37 Moixusca OF the Gulf of Mexico 5 



Distribution and range. — Typical from North Carolina to Flor- 

 ida, 2-100 fathoms; variety, trunculus Dall, northern, from 

 Long Island to Nova Scotia. Miocene to Recent. 



Gulf Coast. — Cedar Keys, Florida. 



eegeensis Jeffreys, Proc. Zool. Soc, p. 581, 1879. 



csgeensis Dall, Bull. Mus. Comp. Zool. Harvard Coll., vol. 

 12, p. 246, 1886; Bull. 37, U. S. Nat. Mus., p. 42, 1889. 

 Distribution and range. — Southward to Trinidad and in the 



Mediterranean Sea. 5 to 464 fathoms. Recent. 

 Gulf Coast. — Western Florida in shallow water (Dall). 



crenulata A. Adams, Proc. Zool. Soc, p. 52. i860. 



cre?iulata Dall, Bull. Mus. Comp. Zool. Harvard Coll., vol. 9, 

 p. 123, 1881 ; Idem, vol. 12, p. 247, 1886 ; Bull. 37, U. S. 

 Nat. Mus., p. 42, pi. 7, fig. 2, 1889. 

 culebrensis Smith. Challenger Rept. Lamell., p. 228, pi. 18, 

 figs. 11, 11 a, 1885. 

 Distribution. — Hatteras to Barbados, 30 to 382 fathoms. 

 Gulf Coast. — Western Florida, 20 miles off shore (DallJ. 

 cymella Dall, Bull. Mus. Comp. Zool., vol. 12, p. 247, 1886. 

 cymella Dall, Bull. 37, U. S. Nat. Mus., p. 42, 1889. 

 Distribution. — Florida Straits to Yucatan. In deep water, 205 

 to 1 100 fathoms. Yucatan Strait, dredged in 540 fms. 

 (Dall). 



verriili Dall 



trigona Verrill, Trans. Conn. Acad., vol. 6, p. 438, 1885. 

 verriili Dall, Bull. Comp. Zool. Harvard Coll., vol. 12, p. 

 248, 1886; Bull. 37, U. S. Nat. Mus., p. 42, 1889. 

 Distribution. — Rhode Island to Yucatan. Recent. Abyssal, 

 430 to 1605 fms. Gulf of Mexico. Texas region (Dall). 



chipolana Dall, Trans. Wagner Inst. Sci., vol. 3, pt. 4, p. 575, pi. 

 32, fig. 10, 1898. 

 chipolana Aldrich, Manuscript Ala. well fossils. 

 Distribution. — Miocene of the Chipola River marls and lower 

 Alum Bluff bed, Florida ; Bascom No. 1 well, Mobile, Ala- 



