ALYC.i;US. 



239 



"Major diam. 0-14" [3-5 mm.], minor O'lO" [2*5 min.] ; alt. 

 ■0-09" [2-25 mm.]." 



Hah. India : Kopamedza Peak, Naga Hills, 8-9000 ft. ; 

 Asalu, Cacliar {^Godwin- Austen). 



" This shell belongs to the same group as the last \_A. 



(/lobulosasj and is very close to A. .creiiatas, inilii, but 



the longer siitural tui^e and the strongly crenated peristome of 

 crenatas mark the distinction." {Godwla-Austen.) 



350. Alycseus bifrons, Theobald. 



Alycceus bifrons, Theobald, J. A. S. B. xx.vix, 1870, p. 396, pi. 18, 



iig-. 1 ; I'lanley & Theobald, Conch. Ind. 1874, pi. 93, hg.s. 1,4; 



rteirter, Mon. Pueiuii. .Siippl. 3, 1875, p. 03; Tlieob dd, Cat. 



Shells Brit. India, 1870, p. 39 ; Sowerby, in Reeve, Crouch. Icon. 



XX, VSn, Alycceus, pi. 0, tig. 48; Nevill, lland List, i, 1878, p. :293 ; 



Codwin-Austen, Land & Freshw. Moll. India, ii, 1914, p. 407, 



pi. 139, figs. 3, 3 «. 

 Ali/caeus {C/iarax) bifrons, Kobelt & Mullendorl¥, Nachr. Deuts. 



Malak. Ges. xxix, 1897, p. 152; id.. Cat. Pneuni. 1899, p. 48. 

 Alycaeus (Dicharax) bifrons, Kobelt, Das Tierreich, Lief. 16, 1902, 



p. 306. 



Orki'uial description : — " Testa perspective umbilicata, depresse 

 conoidea, translucente, cornea : apice rnbello ; spira elevatiuscula, 

 sutura impressa ; auFractibus quatuor, rotundis, juxta stricturam 

 regulariter et coufertim striato-costulatis, reliqua parte aliquando 

 fere Itevigatis, aliquando levissime striatis. Strictura glabra, 

 longa, fere quartam partem idt. ant'ractus tequante, dnabiis costis 

 fortissimis munita, quarum posterior paulo robiistior eb anteriore 

 longior est ; tubulo suturali tenuissiino, adpreseo, quartam peri- 

 pherice ceqnante ; apertura ampla, circulari, sensim deflecta ; 

 perist. duplici, albido, labio adnato angustissimo, labro infra 

 modice incurvato. 



"Diara. maj. "20 [5 mm.], min. -15 [3-75 mm.], alt. -10 unc. 

 [2-.5 mm.]." {Theobald.) 



Hah. Burma: 8tiau States {Fedden). 



•357. Alycseus birugosus, Godivin- Austen. 



Ali/ccens birmjosus, Godwin- Ansten, Proc. Zocl. Soc. 1893, p. 593 ; 



id., Laud iS: Freshw. Moll. India, ii, 1897, p. 2, pi. ()3, Hgs. 5, ba; 



1914, pp. 370, 387, vav. pi. 154, figs. 7, 7 a. 

 Ali/caeus [Charax) birui/osus, Kobelt & MoUendorff, Nacbr. Deuts. 



Malak. Ges. xxix, 1897, p. 152 ; jd., Cat. Pneuni. 1899, p. 48. 

 Ali/c<ieus {Dicharax) birugoms, Kobelt, Das Tierreich, Lief. 16, 



1902, p. 366. 



Original description : — " Shell globosely turbinate, rather openly 

 umbilicated; sculpture smooth on upper whorls, regular close 

 ribbing on the swell of the last ; colour pale ochraceous or 

 ruddy brown; spire conoid, rounded at apex; suture impressed; 

 whorls 4, the last not swollen, contracted in front of the rather 

 short sutnral tube, then enlarging into two parallel ridges, which 



