MONILEA-MINOLIA. 269 



obtuse, subdepressed, decussated ; the following are ornamented 

 with sublamellose radiating striae, bicarinate below, pale yellowish, 

 ornfiniented with greenish or chestnut flammules, and white dots ; 

 last jvhorl augulated, bicarinate in the middle, the carinre subgranose; 

 base concentrically lirate ; aperture circular, descending ; lip thin, 

 acute. Alt. 10, diam. 5 mill. (Fischer.) 



Island of Mayotte, Comoro Archipelago. 



T. (Gibbula) maiiei Fischer, Journ. deConchyl. 1886, p. 72, t. 1, 

 f. 5. 



M. HOLDswoRTHANA G. & H. Nevill. PL 40, fig. 24. 



Shell small, narrowly but deeply perforate, conical-turritted, thin, 

 lusterless, whitish, mottled Avith greenish-brown above, base densely 

 marked with dark brownish or greenish ; spire elevated, apex acute, 

 3'ellowish, sutures profound ; whorls 5, the median portion encircled 

 by three prominent keels, the U2:)per two visible on the sjiire ; base 

 with a few coarse but not deep spiral sulci, carinated around the 

 funnel-shaped umbilicus ; aperture subcircular, iridescent within ; lip 

 fragile, columella thin, concave ; umbilicus wath several obscure 

 spiral sulci inside. Alt. 4-42, diam. o^i-?>^ mill. 



Ceylon ; Siugajwre. 



Gibbula holdsivorthana G. & H. Nevill, Journ. Asiat. Soc. Beno-al, 

 1871, pt. 2, p. 3, t. 1, f. 18. — Minolia variabilis Ad. P. Z. S. 1873, 

 p. 207, t. 23, f 10. 



Numerous specimens collected by Archer, at Singapore, are be- 

 fore me. This is a broader species than ]\[. mariei, more widely 

 umbilicate, and differently sculptured. The oblique strire of incre- 

 ment are scarcely visible. 



M. suBPLicATA G. &. H. Nevill. PI. 40, fig. 34. 



Shell turbinate, thin, semipellucid, white; whorls 5, tubular, flat- 

 tend at the suture, spirally ridged ; ridges 3 on the penultimate whorl, 

 very prominent, \videly separated by deep interstices, on upper 

 whorls transversely cancellated, on the last delicately spirally 

 sfriated ; whorls transversely plicate at sutures ; base subconvex, 

 narrowly umbilicate, ornamented by 4 spiral ridges, the two inter- 

 stices next the umbilicus transversely costulate; ajjerture nearly 

 circular, surrounded by a simple margin ; inner lip moderately 

 arcuate ; inside slightly pearly. Alt. 5, diam. 4 mill. {Xevill.) 



S. Province Ceylon. 



