﻿A L Y C .E U S. 



Species 19. (Mns. Brit.) 

 Al.vr.KUS MoUHOTI. .1///. trsli! jl<, ,■;,!,!, n'liti: 



J ilorsum. 

 upertune 



I. 



tiiti rr,itnr,.s„, Lifrnililrr .7 ;„jW,. 



(iijUitii; pud aptrtiii-'iiii lu-m'/,!- uinjas 

 iitiinjine expanso, plniia/n; h ■.iliih'co hrevissimo. 



MiiulldT's Altc^us. ShuU 3'tllir\v, vi'utricose, smooth ; 

 whorls five, upper small ; last inflated laterally 

 and below at the back, shortly nan'owed behind 

 the aperture ; margin of the aperture expanded, 

 flattened ; umbilicus very short. 



Ad.\ms. Proc. Zool. Soc. 1862, p. 2/5. 



ILili. Isl. Formosa. 



Species 20. (Mus. Brit.) 

 AltC.i;l-S Av.i;. .-1///. iedd parrd, rJrprri'sd, alhd, reijn- 

 larlter ru.j.itr, -. ,nifntri:h,is .unjiisi;,; ,dln,u> tumori 

 ,h.,-s.t!i „.,>,,„:., sHl,it,, ,„l lrn„n,„,u rniilnicto; an. 



/„■,.(■;««■»/,;, ,„nh;. ;„//„/,; ,■ odh, .iduraii hrwi, 



,list;,iclo : inul.ili.-u h,t,.. 



The Ava ALvctus. Shell small, depressed, white, 

 regularly wrinkled ; whorls narrow, last with 

 large dorsal tumour, suddenly contracted at 

 the end ; part of the whorl between the tumour 

 and the margin of the aperture rather shoit, 

 inflated in the middle ; sutural callus short, 

 distinct ; umbilicus broad. 



Blanford. Journ. Asi. Soc. 186S. 



Hah. Hills of Mandelay and Ava. 



Species 21. (Mus. Brit ) 



Ai.YC.tus SwiNHOEi. Aiij. testd elevntd, conicd, albido- 

 jliin'dd, IiTvi, inifractibus qidnis, suturd prdfiiiidd. 

 srintrutis ; ultimo veniricoso, lato, tumori laterali 

 siihiiijlaf", til III brevissitiie angvstato; callo dor- 

 xiili miiiiito, distincto, aperturce marijiiie tenui, 

 planotii. 



Swixhoe's Alyc.eus. Shell raised, conical, whitish- 

 yellow, smooth, whorls live, separated by a deep 

 suture ; last ventricose, broad, distinct, swelled 



by a lateral tumour, then very shortly narrowed ; 



dorsal callus minute, distinct, margin of aperture 



thin, flattened. 

 H. Adams. Proc. Zool. Soc. 1866, p. 319. 

 Rah. Isl. Formosa. 



Species 22. (Mus. Theobald.) 



Ar.VC.EUS KuRZIANDS. Aly. tcald d,pi;-^^d. fuJvd. fnnii- 

 fer sukatd, anfraciibus 'p/iiii.---, -/.yw. -..</V, nJtiian ,,,! 

 dorsum medio inflafo, validi nigato, tinn hrtvitrr 

 contracto et callo aniiulari eincto, post aperturcv. 

 marginem crassitudine crescent! ; aperturd majiis- 

 culd, alba, infra cuneatd, canalifrrd ,- manjiin- 

 coliimellari recUuseulo, margine r.itcniu <-iriiii- 

 lato ; callo sutwrali minutd ; wnhiliru lntixsimu. 



KuRz's Alycbus. Shell depressed, fulvous, finely 

 grooved, whorls five, depressed, last dorsally in- 

 flated in the middle, strongly -wrinkled, then 

 shortly contracted and girt with an annular 

 callus, increasing in thickness behind the mar- 

 gin ; aperture rather large, white, cuneate 

 below, with a canal ; columellar margin rather 

 straight, outer margin crenulated ; sutural callus 

 minute ; umbilicus very broad. 



Theobald. Journ. Asi. Soc. Bengal. 



Hah. Nattarina, Brome. 



Species 23. (Mus. Hanley.) 



Altc^us Richtofeni. Aly. tesid subdepres 

 regxdnriter sulcata ; spira acuminata, i 



ain,Hstih„,, vltiino 



d, allndd, 

 nfractibus 



■dio do 





divisd ; margine aperturx duplicato, parte ex- 

 terno late planulatn, parte interno prodiicto, 

 angustato, subcrenato ; callo sitiiirali tenui, an- 

 gustato ; utnbilico magno. 

 RiCHraOFEN's Alycsus. Shell subdepressed, whitish, 

 regularly grooved ; spire acuminated, whorls 

 narrow, last inflated in the middle of the back, 

 then contracted, the part between tumour and 

 edge of aperture narrow, smooth, divided in the 

 middle by an annular callus ; margin of aper- 



