132 U.S. NATIONAL MUSEUM BULLETIN 23 9 



procumbens, Helix: 1843, PBSNH, vol. 1, p. 139 ([Tavoy,] British 

 Burinah [Burma], F. Mason), diam. %, alt. % in.; 1844, BJNH, 

 vol. 4, p. 453, pi. 24, fig. 1; 1862, Otia Conch., p. 189: "Said to be 

 Helix delibrata Benson." Figured holotype MCZ 169311 ex 

 NYSM 232, original no. A 567; paratype USNM 611226 from same 

 NYSM lot; 2 paratypes MCZ 87935 ex BSNH. 



productum, Triton: 1852, USEE, vol. 12, p. 240 (Sandwich [Hawai- 

 ian] to Feejee [Fiji] Islands, and thence to the Moluccas). 



profugus, Unio: 1850, PBSNH, vol. 3, p. 295 (Hunter's Kiver, New 

 South Wales [Australia]), long. 2%, lat. %, alt. \}{ in.; 1852, USEE, 

 vol. 12, p. 429, pi. 38, fig. 543,a,b; 1862, Otia Conch., p. 88. Half 

 figured holotype USNM 5928, refigured by McMichael and Hiscock, 

 1958, Australian Journ. of Marine and Freshwater Research, vol. 

 9, p. 421, pi. 7, figs. 1, 2. 



prolatus, Bulimus [Orthalicus]: 1846, PBSNH, vol. 2, p. 191, 

 (Santiago, Chile, J. P. Couthouy), long. 1%, lat. 1 in.; 1852,USEE, 

 vol. 12, p. 74, pi. 6, fig. 79,a; 1862, Otia Conch., pp. 3, 244. 3 

 syn types USNM 20310. 



prolixa, Terebra: 1860, PBSNH, vol. 7, p. 330 (off China Coast, 

 in 23 fathoms, sandy, W. Stimpson), axis 33, diam. 8 mm.; 1862, 

 Otia Conch., p. 127. NPEE. 



prostrata, Streptaxis Plate 41, fig. 4 



1856, PBSNH, vol. 6, p. 12 (Cape Palmas [Liberia] and at Rock- 

 bookay, twenty miles in the interior, under dead leaves, G. A. 

 Perkins), long. %, alt. % in.; 1862 Otia Conch., p. 220. Lectotype, 

 here selected, MCZ 169312 ex NYSM 228, original no. A 1862; 

 6 paratypes MCZ 169313, and paratype USNM 611246 from same 

 NYSM lot. 



protea, Amnicola: 1855, PBSNH, vol. 5, p. 129 (Colorado Desert, 

 "Gran Jornada" [Imperial Co., Calif.], T. H. Webb and W. P. Blake), 

 long, (exempli maximi) 0.3, lat. 0.1 in.; 1855, in Blake, Appendix, 

 Prel. Geol. Rep. R.R. Route to Pacific, p. 24; 1856, in Williamson, 

 Rep. Explor. California for R.R. Routes, vol. 5, pt. 2, appendix, 

 art. 3, p. 332, pi. 11, figs. 6-9; 1862, Otia Conch., p. 217. 7 syn- 

 types USNM 121074 ex I. Lea coll. from W. P. Blake. 



protracta, Cylichna Plate 7, fig. 3 



1859, PBSNH, vol. 7, p. 140 (coast of China, W. Stimpson), axis 

 12, diam. 5 mm.; 1862, Otia Conch., p. 113. Lectotype, here 

 selected, USNM 1864, figured by Yen, 1944, Proc. California 

 Acad. Sci., ser. 4, vol. 23, p. 579, pi. 51, fig. 37. The original label 

 is marked "? Type" but this was the only specimen located. 

 NPEE. 



