14 PROCEEDINGS OF THE NATIONAL MUSEUM vol.70 



Family POROMYACIDAE 



Genus POROMYA Forbes 



POROMYA GRANLLATA Nyst and Westendorp 



Corbulaf granulata Nyst and Westendoup, Nouv. Recherch. Coq. Foss. 



d'Anvers, p. 6, pi. 3, fig. 3, 1839. 

 Poromya anatinoides Forbes, Rep. Brit. Assoc, 1843, p. 191. 

 Poromya granulata Forbes and Hanley, Brit. Moll., vol. 1, p. 204, pi. 9, 



figs. 4, 5, 6, 1853. 



Off Fernandina, three valves, Florida Keys and the Antillean 

 region in 15 to 227 fathoms, in temperatures 46° to 60° F. 



Family VERTICORDIIDAE 



Genus LYONSIELLA M. Sars 



LYONSIELLA ABYSSICOLA Sars 



Lyonsiella abyssicola M. Sars, Rem. forms Anim. life, p. 25, pi. 3, figs. 

 21-43, 1872. 

 Off Fernandina, three valves. Widely distributed in the deep 

 water of the North Atlantic. 



Genus VERTICORDIA Wood 



Verticordia Wood, in Sowerby, Min. Conch., pi. G39, August, 1844. 



Section VERTICORDIA s. s. 



VERTICORDIA SEGUENZAE Dall 



Verticordia seguenzae Dall, Bull. Mus. Comp. Zool., vol. 12, No. 6, p. 290, 

 1886. 

 Off Fernandina and Georgia, rather rare. North Carolina to 

 Yucatan straight in 124 to 640 fathoms. United States Fish Com- 

 mission. 



Section TRIGONULINA Orbigny 



VERTICORDIA ORNATA Orbigny 



Trigomdina ornata Orbigny, Moll. Cuba, vol. 2, p. 292, pi. 27, figs 30-33, 



1846. 

 Verticordia ornata Dall, Bull. Mus. Comp. Zool., vol. 9, p. 105, 1881. 

 Verticordia caelata Verrill, Trans. Conn. Acad., vol. 5, p. 566, 1884; vol. 6, 



pi. 30, fig. 9. 



Off Fernandina and Georgia. Martha's Vineyard to Barbados; 

 California; Japan and China Seas; United States Fish Commission. 



Family LEPTONIDAE 



Genus MONTACUTA Turton 



MONTACUTA LIMPIDA Dall 



Montacuta limpida Dall, Proc. U. S. Nat. Mus., vol. 21, p. 894, pi. 87, 

 figs. 5, 11, 1899. 



