112 U.S. NATIONAL MUSEUM BULLETIN 239 



morosus, Bulimus [Charis]: 1846, PBSNH, vol. 2, p. 190 (Feejee 

 [Fiji] Islands), long. 1%, lat. 1 in.; 1852, USEE, vol. 12, p. 72, pi. 6, 

 fig. 82,a; 1862, Otia Conch., p. 31, 244. Syntype USNM 20256, 

 slightly smaller than figured type; 3 syn types MCZ 26088 ex 

 Smithsonian Inst, (printed label). 



morrhuana 'Linsley' Gould, Cythera: 1848, Silliman's Amer. Journ. 

 Sci., ser. 2, vol. 6, p. 233 (Connecticut): ". . . seems to be quite a 

 young and small specimen of C. convexa Say" (Gould). 



mucidus, Bulimus: 1850, PBSNH, vol. 3, p. 194 (interior of Liberia, 

 G. A. Perkins), axis 1%, lat. % in.; 1862, Otia Conch, p. 207. 



mucronatus, Melampus: 1852, USEE, vol. 12, p. 204, pi. 14, fig. 

 242, a-b (Raraka Island, Pauomoto [Tuamotu] Islands), long. % , 

 lat. Ko in.; not in 1862, Otia Conch. Figured holotype, USNM 

 5641; 3 paratypes MCZ 216814 ex Smithsonian Inst, (printed label). 

 Gould claims that this species was originally described, in 1849, 

 PBSNH, vol. 3, but it was not done. 



multicolor, Helicina: 1847, PBSNH, vol. 2, p. 202 (Tongataboo, 

 [Tonga Islands]), lat. % , alt. Xo in.; 1852, USEE, vol. 12, p. 100, 

 pi. 7, fig. 110,a-c (Tahiti and Eimeo [Moorea, Society Islands], 

 J. P. Couthouy); 1862, Otia Conch., p. 36. Figured holotype 

 USNM 5512; paratype MCZ 216797 ex Smithsonian Inst, (printed 

 label). 



munda, Cleodora [(Creseis)]: 1852, USEE, vol. 12, p. 489, pi. 51, 

 fig. 607, a-b (found in the equatorial Atlantic and figured by 

 Mr. Dana), long. % in.; 1862, Otia Conch., p. 235. 



munda, Mesodesma [Paphia]: 1850, PBSNH, vol. 3, p. 217 (Mangsi 

 Island [Strait of Balabac]), long. %, alt. %, lat. % in.; 1852, USEE, 

 vol. 12, p. 400, pi. 35, fig. 511, a-b [as mundum]; 1862, Otia Conch., 

 pp. 77, 245. Figured holotype USNM 5898; half paratype MCZ 

 169248 ex NYSM 355, original no. G 2156. 



mundum, Triton: 1849, PBSNH, vol. 3, p. 143 (Tutuilla, Samoa 

 Islands), long. %, lat. % in.; 1856, USEE, vol. 12, Addenda and 

 Corrigenda, p. 506, pi. 17, fig. 297,a-b; 1862, Otia Conch., p. 66. 

 Lectotype, here selected, USNM 5695, fig. 297; paratype USNM 

 612311, fig. 297a-b; paratype MCZ 169249 ex NYSM 5, original 

 no. A 427. 



muscaria, Atys Plate 12, fig. 8 



1859, PBSNH, vol. 7, p. 138 (China Seas, W. Stimpson), axis 4, 

 diam. 2 mm.; 1862, Otia Conch., p. 111. Lectotype, here selected, 

 USNM 334 (though labeled "?type"), figured by Yen, 1944, Proc. 

 California Acad. Sci., ser. 4, vol. 23, p. 578, pi. 51, figs. 40, 41. 

 NPEE. 



