816 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.xxiti. 



Reeve {—serninula Gould, 1861, but not of Deshayes, 1858) in Novem- 

 ber, 1850; nor the L.pisum Sowerby, 1837, nor the L.pisum d'Orbigny 

 of 1841. 



It is a small, globular species, with rather sparse external sculp- 

 ture, mf)re tumid than the young of D. chnriKa. The specific name 

 has been used so many times for ditferent species of Lucina^ sen-so lata, 

 that it seems best to substitute a new one to avoid confusion. It has 

 been found, adventitiously, at Monterey, California, by Gabb, with 

 other exotic species. 



Note. — The Lucina digitalis Krebs, 1864, not Lamarck, 1818, 

 appears to be the Stri(jilhi pisifoi^mixi of Linna?us. The Lucina pul- 

 cheUa C. B. Adams (Proc. Boston Soc. Nat. Hist., II, p. 10, 1845, but 

 not of Agassiz, 1845) was also founded on Strigilla piriformis. 



? Family CORBID.^. 

 Genus CORBIS Cuvier. 



This comprises (Tafrariiiiii{s\).) Bolton, 1798; Cor'his Q\\v\q\\ 1817; 

 Fimhria. Megerle, 1811, but not of Bohadsch {Nudihranchiata) 1761; 

 Idothea Schumacher, 1817, Init not of Fabricius (crustacea) 1793. The 

 type and sole recent species is Yen n><jiud>i'iat(i Linnanis, 1758, + Findn'ia 

 magna Megerle, 1811, + Id <>fh<t'a perforata Schumacher, 1817. It is a 

 native of the China seas, from which several varieties have })een 

 described. 



The generic name of Bolten, meaning a waffle iron, in allusion to the 

 cancellate external sculpture, was applied to an assembly comprising 

 one species sul)se(]uently made the type of Corhis; five species sub- 

 sequently included in Circe Schumacher; and one peculiar Venus 

 ( V. reticulata Linnseus) which will have to retain the name if it be 

 retained at all. We arrive, by the method of elimination, at this result, 

 which, fortunately, is more convenient than to throw out names so 

 universally accepted as Cr/r'his or Oirce. 



In the Yoldi Catalog'ue ' Morch lists this species from the Antilles. 

 In the Mazatlan Catalogue Carpenter' describes a minute shell which 

 he suspected to be the young* of a species of this genus, but to which 

 he ])rudently gave no specific name. Morch's reference is certaiidy 

 erroneous and no confirmation of Carpenter's suspicion has been 

 received, though collections in the Gulf of California have continued to 

 be made for nearly half a century. The genus is represented in our 

 early Tertiaries, but does not appear to have survived into the Miocene. 

 I see no reason for supposing that it forms a member of the recent 

 fauna on either of our coasts. 



1 Volume II, 1858, p. 33. 

 n857, p. 101. 



