﻿ALYC^US.— Plate I. 



Species 5. (Mas. ? Copied.) 



Alycjius maegaritus. Aly. testa subglohosd, alhida ; 

 anfractihus tribus, rotimdis, ultimo post aperturaiii 

 moderate {?) contracto, aperturoe margine dupli- 

 cato; margine interm termi, produoto ; margine 

 externa planato, expanso ; umhilico parvo. 



The pearl Altcjius. Shell subglobose, whitish; 

 whorls three, rounded, last moderately (?) con- 

 tracted behind the aperture; margin of the 

 aperture double ; inner margin thin, produced : 

 outer margin flattened, expanded ; umbilicus 

 small. 



Theobald MSS. Hanley, Conch. Ind. PI. 9.5, f. 10. 



Hah. Shan provinces. 



The second figure in the Indian Conchology (PI. 



XCVII., f. 7), given as representing a variety of this 



.species, has every appearance of belonging to another. 



I have therefore named it Al. microstoma in Plate IV. 



Species 6. (Mus. — ■ — ?) 

 Alycbus pteamidalis. All/, testa majusculd, pyrami. 

 data, rubro-fuscd, laivi ; ultimo anfradu lateraliter 

 expanso, ad dorsum gihhoiio, aiihilij r,iiilr<ii-l,i, /i)iii 

 breviter continuo, callo siitnroii iiimiisjiirnu ,/./,/. 

 gato ; margine aperturir hitn, I'lunul": iinihilicu 

 angustiiiscAdo. 

 The pyramidal ALYCj;ns. Shell rather large, pyra- 

 midal, red-brown, smooth ; last whorl laterally 

 expanded, gibbous at the back, suddenly con- 

 tracted, then shortly continued, sutural callus 

 inconspicuous, long ; margin of the aperture 

 broad, flattened, rather narrow. 

 Hknson. Ann. Nat. Hist. 18-Jtl, Ser. 2, Vol. XVII. 



H<:h. Therabuin Hi 



im, Burmah. 



Much resembling Ah/ai;us yihhii^, but more pyi 

 iriiilal. 



Species 7. (Mus. Brit.) 



Alyc.bus pusillus. All/, testa pmn-ii, albd, depressd, 

 liratd ; ultimo arifractu ad latus late prodticto, 

 ad dorsum itiflato et profunda rugato ; ad tumoris 

 terminum leviter coarctato, turn post aperturam 

 siihexpanso ; callo suturali parvo, brevi, distincto ; 

 umbdico laio, margine ajJertune crasso, suh- 

 rotundo. 



The dwarf Alyc.eus. Shell .small, white, depressed, 

 ridged ; last whorl broadly produced at the side. 



inflated and deeply-wrinkled at the back, slightly 

 contracted at the end of the tumoar, then a 

 little expanded behind the aperture ; sutural 

 callus small, short, distinct ; umbilicus broad, 

 margin of the aperture thick, rather round. 



GoDwrN-Au.STiN. Journ. Asi. Soc. Beng. 



Huh. Jawai to Asalu. 



Species 8. (Mus. Godwin- Austin.) 



Alyc.eds KHAsiacds. Aly. testa depressd, fasco-rube- 

 ncenti, profunde sulcata, anfractibus quaternis, 

 depressis, apicali rubra, ultimo ad dorsum valide 

 inflato, profn.nde sulcata, ad terminum tumoris 

 sahiti) profundii contracto, tum usque ad marginem 

 npcrtarw expanso ; callo suturali brevi, tenui, con- 

 tipicuo, umhilico lata, margine aperturn' cras.^o, 

 subrotundo. 



The Khasian Alyo^us. Shell depressed, reddish 

 brown, deeply grooved, whorls four, depressed, 

 apical red, last much inflated at the back, sud- 

 denly and deeply contracted at the end of the 

 tumour, then 'expanded to the margin of the 

 aperture ; sutural callus short, thin, conspicuous; 

 umbilicus broad, margin of the aperture thick, 

 rounded. 



Godwin-Austin. Journ. Asi. Soc. Beng. 1871, Vol. 

 XL. 



Hah. Khasia and Jaintia Hills. 



Species 9. (Mus. Godwin-Austin.) 



Alyceus conicus. All/, testa solidd, suhviridi, obtuse 

 conicd, ad.'iuturam crenulatd ; anfractibus quinis, 

 apicalibiis rubescentihus, ultima lato,tumore dorsali 

 denst! lirato-rugato, ad terminum, tumoris breviter 

 angusto, hevi ; margine aperturce crassissimx), re- 

 trarsum declivi, callo suturali elangato, angusto, 

 rugoso ; umhilico maxima. 



The conical Alyc^us. Shell solid, greenish, ob- 

 tusely conical, crenulated at the suture ; whorls 

 five, apical, reddish, last broad, dorsal tumor 

 closely wrinkled in ridges, shortly narrow, 

 smooth at the end of the tumor ; margin of the 

 aperture very thick, shelving, backwards, sutural 

 callus lengthened, narrow, rough ; umlrilicus, 

 very large. 



Godwin-Austin. Journ. Asi. Soc. Bengal, 1871, 

 Vol. XL 



Hal. East of Kopili River, Xorth Cachar. 



