﻿A L Y C .E U S. 



Plate VI. 



Spccifs 4i\. (Mas. Brit.) 



Al.Yf.ia-.s sTvr.iFKK. J///. /«/,; ,;,„llin:.s;!. palli^IrflllnJ, 

 hil.'nilUn-.lisfnrln; n,,;,-,' „,■„„,;„„ fn ; ulUmu (M- 

 fnirl,, ,lisl:nitrr hinnir.ji,,,,!.., t„,„n,;' .lorml! hitr 

 iiijUitn, ni.iaJn ; ralJ o '^,1 1 ,1 nili h rc r I I'iscidn ; nmhl- 



The sivmkki; Ai.yi.els. Shell compre.ssed, pale 

 fulvou.s, laterally distorted ; apex acuminated ; 

 last whorl with two distant margins; dorsal 

 tumour broadly inflated, wrinkled ; sutural callus 

 rather short ; umbilicus very broad. 



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



Ih,}>. Sikkim, Himalaya. 



Species 47. (Mus. Brit.) 



Ai.yc.t:us sthaxgclatiis. Ahj. trxhi ilcprao'it, fiih-u, 

 triiiifirr ,tri,iUi : iiltiiin, ,n,fniriii post v,,inj!neiii 

 „prrhn-n- pro/i,,„Ir ,-,.,/s/nW",, li'n, .•„//„ r,-„v«, pro- 

 aiiiiriili urr.jiihni' „nii„l„; tinnnrr Jursnl i Uivtl ; 

 n,ll,. .<i,l„r„Ii hrrrin^r,,!,, ; uuihiUco hitiiisnih, ; 

 .„.„.,;.„■. ,prrl,o.r.h,pi;r..l„. 



TiiK STKA,NULEi> Alvc^eus. Shell depressed, fulvous, 

 finely striated ; last whorl deeply contracted 

 behind margin of aperture, then armed with a 

 jjrominent irregular callus ; dorsal tumour short ; 

 sutural callus rather short ; umbilicus rather 

 broad ; margin of aperture double. 



Hl-ti-.,n. JISS. Ptir. Zeitsehrift Malak. 184G. 



JLih. Latidour. 



Species 48. (Mus. Theobald.) 

 AlYO.KUS BIFRONS. Ah/, trs/,! jitilliJc fiiJci, ,h'pre$.<it, 

 h,',-; ; anfnu-tihi,^ „pir„i;h„s nihris- .■ uUniio an- 

 fnictu po^f iiprrtiiniin iuii.r iiinjiidah:, calln an- 

 inihiri,,! mil:, „Jlu, irr, ,iiihiri pruhii .initl lnt>-r- 

 ri'pln ; tii,„niv <lu:^ali lu-rri .■ ralln siifiiniU 

 hrcriii.'^ciilo ; viiihtlico IdJu ; iiiar(jiue (ijiertune te- 

 ni;hcalo. 

 The two-leaved Alyc.kus. Shell pale, fulvous, de- 

 pressed, smooth ; apical whorls red ; last whorl 

 with a narrow length behind the aperture, inter- 



ruj)ted by an annular and irregular, prominent 

 callus ; dorsal tumour short ; sutural callus rather 

 short; umbilicus broad; margin of aperture 

 rather thin. 



TuF.ORALii. Jonrn. Asi. Sue. Bengal, Lsro, Vol. 

 XXXIX. PL 2, p. 3!i(;. 



Uuh. Shan States. 



Species 49. (Mus. Brit.) 



Alyc.eus prosectcs. Ah), testa depresso-conki'i, pal- 

 lid'c j'uha, irregu'lanier sulcata et Vtrahl ; ii/tiiiiu 

 ,niJ)-arlH. Jislnrf,, .<„h!.,I„l„,so, /„,,/ ,q„.rtin;,' ,„„,;ji- 

 „r,u hrrnt.r „,„j>,sf„l., Jrrliri, on-n,atn : t,n,',.n; 

 dormli loii,,;- uijlatu: apvrhu;,; „u,r,ju,c all,,, hiti 

 rcjlcfn siipnl iiifraqne xubanrito ; nmhiUco hiti' ; 

 caUij suturali lonfjuiscido. 



The slashed Alyc.kus. Shell depressed, conical, 

 pale fulvous, irregularly gi-ooved and ridged ; 

 last whorl distorted, snbglobose, shortly nar- 

 rowed behind margin of aperture, sloped, keeled; 

 dorsal tumour lengthily swelled ; margin of 

 aperture white, broadly reflected, subauritod 

 above and below ; umbilicus broad ; .sutural 

 callus rather long. 



Besson. Ann. Nat. Hist. Ser. 2, Vol. XIX, 18:.7. 



Rah. Khasi Hills. 



Species 50. (Fig. a, h, Mus. Brit.) 



AlyCjEUS FoGORI. Aly. testa conir,!, annuiiiafa, sii/- 

 phitred, ultimo anfractu veiifri.:,,.^,,^ lalrralili;- ./ 

 dorso valde inflato ; post apertunuiL brecitcr an- 

 (jiistatii, tmiLori dorsali subito et eonspicuo ; callo 

 suturali hreoissimo ; ajperturd anrjuste reflcxo. 



The Fugob Alyc^us. Shell conical, acuminated ; 

 sulphur, last whorl ventricose laterally at the 

 back, much inflated, shortly narrowed behind 

 the aperture ; dorsal tumour sudden and con- 

 spicuous ; sutural callus very short ; aperture 

 narrow, reflected. 



Martens. ? MS. Mus. Brit. 



Eal). ? 



