gabb. . 



III 



PAGE 



184 



Disoteka 



II 



PAGB 



319 



Dioecia, 



III 



345 



Dispotea, Say. . . 



II 



212 



Dione, Gray. . . 



III 



178 



Distichites, Mojs. . 



II 



68 



Diploconus, Zit. 



II 



46 



Distorsio, Bolten. . 



II 



124 



Diphj-llidia, Guv. 



II 



392 



Ditremaria, Desl. . 



II 



320 



Dipliytes, Schrot. 



III 



308 



Ditremaria, d'Orb. . 



II 



320 



Dipilidia, Math. . 



III 



206 



Ditremata. . . . 



II 



89 



Diploceras, Conr. 



. II 



52 



Ditretus, Piette. 



II 



248 



u u 



III 



347 



Ditropis, Blanf. . . 



II 



287 



Diploceras, Salter. 



. II 



52 



Ditypodon, Sandb. 



III 



184 



Diploconus, Zit. 



11 



46 



Divaricella, von Mart. 



III 



210 



Diplodon, Spix. . 



. Ill 



239 



Dolabella, Lamarck. 



II 



365 



Diplodonta, Brown 



. Ill 



216 



Dolabra, M'Coy. . 



III 



247 



Diplommatina, Ben 



s. II 



282 



Dolabrifera, Grube. 



II 



364 



U Ik 



III 



351 



Dolichotoma, Bell. . 



II 



183 



Diplomphalus, C. & 



F.III 



18 



Doliella, Monts. 



II 



237 



Diploporaa, Pfr. 



. II 



283 



Doliidse 



II 



202 



Diplopelycia, Mch. 



II 



390 



Doliopsis, Conr. 



II 



202 



Diploschiza, Conr. 



. Ill 



295 



Dolium, Lamarck. . 



II 



202 



Diplothyra, Tryon. 



III 



128 



Dolophanes, Gabb. 



II 



196 



Dipsacus, Klein. 



. II 



177 



Dombeya, d'Orb. . 



III 



104 



Dipsas, Leach. . 



. Ill 



241 



Donaciila, Gray. 



III 



162 



Diptychoceras, Gal 



)b. II 



85 



u a 



III 



168 



Dirinus, M'C. . 



. Ill 



352 



Donacina, Fer. . . 



III 



173 



Discartemon, Pfr. 



. Ill 



16 



Donacinse. . . . 



III 



172 



Dischides, Jeff. . 



. Ill 



115 



Donacopsis, Sandb. 



III 



184 



Discina, Lam. . 



. Ill 



337 



Donax, Linn. . . 



III 



172 



Discinidse, . . 



. Ill 



337 



Donovania, B.,D. & D 



III 



350 



Discites, De Haan. 



. II 



59 



Dontostoma, Klein. 



II 



294 



Discites, Sohl. . 



. Ill 



288 



Dorateuthis, Woodw. 



II 



33 



Discoceras, Barr. 



. II 



56 



Dorbignya, Woodw. 



III 



205 



Discoceras, Hyatt. 



. II 



75 



Dorcasia, Gray. . . 



III 



43 



Discodoraa, Swn. 



. Ill 



61 



Dorididse. . . . 



II 



369 



Discodoris, Bergh. 



. II 



373 



Doridopsidse. . . 



II 



375 



Discohelix, Adams 



. II 



220 



Doridopsis, Al. & He 



II 



375 



Discohelix, Dunkei 



. II 



220 



Doridium, Meckel. . 



II 



354 



Discosurus, Hall. 



. II 



52 



Doridunculus, Sars. 



II 



374 



Discula, Lowe. . 



. Ill 



39 



Doriopsella, Bergh. 



II 



375 



Disculus, Desh. . 



. II 



217 



Doriopsis, Pease. . 



II 



375 



Discus, Adams. . 



. Ill 



29 



Doriprismatica, d'Or 



II 



370 



Discus, Albers. . 



. Ill 



31 



u u 



II 



379 



Discus, Hald. 



. Ill 



107 



Doris, Linn. . . . 



II 



369 



Discus, Fitz. . . 



. Ill 



29 



Dorsanum , Gray. . 



II 



182 



Discopsis, Folin. 



. II 



300 



Dorsomya, Ryckholt 



III 



142 



Discoscaphites, Ml 



z. II 



84 



Doryssa, H. & A. Ac 



. II 



254 



Disjunctaria, Bcitts 



,er. II 



78 



Dosidicus, Steenst. 



II 



33 



