614 PROCEEDINGS OF THE ACADEMY OF [DeC., 



NEW LAND MOLLUSCA OF THE JAPANESE EMPIRE 

 BY HENRY A. PILSBRY. 



Eulota (^gista) aperta v.u-. trachyderma Pils. and Gurte, iiov. 



Resembling E. aperta iu general characters, but smaller, more 

 depressed, less distinctly angular at the perij^hery in front, whorls 

 5^ to 5f ; base a little more widely umbilicate. Surface densely 

 clothed with short, crowded, thread-like cuticular processes, 

 visible only under a lens, and in large part rubbed off of most 

 specimens. Peristome thin, expanded, narrowly reflexed below. 



Alt. 6f, diam. 12 mm. 



Alt. 5, diam 10^ mm. 



Ikoma, Kii. Types No. 82,464, Coll. A. N. S. P, from No. 787 

 of Mr. Hirase's collection. 

 Eulota (Euhadra) luhuana var. pachya nov. 



A fossil form characterized by the thickness of the large shell, 

 the somewhat swollen latter third of the base, which is also swollen 

 immediately around th6 umbilicus. The peristome is very thick 

 and heavy, especially along the columellar margin. Traces of a 

 reddish band above the periphery, and copious opaque-white streaks 

 and flecks are visible on some specimens. The type measures, alt. 

 23, diam. 46 mm. 



Kikai-ga-shima, Oshiina group, Osumi. Types No. 81,921, 

 Coll. A. N. S. P., from No. 682 of Mr. Hirase's collection. 

 Eulota luhuana var. nesiotica nov. 



In this race the shell is rather small, comparatively smooth and 

 glossy, with slightly flattened base, passing into the umbilicus in a 

 regular curve, not in the least angular. Umbilicus much smaller 

 than in any other known form of luhuana, rapidly contracting 

 within. Yellow, either uniform or with reddish- brown bands 

 according to the formuhv 00300, 00340, 00345. 



Alt. 22^, diam. 35, diam. of umbilicus 3 mm.; whorls 6^. 



Alt. 20^, diam. 30|, diam. of umbilicus 2§ mm.; whorls 6. 



Tane-ga-shinia, Osumi (Mr. Y. Hirase, No. 736). 



