HELIX— Plate XL. 



shortly reflected, coluiuellar inar<!in dilated, uppresscd, 



cxcavnted. 

 Keiussac, Hist. Moll. i)l. 44. f. 4. 

 Ihb. West Indies? 



All extremely chnractcristic species of exactly the same 

 typical form as //. aspera. It is of a shining fawn-grey 

 i-olour, marked in the spiral direction with oblong linear 

 dot.s, somewhat alter the mauucr of JJ.nai/i/ti/erii. The 

 body-whorl is stained interiorly with glazed chestnut, as 

 in H. a»pera, and the aperture is of the same oblong form, 

 but toothless. 



Species 181. (Mus. Cuming.) 



Helix Cakmelita. Uel. lex/a mperforatd, nuborbicii- 

 lari, graiiutato-atriatit, carinalu, oblique alrial/i, nitide 

 caslaiied, fascia tinicd pallidiore supra carinam ornald ; 

 aiifractibua quatuor nd qiiiiiqiie, ptanulnds, ultimo basi 

 iii/laio, aiitice v'u descem/enle ; aperturd prrobliqud, 



luimlo-elliplicd ; perislomate rejlexo, inlus alio, mar- 

 ffiiiibus cnllo Into Jitiictis, columellari dilalato, intror- 

 sum obsolelP unidenMo. 



The Cakmelite Helix. Shell imperforated, suborbi- 

 eular, granulatcly striated, keeled, obliquely striated, 

 shiaing chestnut, ornamented with a lighter band 

 above the keel; whorls four to five, rather flattened, 

 the last inflated at the base, sliirhtly descending in 

 front ; aperture vt-ry oblique, lunar-elliptical : lip re- 

 flected, white within, margins joined by a broad cal- 

 losity, columellar margin dilated, obsoletely one- 

 toothed inwardly. 



Feeussac, Hist. Moll. pi. 32. f. 4. 

 Helix mora, Gray. 



Eab. ? 



A well-defined species of obliquely depressed solid 

 growth, characterized by a broadly flattened callous de- 

 posit in the place of the umbilicus. 



