116 zonitid.t:. 



this species shells from Arakan, the Assam Hills, and near 

 Dai'jiling, but the identification requires further comparison. 



[ Vide p. 35, Nevill's ' Hand-list ' :— 



Only the shells from Phiethan belonp; to this species. 



1 have gone through most of the shells referred to petasiis from 

 localities in the Assam Hills and Darjiling, sent home to me by 

 Mr. Gr. Nevill ; they all belong to different species ; those recorded 

 from Toruputu, Borpani, Tanir Peak, and Dikrang are M. uda, 

 Godwin-Austen. 



Same page, " A'ar. (? distinct species)": — 



From places in the Dafla Hills belong to a form _yet to be 

 described. 



Same page, ■' Var. (? distinct species)": — 

 12 Arakan are suhpetasus, Godwin-Austen. 

 Page 36 : — 



2 Borpani. 3 Khasi Hills, 10 Dikrang are hepntizon, Godwin- 

 Austen, var. 



3 l^eedoungtoung = subjjetasus, G.-A.] 



180. Macrochlamys ? aspides, Bs. (Helix) A. M. N. H. (.3) xi, 1863, 

 p. .320: Ffr. (Helix) Mo-n.Hel \, ]808, p. 197 : H. Sf T. (Helix) 

 C. I. 1876, pi. 62, figs. 7, 8, 9 ; Theoh. Cat. 1876, p. 17. 



" Shell obtectly perforate, orbiculately depressed, scarcely 

 striated, smooth, polished, horny, subdiaphanous : spire somewhat 

 convex, flatfish, apex slightly raised ; suture faintly impressed, 

 submarginate; whorls 6, very slightly convex, slowly increasing, the 

 last finally broader ; aperture oblique, broadly lunate ; peristome 

 briefly lying open (very slightly expanded), thickened and white 

 inside, broader below, upper margin prominent and much arcuate ; 

 basal margin az'cuately bisinuate, columellar very short, slightly 

 reflected above, its border narrowly callous." {Bs., Latin.) 



Major diam. 11, min. 9, axis 5 mm. 



JIah. Tenasserim {Theobald). 



Distinguished by the strongly arcuate and thickened basal 

 margin of the {>eristome. 



b. Peristome not lahiate. 

 181. Macrochlamys chaos, B[f. P. Z. S. 1904, ii, p. 444, pi. 25, fig. 8. 



Shell perforate, conoidly depressed (subglobose), thin, smooth, 

 transversely striated, and with microscopic, very fine, close, flexuous, 

 longitudinal (spii-al) sculpture, vitreous, pale fulvous or whitish 

 horny ; spii-e low, apex acute, suture impressed ; whorls 5^, 

 slightly convex, the last broader, rounded externally, convex 

 beneath ; aperture oblique, roundly lunate, the breadth exceeding 

 the height; peristome very thin, in one plane, columellar margin 

 curved, vertical above and briefly triangularly reflected. 



Major diam. 16, min. 14, height 8 mm. A .small specimen 

 measures 13x 12x 7 



