CONCHOLOGIA INDICA. 
17 
5. A. Vadalica, Benson, An. Nat. Hist. 1865, Jan. 
p. 15. — Pfeif, Mon. Helic. vol. 6, p. 229. 
Wadale, near Ahmednuggur. 
The i ncrease of the body-whorl above the mouth, 
and the obliquity of the sutures, are inadequately 
represented. 
6. A. Perroteti, Pfeiffer, Mon. Helic. vol. 2, p. 260 ; 
vol. 3, p. 494. — Glandina P. Philippi, Abbikl. 
N. C. vol. 1, Glandina, pi. 1, f. 12. — Var. A. 
Nilagirica, Benson MSS. in Reeve, Conch. Icon. 
Ach. f. 87. 
Nilgherries. 
7. A. parabilis, Benson, An. Nat. Hist. ser. 2, 
vol. 18 (1856), p. 266. — Pfeif. Mon. Helic, vol. 4, 
p. 606. 
Ceylon. 
8. 9. A. notigena, Benson, An. Nat. Hist. ser. 3, 
vol. 5 (1860), p. 462. — Pfeif. Mon. Helic. vol. 6, 
p. 429. 
Mahabaleshwar Hills, and near Bombay. 
10. A. Sarissa, Benson, An. Nat. Hist. ser. 3, vol. 5 
(1860), p. 463. — Pfeif. Mon. Helic. vol 6, p. 234. 
Lower Bengal. 
PLATE XXXVI. 
ACHATXNA : Section Electra. 
1. A. crassilabris, Benson, J. Asi. Soc. Beng. 
vol. 5 (1836), p. 353. — Reeve, Conch. Icon. Achat, 
f. 81. — Pfeif. Mon. Helic. vol. 2, p. 261 ; vol. 3, 
p. 493. 
Khasia Hills. 
2. A. pansetha, Benson, An. Nat. Hist. ser. 3, vol, 5 
(1860), p. 384. — Pfeif. Mon. Helic. vol. 6, 
p. 226. 
Ceylon. 
3. A. Arthurii, Benson, An. Nat. Hist. 1864, March, 
p. 209. — Pfeif. Mon. Helic. vol. 6, p. 224. 
Mahabaleshwar Hills. 
4. A. crassula, Benson, in Reeve’s Conch. Icon. 
Achat, f. 120. — Pfeif. Mon. Helic. vol. 3, p. 496. 
Darjiling. 
5. A. Cassiaca, Benson, in Reeve, Conch. Icon. 
Achat, f. 86. — Pfeif. Mon. Helic. vol. 3, p. 499. 
Khasia Hills. 
6. A. obtusa, Blanford, Proc. Zool. Soc. 1869, 
p. 449. 
.Bhamo, Upper Birmali. 
The sub-genus Bacillum is proposed by Mr. Theobald 
for this, the preceding, and other allied forms. 
7. A. gemma, Benson, in Reeve’s Conch. Icon. Achat, 
f. 123 (and A. frumentum, ditto, f. 124).— Pfeif. 
Mon. Helic. vol. 3, p. 496. 
Lower Bengal, and Nerbudda. 
8. A. tenuispira, Benson, J. Asi. Soc. Beng. 1836, 
vol. 5, p. 353 (not vars. in An. Nat. Hist.).— Pfeif. 
Mon. Helic. vol. 2, p. 262 ? 
Khasia Hills : Darjiling. 
9. A. Shiplayi ; Pfeiffer, Mai. Bliit. 1855, p. 169: 
Mon. Ileiic. vol. 4, p. 612; Novit. vol. 1, pi. 22, 
f. 13, 14. 
Nilgherries. 
10. A. filosa, Blanford, J. Asi. Soc. Beng. vol. 39, 
pt. 2 (1870), p. 20, pi. 3, f. 18 (as Glessula, f.). 
Travancore. 
PLATE XXXVII. 
STENOTHYRA and BYTHXNXA. 
1. S. minima, Sowerby, in Mag. Nat. Hist. (Charles- 
worth’s series), vol. 1 (1837), p. 217, f. 22, b (as 
Nematura).— Adams, Proc. Zool. Soc. 1851 (as 
Nematura). — Benson, An. Nat. Hist. ser. 2, vol. 17 
(1856), p. 501. 
Western India. 
2. S. Deltse, Benson, J. Asi. Soc. Beng. vol. 5 (1836), 
p. 78 (as Nematura) ; An. Nat. Hist. ser. 2, vol. 17 
(1856), p. 499. — Sow. Mag. Nat. Hist. (Charles- 
worth’s series), vol. 1 (1837), p. 217 (as Nematura). 
River Hooghly, near Calcutta ; also in a salt 
lake near Balliaghat. 
3. S. foveolata, Benson, An. Nat. Hist. ser. 2, 
vol. 17, p. 497. 
Ganges, near Sikrigali. 
Delineated from the worn type, the only example 
known to us. 
4. S. monilifera, Benson, An. Nat. Hist. ser. 2, 
vol. 17 (1856), p. 497. 
Mergui, Birmah. 
5. 6. B. inconspicua, Dohrn, Proc. Zool. Soc. 1857, 
p. 123. 
Ceylon. 
