34 



SPECIES OF PLECTOPYLIS RECENTLY DESCRIBED 

 IN "SCIENCE GOSSIP."^ 



By G. K. GUDE, F.Z.S., 

 London. 



Plectopylis blanda, Gude. 



Shell sinistral, depressed conical, widely and deeply umbilicated, 

 whitish-corneous, finely and regularly ribbed. Spire conical, apex 

 prominent, suture distinctly impressed. Whorls six, tumid above, 

 rounded below, increasing very slowly and regularly, the last not 

 descending in front, angulated above the periphery and round the 

 wide perspective umbilicus. The cuticle is produced into deciduous 

 hairs on the ribs, forming spiral rows. Aperture oblique, lunate, a 

 little flattened on the upper, outer margin. Peristome white, a little 

 thickened and reflexed, the margins united by a slight, flexuous ridge 

 on the parietal callus. Parietal wall with a strong, vertical plate, 

 slightly deflected anteriorly and having two minute denticles posteriorly, 

 the upper vertically the lower horizontally elongated. A very thin 

 horizontal fold occurs below the vertical plate and a very short fold 

 above it. Palatal folds in two series; the anterior consisting of six 

 thin horizontal folds, the first and sixth a little shorter and placed a 

 little further back than the other four; the posterior series consists of 

 four very short folds or denticles. — Major diameter, 6 mm. ; minor 

 diameter, 5 mm. ; altitude, 3 mm. 



Hah. — Naga Hills, Assam. Type in my collection. 



A single specimen received by the writer under the name of 

 Plectopylis minor, from the Naga Hills, was sent to Lieut.-Col. Godwin- 

 Austen for examination, and was found by him to be a new species. 



e / 



Fig. II. — Plectopylis blanda, Gude. 



I Reprinted from "Science Gossip," N.S. vol. iv, i£ 



By kind permission of the Editor. 



