BNA. 239 



is intermediate between E. arcuata and E. vibeA\ being less convex 

 in outline than the former, while the latter is more fusiform. 

 The shell figured by Eeeve, which must be regarded as the type, 

 is larger than the specimens represented in Conch. Ind. and 

 Conch. -Cab., which measure only 17x7 mm. 



210. Ena arcuata, KHster. 



Bulwius arctuiius {Hutton) , Kiister, Conch.-Cab., Bulimus, ]845» 



p. .56, pi. 17, figs. 1, 2 ; Pfeiffer, IMon. Helic. Viv. ii, 1848, p. 118 ; 



Iveeve, Couch. Icon, v, 1849, Bulimus, pi. 67, fig. 478 ; llau- 



ley & Theobald, Conch. Ind. 1870, pi. 20, fig. 2 ; var., fig. 7. 

 Bulimulus (Ena) arcuatus, Adams, Gen. Rec. Moll, ii, 18.55, p. 160. 

 Bulimus (Ena) arcuatiis, Pfeifier, Malak. Bliitt. ii, 1856, p. 154. 

 Buliminus (Nai)aetis) arcuatus, von Martens, Die Heliceen, ed. 2, 



1860, p. 2'J4. 

 NapcBiis arcuatus, Theobald, J. A. S. B. xlvii, 1878, p. 145. 

 Bulimiyius ( I'etraeus) arcuatus, Nevill, Hand List, i, 1878, p. 136. 

 Bulimina (E7ia) arcuata, Pfeiffer & Clessin, Nomencl. Helic. Viv. 



1881, p. 291. 

 Buliminus (Ena) arcuatus. Kobelt, Conch.-Cab., Fam. Buliminidae, 



1900, p. 684, pi. 10:3, figs. 14, 15. 

 Buliminus (Subzehrinus) arcuatus, Kobelt & Mollendorff, Nachr. 



Deuts. Malak. Ges. 1903, p. 47. 



Original description :— " B. testa sinistrorsa, rimata, ovato- 

 conica, tenuiuscula, subnitida, miuutissime costulato-striata, 

 corneo-flava, lutescenti-arcuatiin fasciata; anfractibus 7 convexi- 

 usculis ; apertura oblongo-ovali, iutus flava ; peristomate ])allide- 

 corneo, margine sinistro arcuato, columellari breviter dilatato." 

 (Kuster.) 



Length 15 mm.; diam. 6 mm. (Pfeiffer.) 



Hah. India: Himalayas (;;. cZ. ^wsc/t) ; Mahassu, "W. Himalayas 

 (Hutfon); Kashmir {Theobald); Simla and Narkandi {Oldham, 

 Stoliczka). 



Fig. ^^.—Ena arcuata. I. 



Kobelt gives a poor copy of the figure in Conch. Ind., repi'e- 

 senting E. nivicola, which is supposed to be cospecific with 

 arcuata, but which is certainly distinct. Pfeiffer and Clessin 

 quote Pupa sylvatica, of Hutton, as a variety of arcuata, with 

 Bidimus nivicola as a synonym. The habitat " Moulmain " given 

 in Conch. Ind., Theobald points out, is an error. Ena arcuata 



