NO. 1177. NORTH AMERICAN LEPTONACEA— BALL. 879 



28. Montnaita floridana Dall, 1899; Miocene, Plioeene; Recent, West 



Florida. 



29. Montacuta minuscula Dall, 1899; off Cape Hatteras, North Caro- 



lina, in 124 fathoms. 



30. Montacuta limpida Dall, 1899; Florida coast from Fernandina to 



Cape Florida, in 85 to 294 fathoms. 



31. Montacuta percompressa Dall, 1899; Vineyard Sound, Massaclm- 



setts. 



Montacuta ferrnginosa Yerrill, 1884, not of British authorities following Mon- 

 tagu. 



Genus LAS^-EA Leach. 



32. Laswa rubra Montagvi, 1804:; Bermuda; European seas; California. 



Genus TURTONIA Alder. 



33. Turtonia minuta Fabricius, 1780; Greenland, Nova Scotia, New 



England coast (and south to South Carolina?). 



Genus KELLIELLA Sars. 



34. KellieUa nitidaYQVY\\\^1886; off the coast between Delaware and 



Marthas Vineyard, in 1,525 to 2,033 fathoms. 



Genus ALIGENA H. C. Lea. 



35. Aligena elevata Stirapson, 1851; coast of southern New England 



from Chelsea beach, Massachusetts, to New Haven, Connecti- 

 cut. 



^Montacuta bidentata Gould, ex parte, 1841, not of Turton ; Montacuta ehraia 

 Stimpson, 1851; Kelliopsia elevata Yerrill and Bush, 1898. 



B.— SPECIES OF THE WEST COAST OF NORTH AMERICA 

 Genus CHLAMYDOCONCHA Dall. 



1. Chlamydoconcha orcutti Dall, 1884; San Diego, California. 



Genus SOLECARDIA Conrad. 



2. Solecardia eburnea Conrad, 1849; Cape St. Lucas to Panama. 

 This is Scintilla cuminyi Deshayes, 1855. 



Genus SPORTELLA Deshayes. 



3. Sportella calif ornica Dall, 1809; Monterey, California. 



4. Sportella stearnsii Dall, 1899; Gulf of California. 



Genus LEPTON Turton. 



5. Lepton meroeum Carpenter, 1864; San Diego, California. 

 0. Lepton umbonatum Carpenter, 1857; Mazatlau, Mexico. 



