MANGILIA. 263 
almost straight, slightly rugose above, outer lip nearly straight, 
very thick, regularly rounded ; pure white. Length, 5°75 mill. 
Ceylon, Bombay. 
Possibly a form of the preceding species. 
M. PLANILABROIDES, Tryon. PI. 21, fig. 28. 
Shell fusiform, smooth, narrowly, slopingly shouldered; brown 
with a superior white zone. Length, 10 mill. 
Isl. of Ticao, Philippines (Cuming). 
Described by Reeve as M. planilabrum, a name already used 
by him for the following species described as a Pleurotoma. 
M. PLANILABRUM, Reeve. PI. 23, fig. 87. 
Shell ovately oblong, zeddish brown ; whorls convex, lineated 
spirally, ribbed longitudinally, ribs almost obsolete; aperture 
oblong, lip flat, red, denticulated within, canal very short. 
Length, 1 inch. 
Philippines (Cuming). 
M. pEcussaTA, Pease. PI. 25, fig. 37. 
Whorls shouldered; longitudinally narrowly ribbed, the broader 
interspaces with revolving striz; white. Length, 10 mill. 
Paumotus Is. 
M. citHarA, Gould. PI. 25, fig. 43; Pl. 22, fig. 50. 
Ribs rounded, prominent, the interspaces narrow, with close 
revolving striz ; white, sometimes obscurely chestnut-banded. 
Length, 8-10 mill. 
Fiji Is. (Gould) ; Paumotus Is. (Pease). 
Mr. Pease’s M. brevis (P1. 22, fig. 50) appears to be a synonym; 
the type, which is before me, is a specimen not fully grown. 
M. capiuLacEA, Reeve. PI. 26, fig. 73. 
Whorls lightly shouldered ; ribs narrow, flexuous, the inter- 
spaces broader, with revolving strie; light yellowish brown, 
encircled by hair-like brown lines on the summits of the strie. 
Length, 11 mill. 
Philippines (Cuming); Solomon Js. (KH. A. Smith); 
N. Australia (Brazier). 
M. Detacouriana, Crosse. PI. 25, fig. 32. 
Ribs rounded, narrower than the interspaces, surmounting the 
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