101 wlis 
21:0547 Melanella (Balcis) grippi. Newport, Cal. 
21:0509 Melanella micans (Cpr. 1864 sub Eulima). 
21:0516 Melanella oldroydi Bartsch. San Pedro, Cal. 
21:0536 Melanella (Balcis) peninsularis. Baja Cal. 
21:0512 Melanella rutila (Cpr. 1864 sub Eulima). 
21:0541 Melanella (Balcis)thersites (Cpr. 1864 sub Eulima). 
21:1435 Mesalia californica Dall. 
21:1436 Mesalia subplanata Cp. 
207 Mesalia tenuisculpta Cpr 
573 Métaxia diadema 
21:1437 Metis alta (Cons. sub Lutricola). 3217. 
21:0101 Milmeria kelseyi Dall. 
$21 Milneria minima Dall 
1158 Miodon prolongatus Carpenter. 
27385 Miralda Californica 
21:1438 Miralda notabilis C. B. Ad. 
2553 Mitra Idze Melville. 
2337 Mitra lowei Dall. 
21:1101 Mitra maura, of Cal. lists, is M. idae. 
21:0724 Genus Mitromorpha A. Adams. 
21:0727 Mitromorpha aspera Cpr. 432. 
21:0725 Mitromorpha filosa Cpr., 1863, sub ? Daphnella. 179. 
21:1102 Modelia striata Gabb, is Lacuna solidula. 
127 Modiola capax 
2696 Modiolus Diegensis 
2344 Modiolus opifex Say. 
2455 Modiola polita Verrill. 
$24 Modiola recta Conr | Piglets Wher AE Metis 
2404 Monia macroschisma Desh, 
1280 Mopalia ciliata Sowerby. 
1561 Mopalia ciliata Hindsii Sby. 
21:1439 Mopalia hindsti Rev. var. 
2894 Mopalia muscosa Gould. 
21:1108 Mouretia reticulata Sby., is Gadinia r. 
21:1440 Mumiola cincta Cpr. 
21:1441 Mumiola turricula DeFolin. 
21:1110 Murex belcheri Fds., igs Trophon b. 
21:1111 Murex californicus Hds., is trialatus. 
1400 Murex (Pteropurpura) Carpenteri Dall. 
21:1442 Murex incisus Brod. (is M. gemma). 
2530 Murex (Phyllonotus) santarosana 
140 Murex trialatus Sby 
142 Muricidea barbarensis Gabb 
21:1115 Muricidea californica Hds., is Murex trialatus, 
931 Mnuricidea foveolata Hinds. 
21:1117 Mya californica Conr., is Cryptomya c. 
21:1118 Mya cancellatus Conv.. is Platyodon c. 
21:1120 Mysia—see Diplodonta. 
361 Mytilimeria nuttalli Conrad 
126 ©6Mytilus Californianus 
222 Mytilus edulis Linne 
21:1122 Mvtilus pedroanus Conr., is edulis. 
1949 Mytilus Stearnsi 
21:1123 Myurella simplex Cpr., is Terebra s. 
21:1124 Nacella depicta Hds.; insessa Hds.; instabilis Gld.; pa- 
leacea Gld.; all proved species of Acmaea, of same names. 
21:1129 Natica algida G!d., is Polinices lewisii. 
