48 



INDEX OF SPECIES. 



Diala 



luaiuillata, ^j, P 412. 

 , martuorea, 99, 143. 



paupercula, 259 

 Dioue 



affliiis, O 305. 



alteniala, 363. 



auraiitia, O 246, O 305, P 56 



P63. 

 aurantiaca, 282. 

 biradiata, O 232, 305, P VI. 

 brevispina, 57. 

 brevispinata, 57, 281, P 69. 

 brevispinosa, 247, O 305, 



358, P 69. 

 cbione, 366, P VI., P 63, P 



65. 

 chionaea, 226, 232, 234, 



O 246, 282, 305, 352, 



366,PVI,P63, P64,P65, 



P70. 

 cbionaea, var. 364. 

 circinata, 58, ^32, O 247, O 



305, 363, P 69. 

 concinna, 247, O 305, P 69. 

 cousaiiguinea, 305. 

 dioiie, 232, 364. 

 elegans, P VI. 

 exspinata, 58. 

 lepida, 234. 

 lupiuaria, 57, 232, O 246, O 



265, O 297, 305, 358, O 



O 364, P 67. 

 maculata, 57, 364, P 65. 

 miiltispiuosa, 57. 

 Dobilis, 57. 

 pannosa, 58, 211. 

 prora, 58. 



. var. 210. 



puella, 21. 



rosea, 232, 234, O 246, O 



305, P 66. 

 Bemilamellosa, 57, 58. 

 squalida, 305, P VI., P 64. 

 tortuosa, O 305. 

 uuicolor, jS, 305. 



Dlone 



Veneris, 57, P 67. 

 vulnerata, O 246, 305, P 68. 

 Diplodonta 



calculus, 106,0 308. 



circularis, 366. 



obliqua, 224, 248, O 308, 



P 103, P 534- 

 orbella, 12, 22, 26, 113, 129,0 



197, 232, 308, O 349, 



O 351, 352, U 202, V 218. 

 semiaspera, 30, 154, O 197, 



O 224, O 229, 248, 297, 



30S, 363, 366, P 102. 



var. 227, U 202. 



semiaspera, var. discrepans, 



O 248, P 103. 

 serricata, 248, P 104. 

 subquadrata, 106, 2S7, 308, 



Q 230. 

 trigonula, P 103. 

 iindata, P 103. 

 Discina 



Cumingii, 37, 105, 155, 194,205, 



266, 244, O 298, 366, P 7. 

 Evan^ i, 55, 102, 29S, O 349. 

 striata, 366. 

 strigata, 54. 

 Discopora 



tris-pinosa, P 3. 

 Discus 



Vancoaverensis, 157. 

 Dispotaea 



Byronensis, 10. 

 dentata, 3, P 2S7. 

 spiuosa, O 239, P 546. 

 striata, Q 234. 

 Distortio 



anus, O 171. 

 coiistrictus, 182. 

 Ditrupa 



gad us, X 413. 

 Dolium 



crassilabre, O 238, P 543. 

 dentatum, 8, 238, P 543. 

 latilabre, 238. 



