HELIX. 



Plate CLXVII. 



Species 1120. (Mus. Cuming.) 



Helix Kochi. Eel. kstd nmbilicatd, ghboso-depresid, 

 soliduld, oblique dUtincte striald, albidd, fasciU plu- 

 ■ riius rufa ad peripheriam ornatd ; spird parum ele- 

 vatd, obitmmculd ; aitfraclibus net, contexm, tetmrn 

 accrescenlibus, ultimo subcylindraceo ; umbilico magna, 

 pernio ; aperlurd lunato-circulari ; perislomale sim- 

 plici, aculo, uarginUjus conniveiiliius, dexlro antror- 

 ■turn arcualo, columellari dilatato. 



Koch's Helix. Shell umbilicated, globosely depressed, 

 rather solid, oljliqutly distinctly striated, whitish, 

 ornamented at the pcripherj' with several red bands ; 

 spire but little raised, rather obtuse; whorls six, 

 convex, increasing gradually, the last subcylindrical ; 

 umbilicus large, open; aperture lunar-circular; lip 

 simple, sharp, margins approximatiug, right margin 

 arched in front, columellar dilated. 



Pfeiffer, Pro. Zool. Soc. 1845, p. 127. 



Hob. ? 



Partaking very much of the form of Cyclostoma. 



Species 1121. (Mus. Cuming.) 



Helix insolid.\. Eel. testa timbilicatd, globoao-depressd, 

 nudd, corneo-luiescente, angusla trifasciatd, striald; 

 anfractibus quinque, couvexis, ultimo antici subilu de- 

 Jkxo ; aperlurd obliqud, transverse ovali ; peristomate 

 riiflexo,sublubialo, marginibus conuicenlibus, suiconvexis, 

 columellari basi dilatato, tuberculifero. 



The light Helix. Shell umbilicated, globosely de- 

 pressed, nude, horny-yellow, narrowly three-banded, 

 striated ; whorls five, convex, the last suddenly de- 

 flected in front ; aperture oblique, transversely oval ; 

 lip reflected, slightly edged, margins approximating, 

 almost connected, columellar margin rather dilated 

 and tubcrculifcrous at the base. 



Zieglek, llossiuiislcr, Hist. MoU. vol. viii. p. 31. f. 506. 

 Eelix pralextala, Parreyss. 



Eab. .'Vlbania. 



A light transparent species, with a rather large and 

 deep umbilicus. 



Species 1122. (Mus. Cuming.) 

 Helix Zonites. Eel. testa umbilicald, depressd, ieiiui, 



diaphatid, conferlim costulalo-itriatd, lulescenle-conitd ; 

 spird vix elatd ; anfractibus sex, convex iuscu lis, r&gu- 

 lariter accrescent ibus, ultimo supra medium lined rufd, 

 ad apicem usque conspicud oniato, basi laciore, subpla- 

 nulato ; umbilico mediocri, pervio ; aperlurd depressd, 

 oblique lunato-ovali, intus margarilaced ; peristomate 

 simplici, recto, margine columellari breviler patents. 



The Zonites Helix. Shell umbilicated, depressed, thin, 

 diaphanous, closely rib-like striated, yellowish-homy ; 

 spire but little raised ; whorls six, rather convex, in- 

 creasing regularly, last whorl conspicuously orna- 

 mented with a red line above the middle as far as 

 the spire, smoother and rather flattened at the base ; 

 umbilicus middling, open ; aperture depa-ssed, ob- 

 liquely lunar-oval, inclined to pearl within ; lip sim- 

 ple, straight, columellar margin shortly patent. 



Pfeiffer, Pro. Zool. Soc. 1845, p. 127. 



Eab. ? 



Well characterized by its densely rib-striated surface. 



Species 1123. (Mus. Cuming.) 



Helix cojipkessa. Eel. testa late umbilicald, depresso- 

 orbiculald, obtuse angulatd, superne rufescenU, sericind, 

 miuutissimi clalhratd, subtus nilidd, albido-cinctd, ci- 

 nereo albidoque radiald, infra angulum internipti nifn- 

 cente-vittald; anfractibus sex, convexiusculis; aperturd 

 oblique lunari ; peristomal^ recto, acuta, inlus suUa- 

 biato. 

 The compressed Helix. Shell umbih'catcd, depr^■^^ly 

 orbicular, obtusely angled, reddish at the upiK-r part, 

 sUky, very minutely cancellated, shining beneath, 

 white -encircled, rayed with nsh and white, inter- 

 ruptedly red-tilletcd beneath the angle; whorls ^ix, 

 rather convex ; aperture obliiiuely lunar ; lip straight, 

 sharp, slightly edged within. 

 ZiEGLEit, Eossmiisler, Hist. MoU. vol. iii. p. 2. f. 15(». 

 Eab. Fiume. 



A broad subdiscoid shell, more or less comprcssly flat- 

 tened. 



Species 1121. (Mus. Pfeiffer.) 



Helix Croatica. Eel. testa late mnbilicald, orbicutalo- 

 convexd, superne conferlim costklalo-slriatd, snHiiiuimi 

 decussatu, sericind, corned, obtuse angulata, albido- 



July, 1853. 



