Mr. W. H. Benson on new species of Helices. 215 



angulato-lunari, subsecuriformi ; peristomate tenui, simplice, mar- 

 gine columellari superne brevissime reflexo. 2;;; 



Diam. major 22, minor 1 9, alt. 1 1 mill. 



Hab. in sylvis ad apicem montimn " Nilgberies," Indiae meridionalis. 

 Jerdon. 



This form seems to rank between the perforate H. anceps, H. 

 Indica, &c., and the umbilicated H. Guerini, H. retifera, &c. At 

 first sight it has the aspect of a depressed and mnch-carinated 

 dextrorse Helix interrupta, Bens., a species which is, however, 

 invariably sinistrorse. 



5. Helix r eg alls J nobis, n. s. 



T. perforata, sinistrorsa, conoideo-depressa, carinata, eleganter fasciata 

 vel unicolori ; anfractibus 6, angustis, subplanatis, supra striis acute 

 corrugatis, obliquis, strias spirales decussantibus, medianis obsolete 

 noduloso-costatis, ultimo carinato, carina infra compressa, subtus 

 nitido, convexo, radiato-striato, striis circularibus versus umbilicum 

 obsoletis ; periomphalo excavato ; apertura obliqua, subsecuriformi, 

 peristomate acuto, margine inferiori arcuato, versus umbilicum 

 sinuato, columellari brevissime reflexo. 



The following is a more extended description of the differences 

 observable in the specimens examined : — 



A. costis inconspicuis ; anfractibus supra fascia media luteo-fusca, 

 utrinque linea fusco-nigra marginata, fasciisque albido-csesiis mar- 

 ginalibus ornatis, ultimo subtus fascia media, cinereo-lutea, lata, 

 utrinque fascia angusta purpureo-fusca cincta, margine albido, pe- 

 riomphalo albido-luteo. 



B. unicolori, extus intusque purpureo-fusca, costis magis conspicuis. 



Diam. maj. 27, minor 2.5, axis 13 mill. 



Hab. ad Sarawak, Insulse Borneo. Teste W. Taylor. 



A couple of specimens of each variety, found on the ground, 

 in jungle, near Sir Jas. Brooke^s house at Sarawak, were brought 

 to England by Lieut. W. Taylor, Madras Artillery, to whom I 

 am indebted for an example of each kind. The subnodulous 

 costate appearance of the whorls, above the ultimate one, forms a 

 very peculiar feature in this handsome sinistrorse species. 



The following corrected and more extended characters of a 

 fine and remarkable East Indian Helix, published by me in the 

 Journal of the Asiatic Society of Calcutta for 1836, and copied 

 thence into Pfeiffer^s ' Monograph,^ will not be out of place here. 



6. Helix OxyteSj nobis. Amended character. 



T. late umbilicata, orbiculari, depressa, oblique subplicata, ferrugineo- 

 cornea, spira convexa, apice planato ; anfractibus ^y^ subplanatis, 

 contabulatis, ultimo carinato, subtus tumidiusculo ; sutura vix mar- 

 ginata ; apertura s\ibquadrato-hmata, valde obliqua, intus albida. 



