252 Mr. \\'. II. Benson on new spncies of Burmese Helices. 



7. Ilelir jiansn, n. s., nobis. 



Testa jx-rt'orntn, conoidco-deprcssa, confcrtim oblitiue striata, subtus 

 iiititla, radiatiiii striatula, traiijiliiccntt', fusco-conu'a ; spira comexo- 

 coiioidra, apice jiroiiiinulo, glabro, nitido, sutura levitcr imprcssa ; 

 aiit'ra(til)us (i Iciitc accresccntibus, convexiusculis, ultimo ad jteri- 

 pbivriaiii sidjcariiiatn, subtus cons exiuscido ; apcrtura obliqua, late 

 luiiata ; poristoniate recto acuto, niargine coluinellari oblique de- 

 seciidente, superue breviter reflexo. 



Diani. major 11, minor 13, axis 6\ mill. Apert. 5 longa, 7 lata. 



JIah. ad Akaouktoung prope ripas Irawadi fluminis. Detexit W.Theo- 

 bald. 



Allied to the Sikkiui form, Helix tugurium, nobis. 



8. Helix Bolus, u. s., nobis. 



Testa subaperte perforata, globosa, tenui, oblique striatula, striis 

 miiuitlssimis confertissimis spiralibus, sub lente, sculpta, nitidula, 

 trausluccnte, pallide cornea, intcrdum fascia uiiica rufa supra jx-ri- 

 phairiam ornata ; spira couoidea, apice obtusiusculo, sutura leviter 

 imprcssa ; anfractibus 5 convexiusculis, ultimo iuflato ; apcrtura 

 vix obliqua, rotundato-lunari ; peristomate tenui, expansiusculo, 

 albido, margiuc columcUari latiori, superue pcrforationem subte- 

 geute. 



Diam. major 14, minor 12, axis 10^ mill. 



1 "i L 1 J 1 1 i 



Apert. majoris 9 mill, longa, 8 lata. 

 Hab. ad Prome. Detexit W. Theobald. 



This shell varies in being more or less globose in the last 

 whorl, some specimens presenting a subturbinate appearance. 

 The band is indifferently present or absent in each variety. 



9. Helix textrina, n. s., nobis. 



Testa perforata, dej)rcssa, siiperne lineis radlatis et sj)iralibus rugose 

 decussata, ])a!lide rufesccnte, subtus Iteviori, lactea ; sj)ira planius- 

 cula, apice obtuso, sutura leviter com])ressa ; anfractibus 5^ sub- 

 planulatis, sensim accresccntibus, ultimo supra pcrij)hseriam angu- 

 lato ; apertura late lunari ; peristomate ucuto, vix expansiusculo, 

 margiue columellari oblique descendeute, suj)erne brevissime re- 

 flexo. 



Diam. major 29, minor 25, axis vix 13 mill. Apert. 15 mill, lata, 

 10 alta. 



Hub. ad Thyet Myo. Detexit W. Theobald. 



Allied to H. labiata, Pfeiffer, a Western Himalayan shell, but 

 diffenng in its more depressed form, peculiar sculpture, like that 

 of the upper part of //. liyulata, by its more widely lunate aper- 

 ture, and by the absence of any true labiation. The colour may 

 be more pronounced in fresher .specimens. 



