CONCHOLOGIA INDICA. 
3 
PLATE V. 
PTEROCYCLOS, INCLUDING SPXRACU- 
LUM AND RHIOSTOMA. 
1. P. (Sp.) Mastersi, Blanford, MSS. 
Assam. 
The description will be found in the Zoological Pro- 
ceedings, or the Asiatic Journal. 
2. P. bilabiatus, Benson, Zool. Journ. vol. 5. — Cy- 
clostoma b. Sowerby, Thes. Conch, vol. 1, p. 110, 
pi. 25, f. 81, 82. — Pfeif. Mon. Pneum. vol. 1, 
p. 49. — Reeve, Conch. Icon. Pter. pi. 3, f. 13. 
Salem in Madras : Behar. 
3. P. parvus, Pearson (as Spiraculum p.) Journ. 
Asi. Soc. Beng. vol. 2 (1833), p. 392. — Benson, 
Journ. Asi. Soc. Beng. vol. 5 (1836), p. 357. — 
Pfeif. Mon. Pneum. vol. 1, p. 48. — Reeve, C. Icon. 
Pter. pi. 31, f. 15. 
Khasia Hills : Assam. 
The painting of the Assam variety here figured is 
exactly that of the Cingalese P. Cumingii. 
4. P. (Sp.) hispidus, Pearson, Journ. Asi. Soc. 
Beng. vol. 2, 1833, p. 592, as Spiraculum. — 
Benson, Journ. Asi. Soc. Beng. 1836, p. 355, as 
Pt. — Cyclos. spiraculum, Sow. Thes. Con. vol. 1, 
p. 110, pi. 31, f. 270—272. — Steganotoma Prin- 
cepsii, Von dem Busch, in Philip. Abbild. N. Conch, 
vol. 1, p. 106, Cycl. pi. 1, f. 6. 
Khasia Hills. 
5. P. Cingalensis, Benson, An. Nat Plist. ser. 2, 
vol. 11. — Pfeif. Mon. Pneum. vol. 2, p. 29. 
Monahagalla, Ceylon. 
6. 7. P. insignis, Theobald, Jour. Asi. Soc. Beng. 
1865, vol. 34, pt. 2 : separate pamphl. p. 6. 
Shan States. 
8. P. rapestris, Benson, Journ. Asi. Soc. Beng. 
vol. 1, 1832, p. 11, pi. 1, f. 2. — Reeve, C. Icon. 
Pteroc. pi. 2, f. 8. — Steganotoma picta, Troschel, 
Wiegm. Archiv Naturges., vol. 3, 1837, p. 165, 
pi. 3, f. 12, 13, and in Philippi, N. Conch, vol. 1, 
Cyclos. pi. 1, f. 5 (teste Pfeif.). 
Cuttack. 
9. P. Feddeni, Blanford, Journ. Asi. Soc. Beng. 
1865, p. 93 : Contr. pt. 5. 
Thayet Myo, Pegu. 
10. P. (Rh.) Haughtoni, Benson, An. Nat. Hist. ser. 3, 
vol. 5, p. 96, as Rhiostoma. — Pfeif. Mon. Pneum. 
vol. 3, p. 39, as Rh. — P. H. Reeve, Cone. Icon. 
Pteroc. f. 30. 
Near Moulmein. 
PLATE VI. 
LEPTOPOMA, OTOPOMA, HELICXNA, &c. 
1. L. cybeus, Benson, An. Nat. Hist. 1857, ser. 2, 
vol. 19. — Pfeif. Mon. Pneum. vol. 2, p. 74: 
Novit. pi. 37, f. 28, 29, 30. — Reeve, C. Icon. 
Lept. f. 7. 
Nanclai. 
2. L. semiclausum, Pfeiffer, Proc. Zool. 1854, 
p. 202 ; Mon. Pneum. vol. 2, p. 70. — Reeve, C. 
Icon. Lept. f. 35. 
Ceylon. 
3. L. halophilum, Benson, An. Nat. Hist. ser. 2, 
vol. 7, 1851, p. 265 (as Cyclostoma). — Pfeif. Mon. 
Pneum. vol. 1, p. 118 (ditto). — Reeve, C. Icon. 
Lept. f. 49 (as Lept.). 
Point de Galle, and Colombo, Ceylon. 
4. L. aspirans, Benson, An. Nat. Hist. ser. 2, 
vol. 17, p. 229. — Pfeif. Mon. Pneum. vol. 2, 
p. 72. — Reeve, C. Icon. Lept. f. 18. 
Tenasserim. 
5. Otopoma Hinduorum, Blanford, An. Nat. 
Hist. 1864, for O. clausum, Benson. — Pfeif. Mon. 
Pneum. vol. 3, p. 122 (as Cyclotus). 
Kattiawar, Western India. 
6. Otopoma Hinduorum, var. 
7. Lagoeheilus seissimargo, Benson, An. Nat. 
Hist. ser. 2, vol. 17, p. 228 (as Cyclop. ?). — Pfeif. 
Mon. Pneum. vol. 2, p. 61 (as Cycloph. ?). — Reeve, 
C. Icon. Cycloph. f. 105. — Blanf. An. Nat. 1864, 
June. 
Phie Than, Tenasserim. 
8. Lagoeheilus tomotrema, Benson, An. Nat. Hist. 
1857, ser. 2, vol. 19, (as Cyclop. ?). — Pfeif. Mon. 
Pneum. vol. 2, p. 50 (as Cycloph.). — Blanford, An. 
Nat. Hist. 1864, June. 
Teria Ghat, Khasia Hills. 
9. Helieina Arakanensis, Blanford, Journ. Asi. 
Soc. Beng. 1865, p. 85. 
Ramri Island, coast of Aracan. 
10. H. Andamanica, Benson, An. Nat. Hist. ser. 3, 
vol. 6, 1860, p. 194. — Sow. Thes. Conch. Helic. 
pi. 276. 
Andaman Islands. 
