CONCHOLOGIA mDICA. 



5. A. Vadalica, Beuson, An. Nat. Hist. 1865, Jan. 

 p. 15.— Pfeif, Mon. Helic. vol. 6, p. 229. 

 Wadale, near Ahmednuggur. 



The increase of the body-wliorl above the mouth, 

 and the obliquity of the sutures, are inadequately 

 represented. 



17 



C. A. obtusa, Blanford, Proc. Zool. Soc. 18G'J, 

 p. 440. 



Bhamo, Upper Birmah. 

 The sub-genus Bacillum is proposed by Mr. Theobald 

 for this, the preceding, and other allied forms. 



/?'. A. gemma, Benson, in Reeve's Conch. Icon. Achat, 

 f. 12.3 (and A. frumentum, ditto, f 124).— Pfeif 



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 Bonil>ay. 



10. A. Sarissa, Benson, An. Nat. Hist. ser. 3, vol. 5 

 (1800), p. 463.— Pfeif. Mon. Helic. vol 6, p. 234. 

 Lower Bengal. 





PLATE XXXVI. 



ACHATINA: Section Electra. 



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. panaetha, 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. crassiila, Benson, in Reeve's Conch. Icon. 

 Achat, f 120.— Pfeif. Mon. Helic. vol. 3, p. 496. 



Darjiling. 



5. A. Cassiaca, Benson, in Keeve, Conch. Icon. 

 Achat, f. 86.— Pfeif Mon. Helic. vol. 3, p. 499. 



Khasia Hills. 



Mon. Helic. vol. 3, p. 496. 



Lower Bengal, and Nerbudda. 



6. A. Perroteti, Pfeiffer, Mon. Helic. vol. 2, p. 260 ; 

 vol. 3, p. 494.— Glandina P. Phihppi, Abbild. 

 N. C. vol. 1, Glandina, pi. 1, I 12.— Var. A. 



Nilagirica, Benson MSS. in Reeve, Conch. Icon. ./IS. 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. fllosa, Blanford, J. Asi. Soc. Beng. vol. 39, 

 pt. 2 (1870), p. 20, pi. 3, f. 18 (as Glessula, f ). 

 Travancore. 



PLATE XXXVII. 

 STENOTHYRA and BYTHINIA. 



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 

 N'ematura). — Benson, An. Nat. Hist. ser. 2, vol. 17 

 (1856), p. 501. 



Western India. 



2. S. Deltse, Beuson, 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, Birmali. 



5. 6. B. inconspicua, Dohrn, Proc. Zool. Soc. 1857. 

 p. 123. 



Ceylon. 



