Conide, 32. 
Conovulus, 19. 
bidentatus, 19. 
denticulatus, 19. 
Conulus, ix. 
fulvus, i IX.5. "Be 
‘ Corallinia, xv. 
Corbula, xxxi., 89. 
gibba, 89. 
var. rosea, 89. 
Crenella, xxix., 70. 
costulata, 70. 
discors, 70. 
marmorata, 69. 
rhombea, 70. 
Cryptomphalus, x., 12. 
aspersa, 12. 
Cultellus, xxxi. 
pellucidus, 91. 
Cuneus, 87. 
reticulatus, 87. 
Cuspidaria, xxxii. 
Cuspidariide, xxvi., xxviii. 
XXX. 
Cyamium. 
minutum, 75. 
Cyclas. 
cornea, 71, 
Cyclostoma, xix. 
elegans, 48. 
Cyclostrema, xxii., 59. 
cancellatum, xxii. 
Cutlerianam, 59. 
serpuloides, 59. 
Cyclostrematide, xxii., 59. 
Cylichna, xii. 
cylindracea, 28. 
truncata, 28. 
Cypreide, xvi., 37. 
Cyprea. 
europea, 37. 
var. minor, 37, 
pediculus, 37. 
Cyprina, xxx., xxxii., 76. 
islandica, 76. 
Cyprinida, xxvii. 
Cyrenide, xxvii., xxix., 71. 
100 
D. 
Decapoda, vii. 1. 
Delphinuloidea, xxii. 
Dentaliide, xxv., 63. 
Dentalium, xxv., 63. 
abyssorum, xxv. 
elephantinum, xxv. 
entalis, xxv., 
striolatum, XXV. 
trachea, 39. 
Tarentinum, 63. . 
vulgare, xxv., 63, 
Diaphana. | 
minuta, xii. 
Dibranchia, xxviii. 
Dibranchiata, vii., 1. 
Diplodonta, xxx., 75. 
rotundata, 75. 
Ditremata, xi., 19. 
Docoglossa, 60. 
Donacida, xxvii., xxx., 76. 
Donax, xxx., 76. 
anatinus, 76. 
politus, 77. 
trunculus, 76. 
vittatus, 76. 
Donovania, xiv., 34. 
Mmnuna, X1V~. 
minuta, 34. 
Doridide, 27. 
Doris, 27. 
tuberculata, 27. 
Dosinia, xxxi., 85. 
exoleta, 85, 
lincta, 85. 
Dreissensiide, xxvii., xxix. 
Dreissensia, xxix. 
E. 
Eledone, vii. 
cin" 7 OS, Xi. 
Ematginula, xxiil., 60. 
fissura, xxiii., 60 
reticulata, 60. 
rosea, xxili., 60. 
Eoplachophora, XXiv., 62, 
