ii i-:lix, 



Plate tXCIX. 



Species 139G. (Mus. t uimiiij;.} 



llf;Llx ArjLAJA. Ilel. testa, cix iimhilicala, di-pressa, pel- 

 lucielo-conied, lulesceiile, iiitidi/mima, »pir(e tutiird »iii- 

 impressa, Imidmari/iiiatd ; anfracllbm sex, rotiiiidatii, 

 juxta miturnm ohnolrle plicalh ; apertiird tati liinari, 

 labri) ximpliei. 



The Aglaja Helix. Shell scarcely umbilicnted, de- 

 pressed, transpnrcnt-liorny, yellowish, very shining, 

 suture of the spire rather impressed, finely margined ; 

 whorls six, rounded, oljsolctcly plicated next the su- 

 ture ; aperture broadly hinar, lip simple. 



Pfeiffek, Pro. Zool. Soc. November, 1854. 



Hah. Sarawak, Borneo. 



A very shining horny species, obsoletcly plicated next 

 the suture, which is finely margined. 



Species 1397. (Mus. Cuming.) 



Helix vaLLICOLA. Eel. tnia migmte umbilicald, de- 

 preHM, peUiicuIo-corned, aordu/e oliraced, nilulusiuul ; 

 »piru planulatd ; suturd impresid, tenuimarginntn ; 

 anfraclibus quhique, pnrum contexts, ad siitiiram ob- 

 solete plica f is ; aperturd liinari, Inbro simplici. 



The trench Helix. Shell narrowly umbilieatcd, de- 

 pressed, transparent-horny, dull olive, very shining ; 

 spire flat ; suture impressed, finely margined ; whorls 

 five, but little convex, obsoletcly plicated at the su- 

 ture ; aperture lunar, lip simple. 



Pkeiffer, Pro. Zool. Soc. November, 1854. 



Ilai. Koondah Mountains, near Calicut, India ; Pirrie. 



Very similar to the preceding Borneo species, but com- 

 posed of fewer whorls more flatly convoluted. 



Species 1398. (Mus. Cuming.) 



Helix Ibcensis. Ilel. tesld cix minute iimiilirald, tro- 

 c/ii/ormi, leniii, pallide corned, oldiqni subtilisaimi 

 striald ; spird aciiti conicd ; aufractibiis septum, pla- 

 nulatii, ultimo acutimmi Jilocarinato, basi cOHvexo ; 

 aperturd lati angulato-bmari, labro aimplici. 



The Ibu Helix. Shell scarcely minutely umbilieatcd, 

 trochus-shaped, thin, pale horny, obli(|ucly very finely 

 striated ; spire sharply conical ; whorls seven, rather 

 flat, the last very sharply thread-keeled, convex at 



the base ; aperture broadly angularly lunar, lip 



simple. 

 Pfeiffek, Pro. Zool. Soc. NovemberiJ^64. 

 Ilab. Ibu. 



A transparent homy shell, of sharply trochoid form, 

 finely obliquely thrcad-sl rioted throughout. 



Species 1399. fMus. Cuming.) 



Helix FALEaTA. Ilel. testa anyusti ohtecti umbiluatu, 

 ylobosd, lenuiculd, crelaceo-albd, undique cormgnlo- 

 graiiatd aul pnleata ; spird subobtusd ; suturd dis- 

 linctd ; anfraclibus quatuor, ad suturam subdenri-n- 

 dentibus, eonrexis, ultimo antici dijlexo ; aprrturd 

 circular!, labro simplici, margine columellari rejleiu. 



The Wattled Helix. Shell with a narrow covea'd um- 

 bilicus, globose, rather thin, chalk-white, evtrj-when- 

 wrinkled-grained or wattled ; spire rather obtuse : 

 suture distinct ; whorls four, a little descending at 

 the suture, convex, the last deflected in front ; aper- 

 ture circular, lip simple, colunu-llar margin reflected. 



Ilab. Banks of Swan lliver, Australia ; Bacon. 



A light globose chalk-white s|)ccies, peculiarly wrinkle- 

 grained or wattled throughout. 



Species 1400. (Mus. Cuming.) 



Helix Tunetana. Ilel. testa subampliler profundi urn- 

 bilicatd, depressd, soli<ld,ferrugineo-albd, cretacrd, ru- 

 dittrr corrugato-granulatd ; spird cix elrrald, apice 

 planatd; anfraclibus quatuor, plants, ad prripkrriam 

 carinatis, carind compresso-exsertd el erectd, anfractu 

 ultimo, basi declici-conrexo ; aperturd oblique amju- 

 lulo-lunari, lahro rejlexo. 



The Tunisian Helix. Shell rather largely deeply um- 

 bilieatcd, depressed, solid, rusty-white, chalky, rudely 

 wrinkle-grained ; spire scarcely raised, flat at the 

 npex ; whorls four, flat, keeled at the |)eriphery, keel 

 comprcssly exscrted and turned up, last whorl slant- 

 ingly convex nt the base ; aperture obliquely ongri- 

 larly lunar, lip reflected. 



Pfeiffek, Zcitsehrifi fur Malac. 185U, p. 70. 



Ilab. Environs of Tunis. 



Though of such very different form from the preceding 

 December, 1834. 



