MANGILIA. 245 
white, with chestnut, revolving lines, rarely unicolored or 
unifasciate. Length, 7 mill. 
Mediterranean Sea. 
M. aBipA, Deshayes. Pl. 32, fig. 32. 
Shell white, very slightly ronund-shouldered, with about ten 
longitudinal ribs, and wider interspaces. Length, 6 mill. 
Mediterranean Sea. 
Monterosato considers this a distinct species, but Weinkauif 
refers it to WM. rugulosa. JI have not seen specimens. 
M. rueutosa, Philippi. PI. 22, fig. 44. 
Shell whitish to yellowish brown, the whorls round-shouldered 
above, the rude ribs with wider interspaces, crossed by elevated 
revolving lines, some of them much larger than the rest, and 
which are sometimes brown. Length, 6 mill. 
Mediterranean Sea— England. 
The distinctive character of this species, if it be one, is the 
series of revolving, minute ridges and striz. Jf. Stossichiana, 
Brusina, is a synonym, according to Weinkauff. 
M. Companyotl, Bucq., Dautz. et Dollf. Pl. 33, fig. 62. 
Whorls convex, subangular above, with strong, distant ribs, 
surface covered by extremely fine decurrent strie, visible only 
with the microscope; yellowish white, with numerous well- 
marked, regular, darker, revolving lines. Length, 7 mill. 
Roussilon, France. 
I have not seen this species; apparently it possesses but 
slight distinctive characters. 
M. susBcLATHRATA, Maltzan. PI. 30, fig. 87. 
Turreted fusiforin, sutures well impressed ; ribs eleven, decus- 
sated, and rendered nodulous by many undulating spiral riblets ; 
lip thickened, denticulated, sinus small. Length, 6 75 mill. 
Isl. Goree, West Coast of Africa. 
M. Srruckt, Maltzan. Pl. 30, fig. 88. 
Turreted fusiform, with produced spire and deep sutures ; 
reddish brown; ribs nine, straight, decussated and rendered 
nodulous by spiral riblets; sinus nearly obsolete, lips thickened 
and dentate. Length, 5°5 mill. 
Isl. Goree, West Coast of Africa. 
