45 
evated. Lon. .§5; Lat. .33 in. Habitat—Coronado Is‘ands, 
ff San Diego, California. Hemphill, 3 specimens.”—Robert 
Ix. C. Stearns, Conchological memoranda No. 6 (May 18, mths e 
Am J Conch 7: —(1871), with f. 
PLEUROTOMA HEMPHILLII. 
“(Drillia) Shell small, smooth, slender, polished; spire long, 
pK 
subacute, rounded at apex; longitudinally marked with incon- 
spicuous, oblique ribs, which are nearly obsolete on the body 
whorl; number of whorls 7, with well defined sutural line, and 
just below it a parallel impressed thread-like line; shell of an 
opaque dingy horn color; incremental lines fine, marked in some 
specimens with dingy white; mouth obliquely ovate, about one- 
third the length of the shell; labrum produced, anteriorly some- 
what thickened; sinus eat deep, calloused; columelia titick- 
ened at hase; canal very short, somewhat produced and twisted; 
one specfinen shows obscure, revolving, impressed lines below 
the swell of ihe body whorl; size quite uniform. Lon. .20; Lat. 
og in. Habitat—Los Todos Santos bay, Lower Caliicrnia, 
where several specimens were obtained by Mr. Hemphill, for 
whom I have named this weli marked species.”—-Robert Ef. C. 
Stearns, Conciological memoranda No. 7 (28 Ag 1871}; Ca ac 
pr §:—tt, {3 (7 Ap 1873). 
MURICIDEA SUBANGULATA. 
“Shell small, abbreviated fusiform, dingy white and marked 
spirally by an inconspicuous band formed of 3 reddish-brown 
lines more or less interrupted on the basal and the preceding 
volution; whorls 5, angulated above and on the basal whorl 
rounded below the angle, with a shallow sulcation beneath; 
surface covered with rounded and irregular costae, which are 
inconspicuous or obsolete on the upper whorls; longitudinally 
marked with from 7-9 irregular rounded ribs, which at the edge 
of the angle, (which is somewhat carinated) are broken into 
angular or pointed knobs or blunt spines; aperture ovate, angu- 
