CHONDRIN.E OP THE PYRENEAN CENTER. 37 



ate), with oblique apex. Whorls 7-8, somewhat convex, the 

 upper very rapidly increasing, the two before the last nearly 

 equal, the last anteriorly obtusely angular above ; flattened in 

 the middle, strongly blunt-keeled at the base. Aperture oval, 

 with 2 parietal lamellae (the angular lamella long, interrupted 

 deep within) ; 2 columellar lamellae, strong and horizontal; 4 

 palatal plicae (the first very short, deep within, the rest very 

 long, interrupted, the second nearly reaching the margin. 

 Peristome narrowly expanded, brownish yellow ; margins sep- 

 arated, the outer lip more arcuate above. Length 5-G 1 /^, diam. 

 2-21/2 nim. Pyrenees. (Pupa schist a Westerlund, Fauna Pal. 

 Reg. Binnenconch., iii, 1887, p. 112.) 



20. CHONDRINA HOSPITII (Fagot). Shell cylindric-conic, 

 corneous-buff, a little rufous, not glossy, striate; whorls 8, 

 convex, regular, the last a little larger, swollen in the middle, 

 compressed below, much ascending. Aperture lunate-oval, 

 large, with 2 parietal, 2 columellar and 3 or 4 palatal folds. 

 Angular lamella thin, entering ; parietal deep ; columellar 

 strong, immersed; 2 upper palatals subequal, the first some- 

 what immersed ; sometimes with a punctiform fourth palatal 

 fold. Peristome expanded throughout, white, thickened, the 

 external margin much incurved, columella arcuate. Length 

 7-8, diam. 2 mm. Spain : Venasque. (Pupa hospitii Fagot, 

 Cronica Cientifica, 1888, not seen; desc. from Westerlund, 

 Synopsis, 1897, p. 95.) 



PUPA ORTIGOSANA Fagot, of Ortigos (Logrona) is an unpub- 

 lished species mentioned by Caziot, Ann. Soc. Linn, de Lyon, 

 liii, 1907, p. 196, who placed it between hospitii Fag. and lusi- 

 tanica Rm. 



(b. Species of Central Spam,} 

 21. CHONDRINA GRATIOSA (West.). 



Shell rimate, oblong-turrited, cylindric, brown, delicately 

 rib-striate; whorls 7, convex. Aperture oblong-ovate, with 1 

 parietal, 2 columellar, 4 palatal folds (no angular; parietal 

 deeply placed, high, compressed and short ; columellars small, 

 immersed, white; 1st to 3d palatals remote, outwardly thick, 

 inwardly tapering, long and slender, the 4th basal, smallest, 

 punctiform, more deeply immersed). Peristome unexpanded, 

 thin, the margins distant, very lightly curved, the outer 

 shortly arcuate above. Length 4 mm. ( West.). 



