52 CATALOGUE OF PHANEROPNEUMONA. 
Leptopoma ? Guimarasense, Pfr. in Z. f. M. 1847, p. 109, n. 13. 
Cyclophorus Guimarasensis, Gray, Cat. Cycl. p. 18, n. 14; Pfr. 
Consp. n. 102; Pneum. Mon. p. 75. 
Hab. The Philippine island Guimaras (H. Cuming). 
37. CYCLOPHORUS TURBINATUS. B. M. 
Shell depressed-turbinate, rather solid,sculptured with very crowded 
spiral striz and several obsolete ridges, fulvous, with a reddish- 
brown articulated band along the suture, which is moderately 
impressed ; spire conoidal, with the apex pointed, horn-coloured ; 
whorls 6, convex, somewhat angulated, the last one rather flat- 
tened beneath; umbilicus middle-sized, open; aperture oblique, 
nearly circular ; peristome white, double; inner edge shortly 
produced; outer edge shortly expanded, with the margins united 
into an angle; upper margin somewhat dilated forward. Opere. 
typical. Height 83, greatest breadth 14, least br. 12 mill. 
Cyclostoma helicoides, Sow. in Proc. Z. S. 1843, p. 65; Thes. p. 127, 
n. 103, t. 30, f. 245, 246. Not Grateloup. 
Cyclostoma turbinatum, Pfr. in Z. f. WM. 1846, p. 38; Zc. p. 100, 
mn 87, 4/13, £17, 18, 
Cyclophorus turbinatus, Pfr. in Z. f. I. 1847, p. 107, n. 18; Consp. 
n. 103; Gray, Cat. Cycl. p.19,n. 17; Pfr. Pneum. Mon. p. 75. 
fab. The Philippine island Bohol (H. Cuming). 
38. CYCLOPHORUS ? TRILIRATUS. 
Shell globose-turbinate, thin, chestnut-coloured, with paler spots 
and stripes, and with yellow flames along the suture, partially 
covered with a longitudinally wrinkled hairy periostraca; spire 
conic, pointed ; whorls 53, moderately convex, increasing rapidly, 
the penult one bearing two, the last whorl three thread-like 
fringed ridges, of which one is on the upper side, the second at 
the periphery, and the third near below the second ; umbilicus 
narrow, open; aperture oblique, nearly circular, peristome 
rather simple, shortly expanded, whitish-callous internally, with 
the margins approximate, joined by callus. Operc.? Height 
6, greatest breadth 8, least br. 7 mill. 
Cyclostoma triliratum, Pfr. Ic. n. 386, t. 47, f. 8-10. 
Cyclophorus ? triliratus, Pfr. Consp. n. 104, p. 53; Pneum. Mon. 
p. 76. 
Hab. Labuan (Gruner). 
§ 4. Shell subturbinate; peristome expanded; axis wmbilicated, 
partly covered with a tongue-like process. 
39. CycLOPHORUS VALIDUS. B. M. 
Shell depressed-turbinate, thick, rather smooth, with numerous 
obsolete spiral ridges above, chestnut-coloured, with oblique 
