1899.] NATURAL SCIENCES OF PHILADELPHIA. 527 



Eulota (^gista) aperta n. sp. PI. XXI, figs. 7, 8, 9. 



Shell perspectively umbilicate, the umbilicus exceeding one- 

 fourth the diameter, at first rapidly widening, showing much 

 of the penultimate whorl, then gradually narrowing. Corneous 

 brown. Surface dull, with fine wrinkles of growth, bearing cutic- 

 ular laminae which are in large part rubbed off in the speci- 

 mens described, and under a lens fine subobsolete spiral striae may 

 be seen on the base, at least in places. Spire low conoidal with 

 slightly convex lateral outlines. Whorls 5^, moderately convex, 

 slowly increasing, the last decidedly wider, rounded at the periph- 

 ery and beneath. Aperture quite oblique, subcircular, but 

 little excised by the penultimate whcrl; peristome thin, very 

 slightly expanded, more so below and on the columellar margin, 

 the latter scarcely dilated at the insertion. 



Alt. 8.4, greatest diam. 14.2, least 12.3 mm.; length and width 

 of aperture 6.2 mm. (including peristome). 



Toyonishikami, Prov. Nagato (Gaines). 



This is one of those Japanese Helices of uncertain position, Avith 

 the peristome less developed than in JEgista, more as in the Euro- 

 pean " Fruticicolas. " It is distinguished by the large umbilicus 

 and the minutely sliaggy cuticle. It has the form but not the 

 texture or color of Helix viacrocycloides Kobelt. 



Eulota cavicollis n. sp. PI. XXI, figs. 11, 12, 13. 



Shell openly and deeply umbilicated, the umbilicus ample, show- 

 ing all the whorls, its diameter contained 3i or four times in that 

 of the shell. Corneous brown. Surface dull, when quite unworn 

 clothed above with short compressed cuticular laminae which gather 

 and hold dirt, but usually these are worn off", leaving the surface 

 finely striated, the striae a little stronger toward the sutures, base 

 smoother. Spire elevated, the lateral outlines convex. Whorls 

 6^ to 7^, very narrow, closely coiled, slowly widening, the last one 

 abruptly and very deeply deflexed in front, constricted behind 

 the peristome. Aperture nearly horizontal, truncate oblong; 

 peristome thin, narrowly reflexed throughout, the upper margin 

 of the outer lip somewhat straightened or sinuous. 



Alt, 4, greater diam. 6^, lesser 6 mm, 



Alt. 4.7, greater diam. 6, lesser 5.7 mm. 



Kyoto (Marshall R. Gaines), 



