CONCHOLOGIA INDICA. 
37 
2, 3. H. mononema, Benson, An. Nat. Hist. 1853 
(ser. 2, vol. 12), p. 92. — Pfeif. Mon. Helic. vol. 4, 
in 37. — Reeve, Conch. Icon. f. 1339. 
Ceylon. 
5, 6. N. Pirrieana, Pfeif. Proc. Zool. Soc. 1854, p. 
55 : Mon. Helic. vol. 4, p. 154, and vol. 6, p. 417. 
— Reeve, Conch. Icon. Helix, f. 1341. 
Walaghat in Koondah Hills. 
7. H. Barrakporensis, Pfeiffer, Proc. Zool. Soc. 
1852, p. 156 : Mon. Helic. vol. 3, p. 59, and vol. 5, 
p. 86. 
Barrakpore. 
8, 9. N. retifera, Pfeiffer, Proc. Zool. Soc. 1845, p. 
13: Mon. Helic. vol. 1, p. 119. — Reeve, Conch. 
Icon. Helix f. 1170. — Blanford, An. Nat. Hist. 
1861 (ser. 3, vol. 7), p. 244 (as Plectopylis). 
Nilgherries. 
10. N. macropleuris, Benson, An. Nat. Hist. 1859 
(ser. 3, vol. 3), p. 265.— Pfeif. Mon. Helic. vol. 5, 
p. 183, and Mai. Bliit, 1859, p. 24. 
Rungun Valley, near Darjiling. 
PLATE LXXXVIII. 
HELIX. 
1, 4. H. eompluvialis, Blanford, Journ. Asi. Soc. 
Beng. 1865, pt. 2 (vol. 34), p. 66 : Cont. Mai. pt. 5. 
Aracan Hills. 
2, 3. H. convallata, Benson, An. Nat. Hist. 1856, 
(ser. 2, vol. 18), p. 250. — Pfeif. Mon. Helic. vol. 4, 
p. 46 : Novit. Conch, vol. 1, pi. 36, f. 14, 15, 16. 
Birmah. 
5,6. H. consepta, Benson, An. Nat. Hist. 1860 (ser. 
3, vol. 6), p. 190, and 1863, (ser. 3, vol. 11), p. 
320. — Pfeif. Mon. Helic. vol. 5, p. 239. 
Near Moulmein. 
7, 10. H. petrosa, Hutton, Journ. Asi. Soc. Beng. 
183 1 (vol. 3), p. 84, for Helix no. 3 (from type). — 
Pfeif. Mon. 1, p. 56. — H. vitrinoides, Pfeif. (not 
Desh.) Mon. 1, p. 56. 
Bengal. 
Indian collectors term this fragile species Id. vitri- 
noides, and it suits part of the figures (pi. 110, f. 11, 
12), which illustrate that shell in Kuster’s “ Chemnitz.” 
It is certainly not the true vitrinoides of Deshayes 
figured without known locality in Guerin’s “ Magasin 
de Zoologie.” 
8, 9. H. cycloidea, Albers, Malak. Blatt. 1857 
(vol. 4), p. 89, pi. 1, f. 1, 2, 3.— Pfeif. Mon. Helic. 
vol. 4, p. 43. 
Near Moulmein. 
PLATE LXXXIX. 
HELIX. 
1, 2, 3. H. umbrina, Pfeiffer, Mon. Helic. vol. 4, 
p. 49. — Reeve, Conch. Icon. Helix, f. 1335. 
Ceylon. 
4, 5, 6. H. vilipensa, Benson, An. Nat. Hist. 1853 
(ser. 2, vol. 12), p. 93. — Pfeif. Mon. Helic. vol. 4, 
p. 49. 
Ceylon. 
7, 10. H. tenuicula, Adams, Proc. Zool. Soc. 1868, 
p. 14, pi. 4, f. 9 (as Macrochlamys). 
Sattara, Bombay. 
8, 9. H. Petasus, Benson, An. Nat. Hist. 1859 
(ser. 3, vol. 3), p. 388. — Pfeif. Mon. Helic. vol. 5, 
p. 97. 
Phie Than, Tenasserim. 
PLATE XC. 
HELIX. 
1, 4. H. levieula, Benson, An. Nat. Hist. 1859 
(ser. 3, vol. 3), p. 391. — Pfeif. Mon. Helic. vol. 5, 
p. 48. 
Phie Than, Tenasserim. 
2, 3. H. causia, Benson, An. Nat. Hist. 1859 (ser. 3, 
vol. 3), p. 388. — Pfeif. Mon. Helic. vol. 5, p. 118. 
Phie Than, Tenasserim. 
5, 6. H. mucosa, W. and II. Blanford, Journ. Asi. 
Soc. Beng. 1861 (vol. 30), p. 353, pi. 1, f. 11. — 
Pfeif. Mon. Helic. vol. 5, p. 51. 
Near Pykara, at Coonor Ghat and Seegoor 
Ghat, Nilgherries. 
