71 BuivI^BTIN 38 ' lOI 



Genus SISTRUM Montfort 



nodulosum C. B. Adams, Pr. Bost. Soc. N. H., p. 2, 1845, (as 

 Purpura); Tryon, Man., 2, p. 190, pi. 59, f. 275, 18S0; 

 Dall and Simpson, Bull. U. S. Fish Com., i, p. 411, 1901. 



Distribution. — Cape Romano, southwest Florida, to Colon. 

 Also Antillean. 

 roseym Reeve, Conch. Icon., sp. 46, 1S46; Dall, Bull. 37, U. S. 

 N. M., p. 122, 1889. 



Distribution. — Gulf of Mexico, Texas region, to Barbados. 

 The rosy color is thought to be caused by an encrusting hy- 

 drozoon. 



Genus CORALLBOPH I LA H. and A. Adams 



abbreviata Lamarck, Enc. Me'th, , pi. 435, f. 2a-b, 1795, (as 

 Pyrula); Anim. s. Vert., 7. p. 146, 1822. 

 galea Chemnitz, 



Distribution.— Cape Fear, N. C, to the Antilles. Gulf 

 coast. West Florida. Pliocene, Caloosahatchie beds. 



Dall, Bull. M. C. Z., 18, p. 220, pi. 16, f. 6, 1889. 



Distribution. — Gulf of Mexico, Blake station 5, in £52-229 

 fms. Also off Fernandina, Fla. 



liae Reeve, Pr. Zool. Soc, p. 208, pi. 38, f. 3, 1857, (as 

 Rhizochilus); Tryon, Man., 2, pi. 66, f. 383, 1880, (as 

 Latiaxis); Dall, Bull. U. S. N. M., p. 122, pi. 16, f. 5, '89. 



Distribution. — Cape Hatteras to Barbados. Also West Fla. 

 56-878 fms. 



Genus EPSTOiVi i UR.1 Bolten 

 angulatum Say, Amer. Conch., No. 3, pi. 27, (two upper figs) 

 1831, {2iS Scalar ia clathrus var.); Hilgard, House of Rep. 

 Ex. Doc. I, pt. 2, p. 887, 1878; Dall. Bull. 37, U. S. N. 

 M., p. 122, '89; Singley, 4th Ann. Rept. Tex. G. S., p. 

 336, '92; Johnson, Occ. Pa. Bost. Soc. N. H., 7, p. 103, 

 1915- 



