98 U.S. NATIONAL MUSEUM BULLETIN 239 



laetus, Pectin: 1850, PBSNH, vol. 3, p. 345 (New Zealand), long. 

 1%, alt. %, lat. 1% in.; 1852, USEE, vol. 12, p. 456, pi. 42, fig. 571,a-b; 

 1862, Otia Conch., p. 95. Figured holotype USNM 5956. 



laetus, Pectin Plate 21, fig. 8 



1861, PBSNH, vol. 8, p. 39 (Hakodadi [Hakodate] Bay [Japan], 

 in shelly mud, 10 fathoms, W. Stimpson), long. 3.5, alt. 3.75, lat. 

 1.5 in.; 1862, Otia Conch., p. 177. Measured holotype MCZ 169229 

 ex NYSM 381, original no. 1634; 6 paratypes MCZ 169230 and 

 paratype USNM 611260 from same NYSM lot and NYSM 379, 

 382, original nos. A 4549, A 5937. Not Pectin laetus Gould, 1850. 

 Changed to Chlamys farreri nipponensis Kuroda, 1932, Venus, vol. 

 3, pt. 2, p. 91, Illustrated Catalogue of Japanese Shells [separately 

 paged appendix]. NPEE. 



laevigata, Nucula: 1838, Rep. Comm. Zool. Surv. State, Massa- 

 chusetts House Doc. no. 72, p. 107 [nomen nudum]; 1841, Invert. 

 Mass., p. 101. 



Though claimed to have been described in Silliman's Amer. Journ. 

 Sci., this was not done. It is actually a nude name listed as a 

 synonym of Nucula sapotilla Gould (q.v.). 



lagena 'Gould' Carpenter, Purpura: 1864, Rep. British Assn. Adv. 

 Sci. 1863, p. 532 [nomen nudum]: ". . . is probably saxicola var." 



lagenula, Chaena: 1861, PBSNH, vol. 8, p. 22 (Hong Kong Harbor 

 [China], 10 fathoms, shelly sand, W. Stimpson), long. 12, lat. 6, 

 alt. 3 mm.; 1862, Otia Conch., p. 161. Ideotype MCZ 169215 ex 

 NYSM 338, original no. G 2963 labeled "Burmah." 



lambata, Arthemis: 1850, PBSNH, vol. 3, p. 277 (Bay of Islands, 

 New Zealand), long. 1, alt. % , lat. % in.; 1852, USEE, vol. 12, 

 p. 422, pi. 37, fig. 536, a (drawn up on the anchor at the Bay of 

 Islands, New Zealand, Archer). Syntype USNM 5921, one valve 

 of which is in fragments. 



lanceata, Limnea [sic] Plate 20, fig. 10 



1848, PBSNH, vol. 3, p. 64 (North Shore of Lake Superior, "Pic 

 Lake," L. Agassiz), long. %, lat. % in.; 1850, in Agassiz, Lake 

 Superior, p. 245, pi. 7, figs. 8, 9; 1862, Otia Conch., p. 206. Lecto- 

 type, here selected, MCZ 169216 ex NYSM 302, original no. A 3030; 

 paratype MCZ 169217 and paratype USNM 611259 from same 

 NYSM lot; paratype MCZ 216622 ex L. Agassiz. 



laqueata, Cerithiopsis Plate 10, fig. 7 



1861, PBSNH, vol. 7, p. 387 (China Seas, W. Stimpson), axis 8, 

 diam. 2 mm.; 1862, Otia Conch., p. 142. Lectotype, here selected, 

 USNM 24098, original no. 505b, figured by Yen, 1944, Proc. 

 California Acad. Sci., ser. 4, vol. 23, p. 570, pi. 50, fig. 44. NPEE. 



