160 U.S. NATIONAL MUSEUM BULLETIN 23 9 



tornatilis, Rissoina Plate 14, fig. 5 



1861, PBSNH, vol. 7, p. 401 (Loo Choo [Okinawa, Ryukyu Islands], 

 W. Stimpson), axis 5.5, diam. 2 mm.; 1862, Otia Conch., p. 146. 

 Lectotype, here selected, USNM 1036, labeled "? Type." NPEE. 



tornatus, Fusus [Neptunea] Plate 6, fig. 3 



1839, Silliman's Amer. Journ. Sci., ser. 1, vol. 38, p. 197 ([Grand] 

 Bank[s] Fisheries [off Nova Scotia], Col. Totten), long. 2%, lat. 2 in.; 

 1841, Invert. Massachusetts, p. 286, fig. 201. Mentioned as being 

 in Massachusetts State Cabinet 13 [specimen lost] and BSNH 

 2376; 1862, Otia Conch., p. 180; 1870, Invert. Massachusetts, p. 

 374, fig. 201. Lectotype, here selected, MCZ 216594 ex BSNH 

 2376. 



torquata, Chemnitzia: 1853, BJNH, vol. 6, p. 384, pi. 14, fig. 16 

 (Santa Barbara [California], E. Jewett), length %, breadth y 20 in.; 



1862, Otia Conch., p. 186. Figured holotype MCZ 169400 ex 

 NYSM 41, original no. A 3114. 



torrida, Achatina Plate 42, fig. 3 



1843, PBSNH, vol. 1, p. 158 (Cape Palmas, Liberia [ibid., p. 153], 

 Africa, Drs. Savage and Perkins), long. 3%, lat. V/ 2 in.; 1862, Otia 

 Conch., p. 192. Measured holotype MCZ 169446 ex NYSM 189, 

 original no. A 1107; 9 probable paratypes MCZ 39634 ex BSNH. 



torva, Perna: 1850, PBSNH, vol. 3, p. 311 (Sandwich [Hawaiian] 

 Islands), long. 1%, alt. 1%, lat. % in.; 1852, USEE, vol. 12, p. 445, 

 pi. 40, fig. 558,a-b; 1862, Otia Conch., p. 92. Figured holotype 

 USNM 5943, fig. 558 (exterior valve); half paratype USNM 612321. 



trachealis, Chemnitzia: 1861, PBSNH, vol. 7, p. 407 (Simon's Bay 

 [Cape of Good Hope], W. Stimpson), axis 5.7, diam. 1.7 mm.; 1862, 

 Otia Conch., p. 151. Holotype USNM 165 a, figured by Bartsch, 

 1915, USNM Bull. 91, p. 82, pi. 17, fig. 1. NPEE. 



trochlea, Helicina: 1847, PBSNH, vol. 2, p. 202 (Matea [Makatea 

 Island], Paumoto [Tuamotu] Islands, under stones, J. P. Couthouy), 

 lat. %, alt. %o in.; 1852, USEE, vol. 12, p. 99, pi. 7, fig. 109,a-c; 

 1862, Otia Conch., p. 36. 2 syntypes USNM 5511; 7 syntypes 

 MCZ 169401 ex NYSM 295, original no. A 1817; syntype MCZ 

 216579 ex Smithsonian Inst, (printed label). 



trochlearis, Rissoina Plate 15, fig. 1 



1861, PBSNH, vol. 7, p. 400 (China Seas, W. Stimpson), axis .16, 

 diam. .073 in.; 1862, Otia Conch., p. 144. Lectotype, here selected, 

 USNM 661, figured by Yen, 1944, Proc. California Acad. Sci., ser. 

 4, vol. 23, p. 567, pi. 50, figs. 38, 39. The figured type is much 

 larger than the original measurements, which appear to be typo- 

 graphical errors. 



troilus, Helix (Caracolla) [Trochomorpha]: 1846, PBSNH, vol. 2, 

 p. 176 (Samoa Islands, J. P. Couthouy), lat. %, alt. Ko in.; 1852, 



