CYCLOPHORUS §. 1. 2. 
41 
2. C% piimullfer Benson. 
T. late umbilicata , orbiculato-depressa , radiato-striata, 
striis minutissimis spiralibus decussata, sub epiderinide scabra, 
fusca, albida, superne strigis remotis castaneis radiata; spira 
planata, apice vix prominulo ; sutura profunda ; anfr. 4 con- 
vexi, subtus rotundati , ultimus antice latior ; apertura diago- 
nals, circularis; perist. leviter expansum , subduplicatum : 
internum continuum , superne ad angulum vix sinuatum, ex- 
ternum superne alam verticalem subfornicatam efformans. — 
Operc. ? — Diam. maj. 13, min. 10, alt. 3 1 /* mill. (Coll. 
Benson.) 
Cyclophorus pinnulifer Bens, in Ann. and Mag. 1857. 2d. ser. XIX. 
_ _ Pfr. Novit. conch. I. n. 237. t. 37. f. 22—24. 
Habitat ad Teria Ghat, montium Khasia dictorum portam 
(W. Theobald). 
§. 2 . 
3. speciosus Pliil. (Gray Phan. p. 36. — Ad. 
Gen. p. 280. — Variat spira paulo elatiore et sta- 
tu ra minore. Hab. Siam teste Haines.) 
4. Siamensis Sow. (Ch ed. nov. p. 323. — Gray 
Phan. p. 37. — Ad. Gen. p. 280. — Hab. ad 
Teria Ghat, montium Khasia portam: Bens, in Ann. 
and Mag. 2d. ser. XIX.) 
5. aqiftila Sow T . (Coll. 49. — Gray Phan. p. 38. — 
Ad. Gen. p. 279. — Trosch. Gebiss d. Schn. p. 67. 
t. 4. f. 6. — Cyclost. subinvolvuhis Soul, in Voy. 
Bonite. Zool. II. p. 534.) .......... 
6 . C. alabastriiiiis Pfr. 
T. umbilicata, subdepresso-turbinata, solida, sublaevigata, 
spiraliter minutissime striata, alabastrina; spira turbinata, sur- 
sum livido-fusca , apice acutiuscula; anfract. 5 convex! , cele- 
riter accrescentes, ultimus peripheria obsoletissime subangula- 
tus et antice rudimenta fasciae castaneae exhibens, basi infla- 
tus ; umbilicus angustus, vix pervius ; apertura obliqua , cir- 
cularis ; perist. fulvo-carneum , continuum , breviter adnatum, 
crassum, undique reflexum, margine sinistro subdilatatum. — - 
Operc. saturate castaneum. — Diam. maj. 45, min. 34, alt. 
25 mill. Ap. intus 17 mill. diam. (Mus. Cuming.) 
Cyclostoma alabastrinum (Cyclophorus) Pfr. in Proc. Zool. Soc. 1854. 
p. 126. 
Cyclophorus alabastrinus Pfr. Novit. conch. I. p. 3, n. 4. t. 1. f. 4. 5. 
Habitat in insula Ceylon (Thwaites). 
Mon. p. 56. 
- 56. 
- 57. 
