264 ; MANGILIA. 
slight shoulder-angle and attaining the suture, revolving striz 
very fine and close; white, with traces of brown staining. 
Length, 12 mill. 
N. Caledonia. 
Is possibly a variety of the preceding species, from which it 
appears to differ only in the absence of the hair-like brown lines. 
M. Stromporpes, Reeve. PI. 23, fig. 1. 
Interstices of the ribs with fine revolving striz; yellowish 
white. Length, 14 mill. 
Philippines (Cuming), Red Sea (Riippell). 
M. ELEGANS, Reeve. PI. 23, fig. 3. 
Interstices of the narrow ribs very beautifully elevately 
striated ; yellowish white, very faintly zoned with brown. 
Length, 13 mill. 
Philippines (Cuming). 
Perhaps a variety of the preceding species. 
M. Batansat, Crosse. PI. 25, fig. 35. 
Yellowish white, the interstices of the ribs chestnut-colored, 
obsoletely chestnut-banded. Length. 19°5 mill. 
New Caledonia. 
Narrower and more numerously ribbed than UM. Stromboides, 
Reeve. 
M. pusiosa, Nevill. Pl. 25, fig. 42. 
Doubtfully distinct from the next species, which is described 
and figured from a young shell. White, with a broad brown 
stain on the back of the last whorl; ribs narrow, straight, not 
on the shoulder, interstices closely striated, Length, 7°5 mill. 
Andaman Is.; Mauritius. 
M. conirormis, Gray. PI. 26, fig. 79. 
Shell rather transparent, thin, whitish; faintly plicate on the 
upper part of the whorls, transversely very faintly striated. 
Length, 9 mill. 
Habitat unknown (Reeve); W. Coast of Cent. Am. (Morch). 
M. SouveERBIEI, Tryon. PI. 22, fig. 65. 
Shell minutely tuberculate at the shoulder-angle, and covered 
