N0.1264. ILLUSTRATIONS OF AMERICAN SHELLS— BALL. 505 
This curious shell is of a bluish milky white suffused with pule \ iolet 
or rose on the pillar or in the thi'oat. 
MURICIDEA (PSEUDONEPTUNEA) MULTANGULA Philippi. 
Plate XXX, % 1. 
Fums muUangulusVni-LTPVi, Zeitschr. fiir Malak., V, 1849, p. 25. 
Muricidea hemphUli Dall, Hemphill's Shells, 1883, p. 327. 
Fusus {Pseudoneptuvea) multangidus Kobelt, Jahrb. Malak. Ges., IX, 1882, p. 17. 
From Cape Fear, North Carolina, to Florida; Yucatan, and the 
northern Antilles, in shallow water. U.S.N.M., 36030. 
A ver}^ elegant shell when in line condition, whitish with pale brown 
Hecks, and often with rosj' or purplish suffusion about the aperture. 
It has a fusoid operculum, and when perfect the very thin periostra- 
cum is slio-hth' hispid. 
MURICIDEA OSTREARUM Conrad. 
Plate XXX, fig. 2. 
Murex ostrearmn Conrad, Proc. Acad. Nat. Sci. Phila., Ill, 1846, p. 25. 
Urosalpinx JioHdanus Conrad, Am. Journ. Conch., V, 1869, p. 106, pi. xii, fig. 4. 
Muricidea floridana Dall, Hemphill's Shells, 1883, p. 326; Rep. Blake Gastr., 
Bull. Mus. Comp. Zool., XVIII, 1889, p. 213. 
Florida coast south from St. Augustine and west to Yucatan, low 
water to 13 fathoms, on rocky shores. U.S.N.M., 54-1:91. 
This species is of a grayish color with a livid purplish brown throat. 
It is rather similar to the Urosalpinx peiTugatus Conrad, which is 
stouter, with two brown spiral bands usually visible in the throat, 
and has a quite different operculum. 
LATIRUS CAYOHUESONICUS Sowerby and Melvill. 
Plate XXX, fig. 6. 
iMtirus cat/ohuesoivcus Sowerby and Melvill, Proc. Zool. Soc, 1878, p. 796, pi. 
XLVIII, fig. 4. 
Ke}' West and southward among the northern Antilles. U.S.N.M., 
S3035. 
This small dark brown sp(H'ies appears to be rather rare. 
SCALA NITIDELLA Dall. 
Plate XXX, fig. 8. 
Smla nitideUa Dall, Rep. Blake Gastr., Bull. ^Ins. Comj). Zool., XVIII, Apr., 
1889, p. 314. 
Fifteen to 30 miles off the coast of North Carolina in about 50 fath- 
oms, sandy bottom, U. S. Fish Commission steamer Albatross, and 
south to the Straits of Florida. U.S.N.M., 83T16. 
Brilliantly polished white, liberally blotched with cloudy spots of 
light brown disposed in an irregularly spiral manner along the whorl. 
