ALYCJTJS. 



237 



" The exterior expanded peristome, foriniug a conspicuous collar 

 round the porrect interior portion, is the most prominent character 

 in this very minute species. The only specimen received is in a 

 weathered condition, and so much bleached that the colour of the 

 perfect shell cannot be ascertained/' (Benson.) 



352. Alycseus asaluensis, Go<hvin- Austen. 



Ah/caus crispatiis var., Godwin-Austen, J. A. S. B. xl, 1871, p. 93, 



pi. 4, tig. 2. 

 Ahf((em amluensis, Godwin-Austen, Land & Freshw. Moll. India. 

 li, 1914, p. 385, pi. 145, figs. 2, 2 a, 2 b. 



Original (U'xcrijytion: — "Shell umbilicated, conoid; sculpture: 

 strong, regular, rather distant costulation on tlie upper whorls, 

 much stronger and closer on the swell of tlie whorl next the 

 sutural tube, a few finer and distant on the constriction, which 

 c-i>ntiuue up to the aperture; colour whitish ; spire conical, fairly 

 high; suture impressed, sutural tube very fine ; w^horls 4, the last 

 sharply constricted, then rising suddenly into a ridge which 

 expands forwards to the double peristome ; aperture circular, very 

 o'nhque; peristome double, distinctly crenulated, but not strongly 

 so ; this is not ^^iow in the figure, which was taken too much fi-om 

 the side to see it well. 



"Major diam. 3-5 ; alt. axis 2 mm." {Godwin- Austen.) 

 Hah. India: Dihung River, north of Asalu, Xorth Cachar 

 {Godwin- Austen) ; JSTenglo and Phulong. 



353. Alycseus ataranensis, Godwin-Austen. 



Ahjc(eus crispatus, Theobald & Stoliczka, J. A. S. B. xli, 1872, 



p. 330. 

 Ahjcmts, n. sp. (prox. A. crispatus), Xevill, Hand List, i, 1878, 



p. 293, no. 36. 

 Alycfsus ataranensis, Godwin-Austen. Land & Fresliw. Moll. India, 



ii, 1914, p. 426, pi. 148, figs. 4, 4 a, 4 b. 



Original description : — "Shell globosely conoid, rather openly 

 umbilicaied; sculpture: rather distant costulation on the upper 

 whorls (^specimen being old they do not show well) ; colour 

 bleached ; spire moderately high, apex blunt ; suture impressed : 

 whorls 4, the last slightly swollen near sutural tube ; constriction 

 very short, a well-marked ridge rising between it and the aperture ; 

 aperture irregularly oval, oblique ; peristome double, inner lip 

 with four deep notches, with intermediate sharp notches, outer 

 undulated, both much expanded and protruding forwards, detached 

 from the last whorl, forming a deep notch on the inner upper 

 margin ; columellar margin rounded. 



" Major diam. 2-3 ; alt. 1-9 mm." 



Hab. Burma : Ataran {Stoliczka). 



" It is easily mistaken for A. crispatus. of the Xaga Hills, but 

 differs materially in the part between the suture and aperture."^ 

 (Godwin-Austen.) 



