INDEX OF SPECIES 



47 



Cytherea 



semilamellosa, 6, 61, 246, P 

 67, P 68. 



solidissima, 196, 296. 



squalida, 201, 246, O 278, 

 366, P 64. 



subsulcata, 247, P 79. 



tigerina, P 96. 



tortuosa, 185, O 229, 247. 



undulata, 189, 246, P 59. 



unicolor, 185. 



vulnerata, 185, P 68. 



zonaria, P 70. 

 Cythna 



albida, 99, 143. 



asteriaphila, 104, 218. 



tumeiis, 143, 218. 



Dactylidea 



mutica, P 470. 

 Dactylina 



Campechensis, 121. 



Chiloensis, 121. 



dactylus, 39. 



laqueata, 23. 

 Dactylus 



incrassatus, P 464. 

 DEedalochila 



implicata, 294. 

 Daphnella 



aspera, 144, 314. 



effusa, 114, 144, 243. 



casta, 24, 109, 205, 332. 



crebriplicata, 109. 



filosa, 23, 144, 284. 

 Darina 



declivis, 93, 123, 251. 

 Defrancia 



bella, 230, 349. 



intercalaris, S 163. 



intricata, 97, 122, P 6, 244, 

 298. 



rana, P 399. 



rava, 259, 331, S 163, S 

 164. 



serrata, S 163. 



Dendronotus 



arboresceiis, 218, 313. 

 iris, 95- 

 Dendropoma 

 lituella, 42. 

 megamastum, 42. 

 Dentalium 



corrugatura, 251, 317, P 



189. 



dentalis, 222. 

 eburneutn, 134. 

 elepbantinum, P 314, X 419. 

 entalis, 46, 98, 134, 296. 

 glabrum, X 414, X 435, X 436. 



var. X 414. 



hexagonum, 46, 98, 134, 154. 

 hyalinum,3i, 134, 225,0251, 



317, P 188, P 536. 

 imperforatum, X 414, X 425, 



X436. 



incurvum, X 425. 

 var. Indianornm, 98, 134, 169. 

 lactenm, 31, 152. 

 liratuin, 46, 251, O 317, P 188. 

 minutum, X 413, X 435. 

 nebulosum, 175. 

 politum, O 223, 317. 

 pretiosum, 31, 46, 9 8 > I 34, 



251, 296, P 189. 

 pseudosexagonum, 46. 

 quadrangulare, 46. 

 rectius, 89, 134. 

 seinipolitum, 31, 98, 134, 152, 



175- 



spleudidum, 46. 



striolatum, 46. 



substtiatmn, 367. 



tessaragonum, 180, 317. 



tetragonum, 46, 152. 



trachea, X 414, X 423, X 425. 



t-ar. X 414. 



Diadora 



cmcibuliformis, 80. 

 Diala 



acuta, 99, 143. 



electrina, 104, 217. 



