78 U.S. NATIONAL MUSEUM BULLETIN 239 



Conch., p. 81. Syntype USNM 5900, smaller than figured type; 



2 syntypes MCZ 169147 ex NYSM 346, original no. G 2195. 

 fluctuosa, Melania Plate 35, fig. 8 



1847, PBSNH, vol. 2, p. 219 (Newville, [Province of] Tavoy 



[Burma], Mrs. Vinton), long. %, lat. % in.; 1862, Otia Conch., p. 200. 



Measured holotype MCZ 169136 ex NYSM 65, original no. G 2581. 

 fluctuosa f Myadora Plate 26, fig. 2 



1861, PBSNH, vol. 8, p. 23 (Kagos[h]ima Bay [Japan], W. Stimp- 

 son), long. 8, alt. 7, lat. 3 mm.; 1862, Otia Conch., p. 161. Half 

 measured holotype USNM 1313. NPEE. 



fluctuosa, Venus [Tapes]: 1841, Invert. Massachusetts, p. 87, fig. 50 

 ([Grand] Banks fisheries [off Nova Scotia]), long. % , alt. % , lat. 

 %o in.; mentioned as being in Massachusetts State Cabinet 193 and 

 BSNH 2333, but both specimens lost; 1862, Otia Conch., p. 181; 

 1870, Invert. Massachusetts, p. 136, fig. 447 [genus changed to 

 Tapes]. Gould had three specimens of this species. 



foliacea, Unio Plate 33, fig. 3 



1843, PBSNH, vol. 1, p. 141 ([Tavoy,] British Burmah [Burma], 

 F. Mason), long. 1%, lat. %, alt. */ 10 in.; 1862, Otia Conch., p. 191. 

 Half possible measured holotype, here selected, lectotype USNM 

 84161 ex I. Lea coll. from Gould; 3 paratypes USNM 611827 from 

 same lot. 



foliolatus, Arion: 1851, in A. Binney, Terr. Moll. U.S., vol. 2, 

 p. 30, pi. 66, fig. 2 (Discovery Harbor, Puget Sound [Washington], 

 Pickering), length 3K in.; 1852, USEE, vol. 12, p. 20, pi. 1, fig. 

 2,a-b; 1862, Otia Conch., p. 223. 



fornicata, Helix: 1846, PBSNH, vol. 2, p. 172 (Kauai, Sandwich 

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

 50; 1856, ibid., Addenda and Corrigenda, p. 501: "The shell which 

 was described as H. jornicata has been unfortunately mislaid, and 

 the figure numbered 64, where it was to have been placed, represents 

 H. tongana Quoy with its animal"; 1862, Otia Conch., pp. 21, 

 243. 8 ideotypes MCZ 169148 ex NYSM 288, original no. A 766. 



fossata, Natica [Neverita]: 1847, PBSNH, vol. 2, p. 263 (Florida 

 Coast), lat. 1%, alt. 1% in.; 1862, Otia Conch., p. 202. 



fossatum, Buccinum [Nassa] [Caesia]: 1850, PBSNH, vol. 3, 

 p. 152 (Puget Sound and mouth of Columbia River [Washington]), 

 long. 1%, lat. 1 in.; 1852, USEE, vol. 12, p. 254, pi. 19, fig. 321,a 

 (. . . and at San Diego, California); 1862, Otia Conch., pp. 67, 

 245. Figured holotype USNM 5718. 



fossatum, Triton [(Monoplex)]: 1860, PBSNH, vol. 7, p. 329 (Hong 

 Kong [China], W. Stimpson), axis 35, diam. 30, apert. 20 mm.; 



1862, Otia Conch., p. 126. NPEE. 



