ALYCiEUS. 



21S 



above, in the very sliort sutuml tube of A. pusillus — the very 

 short postulated portion of the whorl and its smooth glossy sur- 

 face, and generally Hatter apex." {Godwin- Austen.) 



310. Alycaeus nowgongensis, Godwin- Austen. 



Alycceits noirfioiK/ensis, Godwin-Austen, Land & Freshw. Moll. 

 India, ii, l'J14,"p. ;'.97, pi. 187, iigs. 4, 4 a, -t&. 



Original description :—'• ^\\e\\ rather openly umbilicate(I, de- 

 pressedly turbinate; sculpture: tine regular costulation, terminates 

 short of the length of the sutural tube, succeeded by well-marked 

 distant ribs ; colour white, bleached ; spire conic, somew!\at de- 

 pressed : suture well impressed, sutural tube moderately long; 

 wborls 4, well rounded, the last constricted close to base of sutural 

 tube, then slightly swollen diagonally forward to the perist oine ; 

 aperture circular, "simple, slightly anguhite at upper outer angle ; 

 peristome double, the outer reflected and spreading outwards. 



" Major diam. 3 ; alt, axis 1-4 mm." 



Hah. India: Koliaghur, Nowgong District, Assam {Godwin- 

 Austen). 



" In the form of the inflation in front of the constriction this 

 species recalls A. diar/oniiis, but its shape is quite different and it 

 is much more openly umbilicated. I found this single specimen 

 on the low granite liill of Koliaghur in the ruins of an olcl temple. 

 The Brahmaputra waslies the base of the hill, a terminal spur 

 from the Lhota Naga Hills on the south," {Godwin-Austen.) 



311. AlycSBUS oglei, Godwin-Austen. 



Alyccms oglei, Godwin-Austen, f^and & Freshw. Moll. India, ii, 

 1914, p. 3G2, pi. 148, fig. 2. 



Original description: — "Shell globosely conoid, umbilicated; 

 sculpture: close regular costulation on the swollen part of the 

 last whorl, at termination of the suture becoming more distant ; 

 colour bleached ; spire high, turbinate, apex small ; suture very 

 impressed, the sutural tube very long; wborls 4, with very 

 rounded sides, very slightly constricted at the sutural tube and 

 expanded slightly to the aperture, this portion short and smooth ; 

 the aperture subvertical, horizontally oval, slightly angulate on 

 ui)per inner margin ; peristome double, thickened, crenulated, 

 with four indentations, the first high on outer margin. The 

 operculum (Dihing specimen) is remarkable, being multispiral and 

 deeplv concave in front. 



'• Major diam. 5-5; alt. axis 2-9 nnn." {Godwin- Austen.) 



//«/). India : Sadia and Dihing, xVssaiu {Ogle). 



312. Alycseus panggianus, Godwin-Austen. 



All/cans panr/f/icnia, Godwin-Austen, Land .<c Freshw. Moll. India, 

 li, 1914, p. 367, pi. 156, figs. 3, 3 a. 

 Original description : — " Shell openly umbilicated, globosely 

 conical, sculpture fine; close costulation next the sutural tube» 



