1904.] ON INDIAN AND BURMESE LAND-SHELLS. 441 



4. Descriptions of Indian and Burmese Land-Shells referred 

 to the Genera Macrochlamys, Bensonia, Taphrospira, 

 (gen. no v.), Microcystina, Euplecta, and Polita. Bj 

 W. T. Blanford, CLE., LL.D., F.R.S., V.P.Z.S. 



[Received October 31, 1904.] 



(Plate XXV.*) 



The following pages contain diagnoses of several Indian land- 

 shells that are believed to be undescribed. The majority belong ■ 

 to the genus Macrochlamys, and have been met with in the course 

 of an attempt at monographing the forms found in the Empire of 

 British India. Only those kinds have been described of which 

 the localities are believed to be accurately ascertained, which are 

 sufficiently distinct to render it probable that they may be recog- 

 nised from their description, and of which type specimens are 

 available for deposit in the Britisli Museum. 



Some of the specimens are from my own collections made in India 

 and Burma, others are from the British Museum accumulations, 

 whilst for others I am indebted to Colonel Godwin- Austen, Colonel 

 Beddome, and Mr. Hugh Fulton. I have to acknowledge the 

 valuable assistance and advice of Mr. E. A. Smith in my examina- 

 tion of the British Museum specimens. 



Bensonia nepalensis, Nevill MS. (Plate XXV. fig. 1.) 



Testa aperte jierforata, conokleo-depressa^ sublenticular is ^ tenuis, 

 siojyerne oblique et rugose jjlicata, subtus nitidior atque striatula, 

 haud decussata ; sjnra dej^resso-conoidea, sutura vix impressa ; 

 anfr.Q,convexi,regidariter accrescenteSjidtimitsnondescendeyis, 

 ad peripheriam carinatus, subtus tumidus ; carinci versus 

 aperturam mimes acuta ; apertura obliqua, rotundato-lunata, 

 mai'ginibus convergentibus ; ^^eristoma toiue, margine colu- 

 mellari curvato, denique verticali, undique expausulo, juxta 

 perforationem late reilexo. Diavi. maj. 23"5, min. 21, alt, 

 12 wm. 

 Hab. Khatmandu, Nepal. 



Near B. camura Bs., but distinguished by a lower spire, smaller 

 umbilicus, stronger sculpture, the absence of decussating sti"iation 

 and by less acute carination. 



The types are in Col. Godwin- Austen's collection now in the 

 British Museum. 



Taphrospira t, gen. nov. 



Testa depressa vel glohoso-dep)ressa, tenuis, cornea, ab ilia Macro- 

 chlamydis Bs., fossa spirali extra suturam in omnibus anfract- 

 ibus tantum diversa. 



Typus T. convaUata, Bs. 



* For explanation of the Plate, see p. 417. 

 t rdcppos, a ditch or trench ; (nrelpa, spiral . 



28* 



