CYCLOPHORIDZ. 83 
27. LeptopomMA BIrRMANUM. 
Shell perforate, globose-conic, thin, sharply keeled, obliquely 
striate, decussated with very indistinct spiral lines, little 
shining, diaphanous, brownish-yellow, painted with broad an- 
gular streaks and interrupted bands of chestnut-colour; spire 
turbinate, rather blunt; whorls 43, moderately convex, last 
ventricose beneath ; aperture somewhat. oblique, rather qua- 
drangular, blueish, pearly inside; peristome simple, sharp, with 
the margins distant, straight (or in the complete state re- 
flected ?). Height 10, greatest breadth 144, least br. 10 mill. 
Cyclostoma Birmanum, Pfr. Consp. p. 58; Jc. n. 385, t. 47, 
f. 4-7. 
Leptoma Birmanum, Pfr. Consp.n. 172; Pneum. Mon. p. 117. 
Hab. British Burmah (Th. Philippi). 
28. LEPTOPOMA HALOPHILUM. 
Shell globose-conical, thin, slightly striate, rather shining, fulvous, 
usually with a narrow chestnut-coloured band ; spire conical, 
rather pointed ; whorls 5, rounded, last not descending; um- 
bilicus narrow, not pervious; aperture somewhat oblique, nearly 
circular; peristome simple, straight, shortly interrupted, with 
the columellar margin scarcely reflected. Height 4-6, greatest 
breadth 6-7, least br. 43-6 mill. 
Cyclostoma halophilum, Lenson, in Ann. and Mag. 2nd ser. vii. 
p. 265; Pfr. Ic. n. 220, t. 31, f. 29-31. 
Leptopoma halophilum, Pfr. Consp. n. 173 ; Pneum. Mon. p. 118. 
Hab. Ceylon, Point de Galle (Benson), Colombo (Templeman). 
29, LepTropoMA ? MINUTISSIMUM. 
Shell globose-conical, thin, very minutely obliquely striate, dia- 
phanous, fulvid, varied with white ; spire raised, with the apex 
rather pointed, blackish ; whorls 5}, convex, the last one rather 
flattened beneath; aperture roundish, sublunate; peristome 
simple, sharp, with distant margins; columellar margin di- 
lated into a broad reflexed and affixed lamina, which perfectly 
covers the umbilical region. Operc. thin, pale horn-coloured. 
Height 1, breadth 1 mill. 
Cyclostoma minutissimum, Sow. in Proc. Z. S. 1832, p.32; Muller, 
Synops. p. 37 ; Sow. Thes. n. 33, p. 102, t. 30, f. 251. 
Hydrocena? minutissima, Pfr. in Z. f. MW. 1847, p. 112, n. 2. 
Realia minutissima, Gray, Cat. Cycl. p. 63, n. 3. 
Leptopoma? minutissimum, Pfr. Consp. nu. 174; Pneum. Mon. 
p. 118. 
Hab. Pitcairn Island (H. Cuming). 
