88 U.S. NATIONAL MUSEUM BULLETIN 239 



hexagonum, Dentalium Plate 22, fig. 4 



1859, PBSNH, vol. 7, p. 166 (Hong Kong [China], in shelly mud), 

 long. 55 [45], diam. 4 mm.; 1862, Otia Conch., p. 119. Holotype 

 USNM 2053; paratype MCZ 169184 ex NYSM 146, original no. 

 G 2406. NPEE. 



hirsutus, Planorbis Plate 44, fig. 6 



1839, Silliman's Amer. Journ. Sci., ser. 1, vol. 38, p. 196 (Dor- 

 chester, Dedham, Cambridge [Massachusetts]), lat. % , alt. Ko in.; 

 1841, Invert. Massachusetts, p. 206, fig. 135 (first found in Mans- 

 field, Massachusetts by C. B. Adams, several localities in Dor- 

 chester, Dedham, and Cambridge); mentioned as being in 

 Massachusetts State Cabinet no. 82 and BSNH 1278; 1862, Otia 

 Conch., p. 180; 1870, Invert. Massachusetts, p. 493, fig. 744. 

 Lectotype, here selected, MCZ 216629 ex BSNH 997, original no. 

 1278, 15 paratypes MCZ 225221 from same BSNH lot; 6 paratypes 

 MCZ 216616 ex Massachusetts State coll. 



histrica, Paludina Plate 43, fig. 5 



1859, PBSNH, vol. 7, p. 41 (ditches in paddy field, Ousima [Amami- 

 O-shima, Ryukyu Islands] and Loo Choo [Okinawa, Ryukyu 

 Islands], W. Stimpson), dimens. 1 x % V/\ x Ko in.; 1862, Otia 

 Conch., p. 106. Lectotype, here selected, USNM 1151, presumably 

 from former locality; paratype USNM 611836 from same lot. 

 NPEE. 



honesta, Helix Plate 38, fig. 4 



1846, PBSNH, vol. 2, p. 99, (Tavoy, British Burmah [Burma], 

 F. Mason), diam. % , alt. }{ in.; 1862, Otia Conch., p. 198. Lecto- 

 type, here selected, MCZ 169185 ex NYSM 287, original no. A 578; 

 3 paratypes MCZ 169186 and paratype USNM 611222 from same 

 NYSM lot; 2 paratypes MCZ 216822 ex BSNH 4369 from Gould. 



horda, Anodon[td\: 1855, PBSNH, vol. 5, p. 229 (Comanche Creek, 

 Texas, T. H. Webb), long. 3ft lat IK, alt. 1% in.; 1862, Otia Conch., 

 p. 218. Lectotype, here selected, British Museum (Natural 

 History) [not cataloged], figured by Sowerby, 1867, in Reeve, 

 Conchologia Iconica, vol. 17, Anodon, pi. 18, fig. 66, as Anodon 

 hordeum. This specimen undoubtedly was sent to H. Cuming 

 by Gould. 



housatonica 'Linsley' Gould, Anodonta: 1848, Silliman's Amer. 

 Journ. Sci., ser. 2, vol. 6, p. 234 (Connecticut), length Z%, lat. 

 iy 2 , alt. 2 in. 



humerosa, Melania: 1847, PBSNH, vol. 2, p. 219 (Manko [near 

 Newville, Province of] Tavoy [Burma], Mrs. Vinton), long. 1%, 

 lat. y 2 in.; 1862, Otia Conch., p. 200. 



