71 Bulletin 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, 1880; 

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



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

 Also Antillean. 

 roseum Reeve, Conch. Icon., sp. 46, 1846; 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 CORALLtOPH J 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. 



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



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

 fms. Also off Fernandina, Fla. 



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

 Rhizochilus); Tr3-on, 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 EPITOiVi I UM Bolten 

 angu'atum Say, Amer. Conch., No. 3, pi. 27, (two upper figs) 

 1831, {diS Scalaria dafhrus 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- 



