INDEX OP SPECIES. 



n 



Melania 



Largillierti, 265. 

 ' maxima, 286. 

 Menkeana, 163. 

 Newberryi, 120, 163. 

 nigrina, 51, 120, 163. 

 occata, 120,0 206, 211,0 325. 

 plicata, 211, O 325. 

 plicifera, 18, 84, 92, 116, 163, 



210, 213, 325. 

 polygonata, 286. 

 rudens, 92. 

 seuiinalis, 120. 

 Scipio, 51. 



Shastaensis, 120, 163. 

 Shortaensis, 84. 

 silicula, 84, 92, 163, 209, 



0325- 



siliqua, 209. 

 striata, 6, 162. 

 subnodosa, 265. 

 Wahlamatensis, 163, 211, 



0325- 



Wavderiana, 163. 

 Melaraphe 



fast-iata, P 351. 



phasianella, 31, 37, 192. 

 Meleagrina 



fimbriata, O 296, P 550. 



Mazatlanica, P 149, P 151. 

 Melongena 



occidentalls, 35. 

 Membranipora 



calpensis, P 2. 



denticulata, O 243, 298, P I. 



Flemingii, 34, 256. 



gothica, 243, 298, P 2. 



Lacroixii, P 2. 



Rozieri, P 2. 



Savartii, P 2. 

 Menetus 



opercularis, 161. 

 Mercenaria 



Ducatellii, 77. 



orientalis, 69. 



perlaminosa, 77. 



Mercenaria 



Stimpsoni, 69, 73. 

 Meretrbc 



Californiana, 75 

 Dariena, 77. 

 impudica, P 70. 

 petichialis, P 70. 

 Poulsoni, 75. 

 Tularena, 75. 

 uniomeris, 75. 

 Uvasana, 75. 

 Mesalia 



lac tea, 89, 141. 



lacteola, 89, 93, 141, 166, 169. 

 subplanata, 89, 141. 

 tenuisculpta, 98, 141. 

 Mesembrinus 

 excelsus, 158. 

 inscendens, 158. 

 pallidior, 158. 

 Mesodesma 



rubrotinctum, 78. 

 Mesodon 



Columbianus, 157. 

 devius, 157. 

 Meta 



cedonulli, 53. 

 coniformis, 53. 

 Dupontiae, 53. 

 ovuloides, 53. 

 Metula 



Hindsii, 342. 

 Miltha 



Children!, 106. 

 Mioceras 



cornubovis, X 439, X 443. 

 cornucopias, X 429, X 439, X 



440, X 443. 



nitidum, X 438, X 443. 

 Miodon 



orbicularis, 236. 



prolongatus, 97, 113, 128, 168, 



236. 

 Miralda 



lac n n at a, 33, P 414. 

 quinquecincta, 33, P 414. 



