INDEX OP SPECIES. 



n 



Melania 



Largillierti, 265. 

 maxima, 286. 

 Menkeana, 163. 

 Newberryi, I20, 163. 

 nigrina, 51, 120, 163. 

 occata, 120, 206,0 211, 325. 

 plicata, 211, 325. 

 pliuifera, 18, 84, 92, 116, 163, 



210, 213, O 325. 

 polygonata, 286. 

 rudens, 92. 

 setninalis, 120. 

 Scipio, 51. 



Shastaensis, 120, 163. 

 Shortaensis, 84. 

 silicula, 84, 92, 163, 209, 



O325. 

 siliqna, 209. 

 striata, 6, 162. 

 subnodosa, 265. 

 Walilamateusis, 163, 211, 



0325. 

 Waideriana, 163. 

 Melaraphe 



fasL-iata, P 351. 

 phasiaiiella, 31, 37, 192. 

 Meleagrina 



fimbi-iata, 296, P 550. 



Mazatlauioa, P 149, P 151. 

 Melongena 



occideutalis, 35. 

 Membranipora 



calpensis, P 2. 



dentioulata, 243, 298, P i. 



Flemingii, 34, 256. 



gothioa, 243, 298, P 2. 



Lacroixii, P 2. 



Rozieri, P 2. 



Savartii, P 2. 

 Menetus 



opercularis, l6i, 

 Mercenaria 



Duoatellii, 77. 



orientalis, 69. 



peilaminosa, 77. 



Mercenaria 



Stimpsoni, 69, 73. • 

 Meretriz 



Californiana, 75. 



Dariena, 77. 



impudica, P 70. 



pstiohialis, P 70. 



Poulsoni, 75. 



Tularena, 75- 



uniomeris, 75. 



Uvasana, 75- 

 Mesalia 



laotea, 89, 141. 



laoteola, 89, 93, 141, 166, 169. 



subplanata, 89, 141. 



teiniisculpta, 98, 141. 

 Mesembrinus 



excelsiis, 158. 



insceiidens, 158. 



pallidior, 158. 

 Mesodesma 



lubrotiTiotum, 78. 

 Mesodon 



Columbianus, I57« 



devius, 157. 

 Meta 



cedonulli, 53. 



coniformis, 53- 



Dupontise, 53. 



ovnioides, 53. 

 Metula 



Hindsii, 342. 

 Miltha 



Cbildreni, 106. 

 Mioceras 



corniibovis, X 439, X 443. 



coinucopise, X 429, X 439, X 

 440, X 443. 



nitidum, X 438, X 443. 

 Miodon 



orbicularis, 236. 



prolongatus, 97, 113, 128, 168, 

 236. 

 Miralda 



lacunata, 33, P 414. 



quinqueciiicta, 33, P 414. 



