SCHKPMAN: non-marine MOLLUSCA from JAVA. 237 



23. Melania sp. 



Jlah. — Tiintang River, October, 1910. Tliree specimens. 



The collection contains three ribbed specimens, one large one, 

 which is too much eroded for identification and lias the aperture 

 broken, and two small specimens too young for determination. 



24. Melania scabra, Miill., var. mutica, v. Martens. 



V. Martens, Siiss - u. Brackw. Moll, des Ind. Archipels, p. 64, pi. iv, 

 figs. 9-12; Brot, Maitini-Cheran. Conch. Cab., 2nd ed., Melanidse, 

 p. 268, pi. xxvii, tigs, \-\d-e. 

 Sab. — Tuntang River, October, 1910. Three specimens. 

 These specimens differ from the type by the obsolete libs of the 

 upper whorls, which are entirely lacking on the last whorl, and in 

 one shell even on the pennltimate whorl; this latter specimen has 

 dark spots below the suture and near tiie periphery, and agrees in 

 this respect with Rrot's fig. 15« of the same plate. 



25. Leptopoma altum, MollendorfF. 

 MolleiidorfF, Nachrichtsbl. d. Deutschen Malak. Gesellsch., 1897, p. 90. 



Ilah. — Nusa Kambangan, March, 1911. One specimen. 



This operciilate land shell sufficiently agrees wnth v. McillendorfF's 

 description, as far as concerns shape and sculptnre ; in colour it better 

 agrees with one of the specimens received from Fruhstorfer, and 

 identified by the author, the last whorl of the specimen under 

 consideration being for a large part yellowish-brown, with exception 

 of a narrow peripheral band, a larger basal zone, and a few narrow 

 infrasutural zones whicdi are whitish. The species seems to be rather 

 variable in colour-markings. 



26. Lagochilus trochifoumis, n.sp. PL X, Figs. 14-16. 



Shell narrowly umbilicated, umbilicus partly covered ; shell sub- 

 conical, with high spire, rather solid, sub-pellucid, yellowish, with 

 purple-brown flames, reaching in last whorl from suture to the 

 interior of umbilicus. Whorls 54-, convex, about two upper ones 

 forming a smooth, shining, dark, corneous apex ; suture deep. 

 Sculpture consisting of fine spiral striae and stronger spiral lirae, four 

 in number on penultimate whorl, about eight on last whorl, and 

 a few fainter ones ; the whorls are crossed by conspicuous oblique 

 growth-lines ; rather short black hairs are visible on some parts of the 

 lirae, and shorter ones on other parts, but they are mostly rubbed off. 

 Aperture nearly circular, above with the characteristic incision, 

 diiigonal, ])artly double, the interior margin with a narrow, bluish- 

 white, thickened rim, external one narrow, formed of several corneous 

 layers. Interior of aperture flamed hy the transparency of shell. 

 Alt. 6-5, lat. 6 mm. ; apert alt. (diagonally) 2-75, lat. 2-5 mm. 



Ilah. — Gunung TJngaran, September, 1910. One specimen in ray 

 collection. 



This species is the highest one known from Java. L. convexum, 



