﻿ALYC^US.— Pr-ATE VI. 



Species 61. (Mus. Brit.) 



Alvc^us physis. Aly. testa majusculd, depresso- 

 conicd, griseo-albidd, Icevi, ultimo anfractu latera- 

 liter extenso; post aperturam distorto, hnviter 

 angustato ; tiimore dorsali concinne marginato, 

 late inflato ; callo suturali elongato ; umhilico 

 ma.d)no ; margine aperturce angiiste reflexo. 



The physis Alyc^ids. Shell rather large, depressed- 

 conical, grejish white, smooth, last whorl late- 

 i'ally distorted, shortly narrowed behind the 

 aperture ; dorsal tumour neatly bordered, broadly 

 inflated ; sutural callus elongated ; umbilicus 

 veiy large; margin of aperture naiTOwlyreflexed. 



Uenson. Ann. Nat. Hist. Ser. 3, Vol. III. p. 179. 



JTah. Rungun Valley, near Darjeeling. 



Species 52. (Mus. Hanley.) 



Alyc^us hebes. Aly. testa, depresso-conicd, laci, pal- 

 lide castaned; ultimo anfractu post margineiii 

 aperturce constrido, callo irregulariretrorsum tortuo 

 munito ; tiimori dorsali brevitlsculo, margine albo; 

 callo suturali loiigiusculo ; umhilico majilseulo ; 

 aperturce margine angusfo. 



The dull Alycsus. Shell depressed-conical, smooth, 

 pale chestnut ; last whorl constricted behind 

 margin of aperture, strengthened with an irre- 

 gular backward twisted callus ; dorsal tumour 

 rather short, with white margin ; sutural callus 

 rather long ; umbilicus rather large ; margin of 

 aperture narrow. 



Benson. Ann. Nat. Hist. Ser. 2, Vol. XIX. 1857. 



Thh. Khasia Hills. 



Species 53. (Mus. Brit.) 



Alyc^US Stolitzkii. Ah/, testa albidd, tenuissimt' 

 slriiitd. .^iihiJipyessd; ultimo anfractu post mar- 

 ijiiniii }iilii-iil,i, tilm longe angustisdmo ; tumore 

 diirsidi coiii-itinh marginato; callo suturali rtm- 

 spicuo, elongato; umhilico inagno. 



Stolitzski's Alycj;us. Shell whitish, very finely 

 striated, subdepressed ; last whorl with doulile 

 ridge behind aperture, then with a lengthened 

 very narrow space ; dorsal tumour neatly bor- 

 dei'ed ; sutural callus conspicuous, elongated ; 

 umbilicus large. 



Godwin Austin. ? MS. Brit. Mus. 



E.d,. Nagor Hills. 



Species 54. (Mus. Brit.) 



Alyceus Ingrami. Ahj. testa depressd, albidd ; ultimo 

 anfractu lateraliter extenso, post aperturam brevis- 

 sime coidracto ; tumore dorsali ad aperturam sub- 

 approximato ; callo suturali elong do, couspicno ; 

 umhilico latissimo. 



Ingram's Alycj)DS. Shell depressed, whitish; last 

 whorl laterally extended, very shortly contracted 

 behind the aperture ; dorsal tumour rather near 

 the aperture ; sutural callus lengthened, con- 

 spicuous ; umbilicus very wide. 



Blasford. Journ. Asi. Soc. Bengal, 1862. 



Uab. Aracan. 



