MANGILIA. 253 
M. cornEA, Reeve. Pl. 23, fig. 99. 
Shell ovate, spire acuminated, horny, semitransparent ; finely 
longitudinally ribbed ; light brown, encircled by a pale zone. 
Length, 5 mill. 
Hab. unknown. 
M. LurescENs, Reeve. PI. 23, fig. 83. 
Whorls very narrowly obtusely shouldered; longitudinal ribs 
numerous, small, with revolving striz in the interstices; yel- 
lowish brown. Length, 12 mill. 
Hab. unknown. 
Described by Reeve under the name of WM. fulva, preoccupied 
by Hinds. 
M. tivipa, Reeve. Pl. 23, fig. 80. 
Whorls smooth, with narrow flexuous longitudinal ribs ; livid 
flesh-color. Length, 12 mill. 
Philippines, on the reefs (Cuming). 
M. winEaTA, Reeve. PI. 23, fig. 77. 
Sheli obtusely longitudinally ribbed, smooth; fleshy brown, 
with numerous faint revolving lines of darker color. 
Length, 8 mill. 
Hab. unknown (Reeve); So. Australia (Angas). 
M. niTENS, Hinds. PI. 20, fig. 2. 
Whorls carinately shouldered ; with longitudinal, sharp, oblique 
ribs, pointed on the shoulder-angle, and extending to the suture, 
and revolving striz; flesh-brown. Length, 12 mill. 
N. Australia, New Guinea, Straits of Macassar, 
and Malacca. 
M. opatus, Reeve. PI. 20, fig. 5. 
Shell with continuous longitudinal distant ribs, the wide inter- 
stices smooth or with revolving strie ; whorls obtusely angulated 
in the middle; white, the interstices of the ribs sometimes more 
or less stained with brown. Length, 9 mill. 
Philippines. 
M. pyramis, Hinds. PI. 34, fig. 86. 
Shell white, angularly longitudinally sharp ribbed, six-sided, 
with close revolving striz. Length, 12 mill. 
Stratts of Macassar (Hinds). 
