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Show 102 MR. G. NEVILL ON THE [Feb. 1 7, forming a more distinct and more triangular lunule than, I believe, in any other species of the genus ; the back, too, is more regularly, closety, and deeply sulcate. Type, Indian Museum, Calcutta ; also in coll. J. R. Bourguignat and Coombe Williams. DAUDEBARDIA ISSELIANA, n. sp. (Plate XIII. fig. 2.) T. umbilicata, applanata, sat fragilis, nitidissima, pallide cornea apex paululum lateralis ; anfract. 3, haud compressi, celerrime crescentes, vix convexiusculi, sutura impressa separati, ultimo valde dilatato; apertura transverse oblonga, oblique elongata (haud " rotundato-ovalis " sicut D. rufa), margine externo lente subrotundato, marginibus callo tenui junctis, columellari incras-sato, subrecto, ad basim subangulato. Long. 4-j, lat. 2-fo millim. Compared with the three German species, D. isseliana is nearest D. rufa, from which it can be at once distinguished by its greater proportional breadth, caused by the much more rapidly increasing, slightly less convex whorls (apparent in all three, not only in the last one); the apex is less central, the texture a trifle stouter and more polished; the aperture, instead of being ovally rounded, is regularly transversely oblong, the outer margin being scarcely arcuate, instead of markedly so (that is, much more gradually rounded); and the columellar much less oblique, thicker, and altogether more prominent, more subangulate at its base. Daud. nubigena, Bourg., from Algeria (Moll. nouv. & c , xi. & xii. fasc. pl. iv.), is even nearer ; but is a less elongately produced shell, less appressed, the aperture more rounded and not subangulate at the columella, which is more oblique and less prominent. This species appears to have been very rare: with difficulty I found, in deposit B only five specimens, Mr. Williams obtaining about the same number. Type, Indian Museum, Calcutta; also in coll. J. Rene Bourguignat and Coombe Williams. VITRINA (OLIGOLIMAX), n. sp. A single specimen, from deposit B, was all we could find of this interesting form. I think it better under these circumstances not to describe the species ; I will only mention that the narrow perforation is quite distinct. Unique specimen in Indian Museum, Calcutta. LIMAX AGRESTIS, Linnseus. Not uncommon in the submaritime zone. LIMAX, sp. W e found many hundred subfossil shells of this genus in deposits, evidently belonging to at least four or five different species; one common, fine and well-marked form measures, long. 10, lat. 4f, crass. 2 millim. |