HELIX-CANDIDULA. 159 



shell ; solid, opaque, whitish, begirt by numerous unequal bands and 

 lines, 'which may be either interrupted, faint brown or corneous-brown, 

 or dark brown and nearly continuous ; a supra-peripheral stronger 

 band generally developed, the periphery itself marked by a white line'. 

 Surface finely, closely and very distinctly striated, equally above and 

 below. 



Spire somewhat convex; apex obtuse, the earlier 1? whorls 

 corneous. Whorls 5J, slightly convex, slowly increasing, the last 

 much wider, rounded at the periphery, usually very obsoletely 

 angled at its origin, shortly descending in front. Aperture oblique, 

 transversely oval, slightly lunate ; peristome thin, thickened within 

 by a strong white rib. 



Alt. 6i diam. 11 mill. 



Alt. 5, diam. 8 mill. 



Near Paris, Lagny, etc., France. 



H. heripensis MAB., Bull. Soc. Zool. Fr. 1877, p. 304. West., 

 Fauna, p. 265. H. solaciaca MAB., I. c. 



The regular, fine striation and very rapidly narrowing umbilicus, 

 showing less than one whorl, are characteristic. Compared with H. 

 trepidula this species is much more regularly, strongly striated and 

 less angular at the periphery. 



A large number of specimens is before me, sent by A. Locard, 

 exhibiting considerable variation in color and size. 



Var. solaciaca Mabille. PL 44, figs. 83, 84. 



Agrees with heripensis in the delicate, regular rib-striation, the 

 very rapidly narrowing umbilicus, etc. Color-pattern as in herip- 

 ensis, but bands rather pale and upper surface sometimes radially 

 streaked. Differs from heripensis only in the somewhat mere robust, 

 swollen body- whorl. Alt. 7i, diam. 12 mill. 



This is the merest local form of heripensis, not really worth a 

 name. The specimens before me are from Locard. 



H. LOROGLOSSICOLA Mabille. PL 44, figs. 88, 89. 



Shell depressed, umbilicated, the umbilicus rapidly narrowing to a 

 mere perforation, and showing hardly more than a half-whorl; its 

 width contained 6 times in the diameter of the shell; solid, opaque, 

 chalk-white or of a light brown tint with a white peripheral line, 

 sometimes unicolored but usually showing traces of few or many 

 light brown bands, of which one alcove and another below the periph- 



