PTEROCYCLOS $. 2. 53 
tum, superne vix incisum, externum patens, ad anfractum 
contiguum productum, tum late inflexum, latere dextro angu- 
stius involutum. — Operc.? — Diam. maj. 22, min. 18, alt. 
11l, mill. (Coll. Nr. 4.) 
Pterocyclos  Wilsoni Pfr. in Proc. Zool. Soc. 1865. p. 831. t. 46. f. 12; 
Malak. Bl. XIII. 1866. p. 44; Novit. conch. III. 
fasc. XXXIII. p. 442. Nr. 587. t. 98. f. 5—7. 
— — . Pütel Catal. p. 119. 
Habitat in insula Formosa. 
* 
12. Cingalensis Bens. IL 29. III. 42. — 7. Nevill Enum. 1871. p. 
5. — Hanl. & Theob. Conch. Ind. t. 5. — Ceylon. 
I3- bifrons Pfr. IL 304! IIL 42. — .H. Newil Enumi 1871. p. 5. 
— Ceylon. 
14. bilabiatus Bens. I. 49. II. 30. III. 42. —  Cyclostoma bilabiatum 
Sow. — Madras. 
15. Albersi Pfr. I. 45. II. 30..III. 42. — Montes Khasia Indiae. 
16. anguliferus (Cyclostoma) Soul. (Coll. 5.) I. 44. II. 30. III. 42. 
— .Pütel Cat. p. 119. — Cochinchina. 
17. rupestris Bens. (Coll. 6.) I. 46. II. 30. III. 42. — JPütel Cat. p. 
119. — jSteganotoma picta Trosch., rupestris Mórch. —  Pterocyelos 
pictus Trosch. —  Cyclostoma pictum Petit. — India, 
18. nanus Bens. (Coll. 7.) II. 31. III. 43. — India. 
19. parvus (Spiraculum) Pears. (Coll. 8.) I. 48. II. 31. III. 43. — 
Pütel Cat. p. 119. — Montes Khasia Indiae. 
20. pullatus Bens. f II. 31. III. 43. — Birmania. 
21. Cetra Bens. f II. 32. III. 43. — Birmania. 
29. Pt. Feddeni Blanford. 1 
»Llesta late umbilieata, convexo-depressa, laevigata, minute 
striata, tenuiuscula, strigis transversis alternantibus zigzagfor- 
mibus albis et castaneis, fasciaque submediana modice lata 
obseuriore ornata; spira fere plana, apice levissime protracto, 
sutura profunda; anfr. 4!/;, convexi, ultimus rotundatus, versus 
aperturam descendens; apertura circularis, parum obliqua; 
 peristoma duplex, limbis sulco levi separatis: internum superne 
excisum, sinum mediocrem formans, externum in alam parvu- 
lam verticalem liberam productum. — Operc. intus concavum, 
centro plano, extus plano-concavum, marginibus anfractuum 
liberis, lamellaribus. — Diam. maj. l1, min. 9, alt. 5 mill 
(B. angl.) 
Pterocyclos Feddeni W. T. Blanf. Contrib. to Ind. Malae. V. 1865. p. 19. 
— . Hanl. & heob. Conch. Ind. t. 5. f. 9. 
Habitat Thayet Myo, Pegu. 
* 
