RECENT MOLLUSCA OF AUGUSTUS ADDISON GOULD 73 



exacuta, Cleodora: 1852, USEE, vol. 12, p. 488, pi. 51, fig. 605,a-b 

 (lat. 44° N., long. 154° W., about 30° W. of mouth of Columbia 

 River, Oregon, Mr. Dana), long. %, lat. % in. longitudinis; 1862, 

 Otia Conch., p. 235. 



exacutus, Streptaxis: 1856, PBSNH, vol. 6, p. 13 (Burma, F. 

 Mason), length %, breadth % in.; 1862, Otia Conch., p. 220. 



exaequata, Helix [Microcystis]: 1846, PBSNH, vol. 2, p. 171 

 (Kauai, Sandwich [Hawaiian] Islands, J. P. Couthouy), lat. % , 

 alt. % in.; 1852, USEE, vol. 12, p. 47, pi. 5, fig. 61,a-c; 1856, ibid., 

 Addenda and Corrigenda, p. 501; 1862, Otia Conch., pp. 29, 243. 

 Figured holotype USNM 5463; 13 paratypes MCZ 169134 ex 

 NYSM 259, original no. A 748; 2 paratypes MCZ 87862 ex BSNH 

 4368. 



excelsus,Bulimus: 1853, BJNH, vol. 6, p. 376, pi. 14, fig. 3 (California, 

 W. Rich), length 1%, breadth % in.; 1862, Otia Conch., p. 184. 



exculta, Tellina [Tellinella]: 1850, PBSNH, vol. 3, p. 253 (Feejee 

 [Fiji] Islands), long. 2, alt. 1, lat. % in.; 1852, USEE, vol. 12, p. 407, 

 pi. 35, fig. 517,a-b; 1862, Otia Conch., p. 80. Figured holotype 

 USNM 5904. 



exiguus, Elenchus Plate 7, fig. 9 



1861, PBSNH, vol. 8, p. 18 (Port Jackson [New South Wales, 

 Australia]), axis 2, diam. 1.5 mm.; 1862, Otia Conch., p. 156. 

 Probable measured holotype USNM 24230, original no. 378, seen 

 by Hedley, 1913, Proc. Linn. Soc. New S. Wales, vol. 38, p. 278. 

 Original catalog gives locality as "China Seas." NPEE. 



exolescens, Unio Plate 33, fig. 2 



1843, PBSNH, vol. 1, p. 141 ([Tavoy,] British Burmah [Burma], 

 F. Mason), long. 2%, alt. 1%, lat. % in.; 1862, Otia Conch., p. 191. 

 Half probable measured holotype, here selected, lectotype USNM 

 85473 ex I. Lea coll. from Gould; paratypes USNM 611831 from 

 same lot consisting of 3 smaller odd valves. 



explanata, Crepidula: 1853, BJNH, vol. 6, p. 377, pi. 14, fig. 7 

 (Monterey [California], T. P. Green; Lower California, W. Rich), 

 length 1%, breadth %, height % in.; 1862, Otia Conch., p. 184. 

 Figured holotype MCZ 169137 ex NYSM 108, original no. A 48 

 from former locality; 2 paratypes MCZ 169138 and paratype 

 USNM 611272 from same NYSM lot. 



explanata, Succinea [Omalonyx]: 1852, USEE, vol. 12, p. 13, 

 pi. 2, fig. 31,a-c; 1862, Otia Conch., p. 223 (Kauai [Hawaiian 

 Islands], J. P. Couthouy), long. X, lat. % in.; 1862, Otia Conch., p. 

 223. Figured holotype USNM 20870; paratype USNM 5431; 

 paratype MCZ 169135 ex NYSM 182, original no. A 1523; para- 

 type MCZ 155126 ex Smithsonian Inst, (printed label). 



