526 PROCEEDINGS OF THE ACADEMY OF [Sept., 



Cedar Hill, Garrett's woods and Lower Santa Cruz road, near Mande- 

 ville; ridge near Lincoln; Somerset. 



Descriptions of New Species. 

 Zaphysema buddiana avus n. subsp. 



The shell has the sub-globular, somewhat depressed shape of Z. 

 buddiana, but is very much larger with about the same number of 

 whorls. The spire is low and very obtuse. The surface, where 

 unworn, shows delicate and rather close punctation, as in the typical 

 form. 



Alt. 24, diam. 30^ mm. ; whorls 4£. 

 " 25, " 30 " " 4£. 



Westmoreland. Types No. 795, A. N. S. P., collected by W. J. 

 Holland, and received with the A. D. Brown collection. 



Proserpinula margaritella i»- sp. Fig. 6. 



The shell is subdiscoidal, biconvex; thin, polished, very faintly 

 marked with minute growth-lines. Spire low, convex. Whorls 4, 



Fig. 6. — Proserpinula margaritella. 



moderately convex, joined by a distinctly impressed suture, the last 

 rounded peripherally, the base depressed, deeply sunken at the axis, 

 though there is no true umbilicus. The aperture is slightly oblique, 

 of a broad, depressed lunate shape. Peristome simple, the outer lip 

 evenly arcuate; basal margin straightened, columellar margin veiy 

 short and arcuate; not thickened. Central callus very small and 

 extremely thin. There is no perceptible internal callus and no teeth 

 or lamellae. Alt. 1.75, diam. 3.8 mm. 



Wesley Mount Church, one mile south of Williamsfield. Types 

 No. 101,430, A. N. S. P., collected by Dr. A. P. Brown, 1910. Other 

 specimens were taken in the neighborhood of Mandeville, exact 

 locality not noted. 



This species is related to P. discoidea (C. B. Ad.), but it differs by 

 the comparatively wider spire and much narrower last whorl (as seen 



