MANGILIA. 249 
M. hypsela, Watson. Off Pernambuco. 
M. acanthodes, Watson. Bermuda, Azores. 
M. corallina, M. tiara, Watson. Near St. Thomas, W. I. 
M. macra, Watson. Azores. 
MM. eritmeta, Watson. Azores. 
M. rufocinecta, E. A. Smith. Porto Cavallo, So. America. 
M. ligata, C. B. Ad., H. and A. Adams, Genera. I have not 
found any description of this species. 
M. INTERLIRATA, Stearns. PI. 22, fig. 56. 
Shell dark reddish brown, solid; whorls eight, with 8-10 strong 
longitudinal ribs, and 10-12 thread-like, darker colored revolving 
ribs in the interspaces only; outer lip simple, somewhat 
thickened. Length, ‘27 inch. 
Monterey and San Diego, Cal. 
M. HEXAGONA, Gabb. 
Shell small, slender, fusiform; spire subacute, nuclear whorls 
two, smooth, normal whorls five, slightly subangular and orna- 
mented by six large acute radiating ribs with broad, concave 
interspaces ; besides these, the whole surface is cancellated by 
minute raised lines; color brownish white, ornamented by a few 
reddish brown revolving bands, one much larger than the rest, 
in the middle of the whorl; aperture narrow, columella very 
slightly twisted ; outer lip acute, sinus almost obsolete. 
L. °34, lat. :1; L. apert. -15 inch. 
Monterey, Cal. (2 specimens). 
M. BELLA, Hinds. PI. 21, fig. 35. 
Shell fusiform, attenuated below, slender, pale yellowish 
brown; whorls rounded, longitudinally ribbed, crossed with 
white raised lines, banded with darker brown round the upper 
part; ribs slender, furnished with small scattered granules, 
running into a simple suture; lip thickened, sinus small, rather 
wide. Length, 16 mill. 
W. Coast of Central America. 
M. srriosa, C. B. Adams. PI. 34, fig. 96. 
Shell slender, dingy white, with a rather indistinct narrow 
central brown band on the body-whorl; longitudinal ribs 10-12, 
