50 
CYCLOPHORUS §. 4. 
ornatus; umbilicus angustus, subinfundibuliformis ; apertura 
ampla, fere verticals, subcircularis, intus margaritaceo-albicla ; 
perist. album, subcontinuum , fornicatim revolutum, ad anfrac- 
tum penultimum tenuissimum. — Diam. maj. 24—30, min. 
19 — 23, alt. 15 — 19 mill. (Mus Benson.) 
Cyclostoma Cantori Bens, in Ann. and Mag. N. H. 2d. ser. VIII. p. 168. 
— — Chemn. ed. nov. p. 383. t. 50. f. 4 — 8. 
Cyclophorus Cantor i Pfr. Mon. Pneum. p. 65. n. 19. 
— — Gray Cat. Phan. p. 44. 
— — //. et A. Adams Gen. rec. Moll. II. p. 279. 
Habitat in insula Penang. 
* 
37. ffenkefliiu§ Mail* (Gray Phan. p. 44. — Ad. 
Gen. p. 280.) Mon. p. 66. 
38. aaKioemis Pfr. (Proc. 1852. p. 62. — Ch. ed. nov. 
p. 346. t. 45. f. 11. 12. — Gray Phan. p. 45. — 
Ad. Gen. p 279.) - - 66. 
39. tur$i:i(lus Pfr, (Coll. 58. — Gray Phan. p.*45. 
— Bens in Ann. and Mag. 2d. ser. XIV. p. 414. 
— Ad. Gen. p. 280. — Cyctost. crassum Pfr. 
Proc. 1851. p. 242. — Cyclost. turgidum Ch. ed. 
nov. p. 257.) - » 6 7 . 
40. piauctatus <2rat. (Coll. 59. — Gray Phan. p. 
45. — Ad. Gen. p. 280. — Cyclost. irroratum 
Sow) - - 67. 
41. denseiineafaa^ Pfr. (Proc. 1852. p. 62. — 
Ch. ed. nov. p. 348. t. 45. f. 17. 18. — Gray Phan. 
p. 46. — Ad. Gen. p. 280.) - - 68. 
42. itiarnioraliii Per. ( Ch . ed. nov. p. 301. t. 40. 
f. 9. 10. — Gray Phan. p. 46. — Ad. Gen. p. 280.) - - 68. 
43. c. tomotrema Benson, f 
„Testa anguste umbilicata, turbinato-pyramidali, radiato- 
striatula, liris elevatis spiralibus plurimis, nonnullis majoribus, 
munita, fusco-cornea ; spira conica , apice obtusiusculo albido, 
sutura bene impressa; anfractibus 5 convexis, ultimo subcari- 
nato ; apertura obliqua, subcirculari , livida, supra angulata ; 
peristomate duplici, interiori continuo, expansiusculo, superne 
ad angulum inciso, exteriori expanso, dilatato. — Operc.? — 
Diam. 5 l j 2i axis 5 mill." (B.) 
Cyclophorus? tomotrema Bens, in Ann. and Mag. 1857. 2d. ser. XIX. 
Habitat ad Teria Ghat, montium Khasia dictorum portam 
(W. Theobald). 
Obs. Conf. C. scissimargo Bens. 
