38 U.S. NATIONAL MUSEUM BULLETIN" 23 9 



aduncum, Cerithium: 1849, PBSNH, vol. 3, p. 119 (Mindanao 

 [Philippine Islands], long. 1, lat. % in.; 1852, USEE, vol. 12, p. 147, 

 pi. 10, fig. 167, a,b; 1856, ibid., Addenda and Corrigenda, p. 502; 

 1862, Otia Conch., pp. 61, 245. Figured Holotype USNM 5567. 



adancus, Ancylus: 1847, PBSNH, vol. 2, p. 210 (mountain streams, 

 Madeira), long. %, lat. % 0} alt. )U in.; 1852, USEE, vol. 12, p. 125, 

 pi. 32, fig. 495,a-c; 1862 Otia Conch., p. 41. Figured holotype 

 USNM 5885; paratype MCZ 169037 ex NYSM 312, original no. 

 G 2577. 



adusta, Achatina [Carelia]: 1845, PBSNH, vol. 2, p. 26 (Sandwich 

 [Hawaiian] Islands), long. 1%, lat. % in.; Otia Conch., p. 194. Listed 

 by Jay, 1852, Catalogue of Shells in the Jay Collection, p. 214: 

 "Achatinella adusta Gould, Sandwich Islands is Achatinella bicolor 

 Jay." No types found in NYSM collection or in Jay collection at 

 Amer. Mus. Nat. Hist., New York. 



aeruginosa, Helix Plate 36, fig. 7 



1855, PBSNH, vol. 5, p. 127 (San Francisco, California, Dr. Bige- 

 low), diam. 1%, axis % to % in.; 1862, Otia Conch., p. 215. 



Not Pfeiffer, 1854 [1855] changed Helix arrosa 'Gould/ W. G. 

 Binney, 1858, Proc. Acad. Nat. Sci. Philadelphia 1857, p. 185. 

 Lectotype, here selected, MCZ 169046 ex NYSM 231, original no. 

 A 5370; 2 paratypes MCZ 169047 ex NYSM 231 and 241, orig- 

 inal nos. A 5370, A 5347, and paratype USNM 611270 from same 

 NYSM lots; paratype USNM 8558. 



Aesopus, new genus: 1860, PBSNH, vol. 7, p. 383; 1862, Otia Conch., 

 p. 138: "The form and aspect of the shell, and the structure of the 

 animal indicate its place to be intermediate between Mitra and 

 Columbella." Type species: Aesopus japonicus Gould by monotypy. 

 NPEE. 



aestuosa, Neptunea: 1860, PBSNH, vol. 7, p. 326 (Kagos[h]ima 

 [Japan], W. Stimpson), axis 45, diam. 25 mm.; 1862, Otia Conch., 

 p. 123. NPEE. 



Agadina, new genus: 1852, USEE, vol. 12, p. 486; 1862, Otia Conch., 

 p. 234. Type species: Limacina (?) cucullata Gould by monotypy. 



albicincta, Mangelia: 1860, PBSNH, vol. 7, p. 340 (Loo Choo Seas 

 [off Ryukyu Islands], W. Stimpson), axis 4, diam. 2 mm.; 1862, 

 Otia Conch., p. 137. NPEE. 



albonodosa Carpenter, Cerithidea: 1856 [1857], in Gould and Car- 

 penter, Proc. Zool. Soc. London, p. 205. See Palmer, 1958, Geol. 

 Soc. Amer. Mem. 76, p. 175. 



albula, Margarita: 1861, PBSNH, vol. 8, p. 15 (Arctic Seas, W. 

 Stimpson), axis 5, diam. 8 mm. ; 1862, Otia Conch., p. 154. NPEE. 



algida, Natica [Lunatia]: 1848, PBSNH, vol. 3, p. 73 (Rio Negro 

 [Argentina]), long. %, lat. % in.; 1852, USEE, vol 12, p. 214, pi. 15, 



