ABIDA. 291 



ing, the last strongly compressed beneath. Aperture irregu- 

 larly oblong-rounded, vertical, with 7 lamellae and folds: 2 

 parietal; 2 columellar, strong and very deeply placed; 3 

 palatal folds, the first marginal, interrupted in the middle, 

 second strong, somewhat retreating, third small, immersed. 

 Peristonie thick, continuous, reflected throughout, weakly con- 

 nected. Length 9, diam. 2 l / 2 -2% mm. (West.). 



France : Ariege. Also Spanish slope of the Pyrenees at 

 Port de Salau, 1800 or 2000 meters elevation (Bofill). 



Pupa aulusensis Fagot, Moll. terr. et d'eau douce, vallee 

 d'Aulus, Bull. Soc. Agric. Pyr.-Or., 1879, p. 23, fig. 1; An- 

 uales de Malac., ii, p. 189. BOFILL, Bull. Soc. Malac. France, 

 vii, 1890, p. 266. WESTERLUND, Fauna, iii, 1887, p. 113. 



Not having seen Fagot's paper, the description is taken 

 from Westerlund. 



18. ABIDA OCCIDENTALIS ('Fagot' Wester!.). 



Shell narrowly perforate-rimate, elongate, oblong-conic or 

 cylindroid-fusiform, slowly tapering almost from the last 

 whorl, very densely and regularly striate, corneous-brown. 

 Whorls 9-9 !/2, convex, slowly and regularly increasing, the 

 last compressed below, slowly ascending above. Aperture 

 oval-rotund; angular and parietal folds short and strong, 

 neither marginal; columellar lamellae 2 (the first immersed, 

 strong, the second smaller, very deeply placed, scarcely vis- 

 ible) ; palatal laminae 4 (first small, immersed, second and 

 third marginal, fourth short, basal), all produced equally to 

 the middle of the last whorl. Peristonie continuous, white, 

 free and produced. Length 7, width 2.33 mm. (Pupa (Tor- 

 quilla) occidentalis Westerlund, Verh. zool.-bot. Ges. Wien, 

 xlii, 1892, p. 37). 



France: Valle Gave de Pan (Hautes-Pyrenees). Also a 

 Pupa affinis form, or belonging to the division containing 

 Pupa pyren&aria (Boub.) Mich, (with P. auluseivsis Fag., P. 

 attenuata Fag., P. vcrgniesiana (Ch.) Kstr. and P. clausili- 

 oides Boub.) (West.). 



19. ABIDA PETROPHILA (Fagot). PI. 44, fig. 13. 



It differs from, pyrencearia (1) by the less prominent and 

 more spaced costulaa; (2) by the last whorl more contracted 



