152 U.S. NATIONAL MUSEUM BULLETIN 239 



labeled "Hakodadi, Japan"; 2 smaller paratypes USNM 24056; 

 4 paratypes MCZ 169381 ex NYSM 9 ; original no. G 2489. NPEE. 



spurca, Succinea Plate 43, fig. 8 



1850, PBSNH, vol. 3, p. 193 (Liberia, on the moist sides of water- 

 pits, and in crevices of trees, G. A. Perkins), long. % , lat. % Q in.; 

 1862, Otia Conch., p. 206. Lectotype, here selected, MCZ 169377 

 ex NYSM 180, original no. G 2650; 14 paratypes MCZ 169378 and 3 

 paratypes USNM 611248 from same NYSM lot. 



spurcus, Trochus [Gibbula]: 1849, PBSNH, vol. 3, p. 106 (Madeira 

 Islands, J. P. Couthouy), diam. %, alt. % in.; 1852, USEE, vol. 12, 

 p. 188, pi. 13, fig. 219,a-c; 1862, Otia Conch., p. 58. Figured 

 holotype USNM 5619. 



spuria, Monilea: 1861, PBSNH, vol. 8, p. 17 (Simon's Bay [Cape of 

 Good Hope], low water mark, under stones, W. Stimpson), diam. 5, 

 axis 4 mm.; 1862, Otia Conch., p. 155. Lectotype, here selected, 

 USNM 24269 a, figured by Bartsch, 1915, USNM Bull. 91, p. 146, 

 pi. 22, figs. 4-6; lot also contains two smaller paratypes; paratypes 

 in NYSM mentioned as lost, 1875, 27th Ann. Rep. NYSM, p. 49. 

 NPEE. 



squarrosa, Helix: 1859, PBSNH, vol. 6, p. 423 (Ousima [Amami- 

 O-shima, Ryukyu Islands], among stones on hillsides, W. Stimpson), 

 diam. %o, axis %o in., probably immature; 1862, Otia Conch., p. 102. 

 NPEE. 



stellula, Helix [Pitys] Plate 38, fig. 3 



1844, PBSNH, vol. 1, p. 174 (Sandwich [Hawaiian] Islands; also 

 found by USEE); 1852, USEE, vol. 12, p. 56, pi. 4, fig. 52+,a-c 

 (Maui, Sandwich [Hawaiian] Islands), diam. %, axis }{ 2 in. Only 3 or 4 

 specimens found; 1862, Otia Conch., pp. 194, 243. Lectotype, here 

 selected, MCZ 169383 ex NYSM 242, original no. A 768. 



sterna, Avicula: 1851, PBSNH, vol. 4, p. 93 (Mazatlan? [Mexico], 

 T. P. Green), hinge margin 2%, diam. of wing !}{, breadth % in. ; 1853, 

 BJNH, vol. 6, p. 404, pi. 16, fig. 7 (also Panama, C. B. Adams, E. 

 Jewett); 1862, Otia Conch., p. 214. Figured holotype MCZ 

 169380 ex NYSM 370, original no. A 2490 ex T. P. Green; paratype 

 MCZ 216831 ex C. B. Adams coll. 



stigmosum, Cerithium: 1861 PBSNH, vol. 7, p. 386 (Bonin 

 Islands, W. Stimpson), axis 7, diam. 2+ mm.; 1862, Otia Conch., 

 p. 141. NPEE. 



stimpsoni, Buccinum [Neptunea] Plate 11, fig. 1 



1860, PBSNH, vol. 7, p. 325 (Arikamcheche [Arakamchechen] Island, 

 Behring's [Bering] Straits, W. Stimpson; dredged in Arctic Ocean, 

 Capt. Rodgers), long. 100, diam. 45 mm.; 1862, Otia Conch., p. 122. 

 Figured by Dall, 1925, Proc. USNM, vol. 66, p. 6, pi. 7, fig. 2, but 



