54 U.S. NATIONAL MUSEUM BULLETIN 239 



Chioraera, new genus: 1852, USEE, vol. 12, p. 309. Type species: 

 Chioraera leonina Gould, by monotypy; 1862, Otia Conch., p. 230. 



cholerica, Neritina: 1847, PBSNH, vol. 2, p. 237 (Feejee [Fiji] 

 Islands, Drayton), diam. % in.; 1852, USEE, vol. 12, p. 156, pi. 11, 

 fig. 187,a-b; 1862, Otia Conch., pp. 47, 244. Probable figured holo- 

 type USNM 5587; 7 paratypes MCZ 87925 ex BSNH 3663; 2 para- 

 types MCZ 216755 ex Smithsonian Inst, (printed label). 



chlorina, Calyptraea: 1846, PBSNH, vol. 2, p. 161 (Porto Praya 

 [Praia], Cape de Verde Islands), long. %, lat. % , alt. % in.; 1852, 

 USEE, vol. 12, p. 380, pi. 32, fig. 487,a-d; 1862, Otia Conch., p. 16. 

 Figured holotype USNM 5877; paratype USNM 612318. 



chlorotica 'Agassiz' Gould, Elysis: 1870, Invert. Massachusetts, p. 

 255, pi. 17, figs. 251-255 (found in great numbers in brackish water 

 on the Cambridge [Massachusetts] marshes in the spring of 1848, 

 L. Agassiz), length 1 to IV 2 in. 



chlorotica, Teredo: 1870, Invert. Massachusetts, p. 33, fig. 360 

 (from timbers of ships that have cruised in the Pacific) ; diameters 

 about 3 mm. 



chrysocolla, Neritina: 1847, PBSNH, vol. 2, p. 237 (Upolu, Samoa 

 Islands), long. %, lat. % in.; 1852, USEE, vol. 12, p. 158, pi. 11, 

 fig. 188,a; 1862, Otia Conch., pp. 48, 244. 2 syntypes USNM 5588; 

 18 syntypes MCZ 87927 ex BSNH 2442. 



cicercula, Helix [Corasia]: 1846, PBSNH, vol. 2, p. 171 (mountains 

 of Hawaii, Drayton and Brackenridge) , lat. ){, alt. % in.; 1852, 

 USEE, vol. 12, p. 43, pi. 5, fig. 73,a-c; 1862, Otia Conch., pp. 20, 

 243. Figured holotype USNM 20948; 8 paratypes MCZ 169080 ex 

 NYSM 264, original no. A 754. 



ciconia, Anodon[ta] Plate 34, fig. 1 



1851, PBSNH, vol. 4, p. 92 (Mexico?, T. P. Green and W. Rich), 

 long. 4, alt. 2%, lat. 1% in.; 1853, BJNH, vol. 6, p. 402; 1862, Otia 

 Conch., p. 213. Measured holotype MCZ 169084 ex NYSM 1025a, 

 original no. A 5660; paratype MCZ 169085 and paratype USNM 

 611266 ex NYSM 1025a, original no. A 5500. 



The specimen figured by Sowerby, 1867, in Reeve, Conchologia 

 Iconica, vol. 17, Anodon, pi. 29, fig. 115, has been examined by the 

 present author and is not a type. 



ciliata, Amnicola Plate 45, fig. 4 



1850, PBSNH, vol. 3, p. 196 (Deea [Gbea or Mano] River, Liberia, 

 on the muddy margins, G. A. Perkins), long. %, lat. % in.; 1862, 

 Otia Conch., p. 209. Lectotype, here selected, Amer. Mus. Nat. 

 Hist. 71067 ex J. C. Jay coll. 6850 and 7 paratypes MCZ 225214 ex 

 same AMNH lot. Mentioned by Jay, 1852, Catalogue of Shells in 

 the Jay Collections, p. 278. 



