HELIX. 



Plate XCVI. 



Species 523. (Mus. Belcher.) 



Helix conoidalis. Hel. testa subobtede umbilicald, or- 

 bicidato-couoided, stipenie elevatd, bast convexu, radia- 

 tim siriald, pallidi rufescente ; anfractibus quinque, 

 supenie mari/inatis, reticulato-striatis aid corrugatis, 

 rufo-violascenlibuH, ultimo fascia aiiffustd caslaned 

 circiimdato ; aperturd oblique lioiari ; perislomate sini- 

 plici, vix ittcrassato. 



The conoidal Helix. Shell with a nearly covered um- 

 bilicus, orbicularly conoid, raised at the upper part, 

 convex at the base, radiately striated, pale reddish ; 

 whorls five, margined at the upper edge, retiouktely 

 striated or WTinkled, reddish-violet, the last encircled 

 by a narrow chestnut band ; aperture obliquely lunar ; 

 lip simple, scarcely thickened. 



Adams and Keeve, Zool. Voy. Samarang, Moll. p. 63, 

 pi. 10. f. 11. 



Hab. Island of Mindoro, Philippines ; Belcher. 



"a light purjilish-red shell, with a central band, the lip 

 simple, and umbilicus nearly covered. 



Species 524. (Fig. a, b, Mus. Taylor.) 



Helix Taylokiana. Ilel. testa imperforatd, conicd, 

 Trochifurmi, tavi, subpelliwidd, bast acute carinatd, 

 fulvd, ad apiceni carneold et reticulatd, mactdis pel- 

 lucidis fuscis sparsd, oblique striata et tra/isversim 

 subtilissime rur/ulosd ; spird acidd; anfractiitis qiiin- 

 qiie ad sex, ultimo basi convexiusculo, fulvo, circa re- 

 gioiiem columellarem carneolo ; aperturd triangulari, 

 antice valde productd et coarctatd ; peristomate atro- 

 purpureo, incrassato, rejlexo. 



Taylor's Helix. Shell imperforated, conic, Trochus- 

 shaped, smooth, rather transparent, sharply keeled at 

 the base, fulvous, flesh-tinged and reticulated at the 

 apex, sprinkled with pellucid brown spots, obUcpiely 

 striated and transversely very finely wrinkled ; spire 

 shaq) ; whorls five to six, the last rather convex at 

 the base, fulvous, flesh-tinged about the region of the 

 columella ; aperture triangiUar, very much produced 

 and contracted in front ; lip black-purple, thickened, 

 reflected. 



Adams and Reeve, Zool. Voy. Samarang, Moll. p. 59. 

 pi. 15. f. 2. 



Ilab. ? 



A very characteristic species, with a peculiar s|)outed 

 angular lip, collected by Captain Sir Edwar.l Belcher in 

 one of the Eastern islands, during the suneying expedi- 

 tion of the Samarang, unique in the collection of Thomas 

 Lombe Taylor, Esq., in honour of whom it is named. 



Species 525. (ilus. Belcher.) 



Helix caligisosa. Eel. testa umbdicatd, tubglobota, 

 strigii obliquis elevaliusctdis concentric^ nolatd, tupemi 

 lutescente-albd ; an/ractiiiis sex, ultimo spadiceo-fusco, 

 fascia augusld nifd circumdald . uprrturd depretto- 

 luiiatd ; peristomate refiexo. 



The dim Helix. Shell umbilicatcd, somewhat globose, 

 marked concentrically with slightly raised oblique 

 streaks, yellowish-white at the upper part ; whorls 

 six, the last fawn-brown, surrounded by a narrow red 

 band ; aperture depressly lunar ; lip reflected. 



Adams and Reeve, Zool. Voy. Samarang, Moll. p. 62. 

 pi. 16. f. 6. 



A characteristic new species, belonsriuir to the group of 

 which U. ungulina is the type. 



Species 526. (Mus. DeonisoD.) 



Helix regalis. Ilel. testa uvihilieatd, sinittrali, tuhdu- 

 coided, acute carinatd, superne drpretsa, tnturd indit. 

 tiiictd, anfractuum marginibus interdum oltsoleti pti- 

 cato-iiodulosis, carneold, fasciit qualuor ad quinqtie 

 fulcicantibus cingulald, interdum OHiniHO brunHtd, 

 striis uiidulatis granulosis obliquis et linrii coHee*- 

 tricis decussatd ; anfractibus sex, planiitalii, ultimo 

 basi convexo, fasciis dmibus fulricniitibus rircumJato ; 

 carina el regione umbilicali opaco-aliis ; apertyrd de- 

 pressd, angulatd, obliqud ; perislovutU simplici, aculo. 



The royal Helix. Shell umbilicatcd, sinistral, sub- 

 discoid, sharply keelctl, depressed at the upper part, 

 sutitfe indistinct, edges of the whorls sometimes ob- 

 solctely plicately noduled, flesh-colour, encircled with 

 four to five fulvous bands, sonu-timcs altogether 

 brown, decussated with oblii)ue waved gmnnlous 

 stria; and concentric lines ; whorls six, rather flat, 

 the last convex at the base, encirclctl with two ful- 

 vous bands ; keel and region of the umbilicus o|>ake 

 white ; aperture depressed, angled, oblique ; lip sim- 

 ple, sharp. 



May, 1852. 



