250 The land and freshwater shells of India. [Ni>. 4. 



23. H. delibrata, B. (H. procumbens, Gould) — Maulmein. Te- 

 nasserim valley. No where common. This species has a very wide 

 range, being also found near Cherra. 



24. H. refuga var. dextrorsa. — Phaiethan. This dextral var. 

 was only met with at one spot in the Tenasserim valley, where it 

 was not rare ; it is curious that H. refuga does not occur in the 

 valley, but was first seen at Akowtong. 



25. H. castra, B. — Pija. Rare. A single specimen of this Dar- 

 jiling shell was found at Pija between Tavoy and Mergui. 



26.* H. attegia, B. — Phaiethan. Not common. 



27.* H. arx, B.— Therabuin Hill. Eare. This hill has afforded 

 many singular forms, no where else met with. 



28.* H. convallata, B. — Therabuin Hill. Eare. Another sin- 

 gular shell also met with near Pija on the coast between Mergui 

 and Tavoy. 



29.* H. biforcata, B. — 'Therabuin Hill. A most singular shell, 

 of which but one adult specimen was procured. 



30 * H. ceryx, B.— Phaiethan Hill. Eare. 



31.* H. artificiosa, B. — Phaiethan. Not rare, but nowhere else 

 found. 



32.* H. causia, B. — Phaiethan. Eare. 



33.* H. forabilis, B. — Phaiethan. Very rare. 



34.* H. perpaula, B. — Phaiethan. Very rare. 



35.* H. levicula, B. — Phaiethan. Eare, 



36.* H. petasus, B. — Phaiethan. Not rare. 



37.* H. precaria, B. — Phaiethan. Very rare. 



38. H. Saturnia, Gould. — Tenasserim valley. Eare. 



39. H. anceps, Gould. — Tenasserim valley. Common. 



40. H. retrorsa, Gould. — Tenasserim valley. Common, 

 41.* H. acerra, B. — Mergui. Common. 



42. H. resplendens, Philippi. — Tenasserim valley. 



43. H. Theodori, Philippi. — Tanglaw. Very rare. 



