6a MOLLUSCA OF THE GULF OF MEXICO 32 



peali Green, Tr. Albany Inst,,i, p. 123, pi. 3, f. 3, 1830; Tryon, 

 Man., 6, p. 36, pi. 10, f. 89-92, 1884; Ball, Bull. M. C. Z., 

 18, p. 68, '89. 



stearnsi Conrad, Am. Jour. Conch., 5. p. 104, pi. 10, f. i, 

 1869. 



Distribution. — Hatteras to Isthmus of Panama. Also Cedar 

 Keys, Florida, 0-5 fms. Pliocene, Caloosahatchie beds. 



pygmaeus Reeve, Pr. Z. S., p. 179, 1843; Kiener, Coq. Viv. 

 Conus, p. 174, pi. Ill, f. I a-b,i848; Dall and Simpson, Bull. 

 U. S. Fish Com., i, p. 383, 1901. 



Distribution. — West Florida to Tobago Isl. Pliocene, Ca- 

 loosahatchie beds. Pleistocene, North Creek, Fla. 



amphiurgus Dall, Bull. M, O. Z., 18, p. 70, 1889. 



Distribution. — Coast of Yucatan, 27 fms. 



chipolanus Dall, Pr. U. S. N.M., 18, p. 42, 1895. 



Distribution. — Lower Miocene, Chipola marls, Florida and 

 of the Bascom No. 2 well, Mobile, Alabama, at 1241 feet. 



Genus TURRIS Bolten 



aibida Perry, Conch. Expl., pi. 32, f. 4, 1811, {ds Pleurotoma); 

 Dall, Bull. 37, U. S. N. M., p. 96, '89; Dall & Simpson, 

 Bull. U. S. Fish Com., i, p. 384, 1901; Maury, Bull. Am. 

 Pal. No. 29, p. 50, 1917. 



Distribution. — Recent, Cedar Keys to Barbados, 26-100 fms. 

 Oligocene of Yicksburg, Miss. , and of Tampa, Fla. ; Lower 

 Miocene, Western Florida and Santo Domingo; Upper Mio- 

 cene, Galveston well at 2158-2950 feet. 



Note.— The variety tellea Dall (Bull. M. C. Z., 18, p. 72, 

 1889) was dredged in the Gulf of Mexico between Missis- 

 sippi delta and Cedar Keys. 



Genus LEUCOSYRJNX Dall 

 verrilli Dall, Bull, M. C. Z., 9, p. 57, 1881, {s^s Pleurotoma); 18, 



