700 
INDEX ALPHABETIQUE. 
CYLINDRELLA teres, 1 , .3i8, Say. 
— tomacella, T, . 3 ^ 12 . 
— tonjuata, I, 425. 
— Iricolor, I, 3g6, 424. 
— Trinitaria , I, 898 . 
— truncata, I, 892 . 
— Tryoni, I, 33 1 . 
— turris, I, 821 , 345. 
— variegata, I, 4 o 2 . 
— zebriua, I, 425. 
CYLINDRELLIDÆ, I, 395. 
CvLiNnuus Garaccasensis . I, 599 . 
Gvpræa exanlliema, II, 33 1 . 
Gyprina , II, 622 , 628 . 
CYRENA, Lamarck, II, 622 , 624 , 
G 25 , 629, 631, 632, 644, 
645, 677 , 682 , 683. 
- — aequilateralis, II, 687 . 
— altilis, II, 634. 
Dædalochila , I, 218. 
— acutedeiitala, I, 288 . 
— Ariaduæ, I. 287 . 
— Ariadne, I, 287 . 
— Belirii, I, 276 . 
— Hiudsi, I, 27 . 3 . 
— implicata, I, 288 . 
— Loisa, I, 289 . 
— Mooreaua, I, 275 . 
— Texasiana, I, 279 . 
— ventrosula, I, 274 . 
DELPHINONAIAS, Grosse et Fi- 
scher, II, 555, 557, 683. 
Dentellaria, i, i 52 . 
DeTRACIA , II, 2 2 . 
Diana, II, 274. 
Dianisotis, II, 54 o. 
DiAPllORA, I, 896 . 
CYRENA anomala, II, 63o. 
— Garoliniana, II, 63o, 63i. 
— Geylanica, II, 63o. 
— colorata, II, 643. 
— cordata, E. vou Martens, II, 
639. 
— Guliensis, II, 63 1 . 
— cypriuoides, II, 63o, 63 1 . 
— Floridaua, II, 63 1 , 638, 643. 
— Fontaiuei, II, 634. 
— fragilis, II, 638. 
— germana, T. Prime, II, 639. 
— maritima, II, 63 1 . 
— Mexicana, llroderip et Sowerby, 
II, 629 , 634, 637, 677 , 
678 . 
— Nicaraguana, T. Prime, II, 
640, 678 , 675 . 
— olivacea, Garpenter, II, 634, 
677 , 678 . 
— radiata, II, 64 1 . 
— salmacida, A. Morelet, II, 642, 
672 . 
— solida, II, 463, 64o. 
D 
Dimorpiioptychia, II, 874 , 876 . 
DI0ÏQUES, II, 109. 
Diplasma, II, 54o. 
DIPLOMMATINA Huttoni, II, 21 4. 
— Stolli, E. vou Martens, II, 213. 
DIPNEUSTA, II, 109, 218 , 298 . 
Dipsas, II, 607 , 5ii, 55o. 
DISCONAIAS, Grosse et Fischer, II, 
556, 557. 
DISCUS, Alhers (voyez Helix), I, 
222, 237. 
— coactiliatus, I, 2 . 34 . 
— coarctiliatus, 1, 2 34. 
Discus, Haldeman, II, 76 . 
DITREMATA, I, 699. 
CYRENA triangula, Vou dem 
Busch, II, 635, 677 . 
— triangularis, II, 636. 
— varians, II, 638. 
— violacea, II, 63 0 . 
Gyrenastrum. II, 65 o. 
CYRENIDÆ, II, 4g5, 622 . 
Gyreninæ, II, 628 . 
CYRENOCAPSA, P. Fischer, II, 
6.3o , 63 1 , 638, 642. 
CYRTONAIAS, Grosse et Fischer, II, 
556, 584. 
CYRTOTOMA, Morch, II, 127 . 128, 
133. 
— Mexicauum, II, i3o, i33. 
Gytiierea , 11, 622. 
Doryssa, II, 3o8, 3io, 3i3, 3i4, 
821 , 822 , 828 , 827 , 371 . 
— rubida, II, 871 . 
Dosinia, II, 644. 
Dostia, II, 471. 
Dreissexa, II, 496. 
— Sallei, II, 5o4. 
Dreissenadæ, II, 496. 
Dreissenia, II, 498. 
Dreissenidæ, II, 496. 
Dreissenomya, II, 496. 
Dreissensa, II, 498. 
DREISSENSIA, P. J. van Benedeu 
(emend. ), II, 274 , 497, 499, 
502. 
