308 AZECA, COCHLICOPA. 



d'Azeca p. 9 (1876). DUPUY, Bull. Soc. d'hist nat. de Tou- 

 louse xiii, 1879, p. 49. 



Considered by Dupuy as at most only a variety of A, 

 boissii. 



Var. cylindrica (Massot). 



Shell smaller, more narrowly cylindric in shape, less swollen 

 at the base, and more obtuse above; whorls almost flat, the 

 suture less impressed ; aperture smaller, subrectangular, more 

 narrowly lengthened ; peristome but little thickened, the shell 

 itself thinner. Length 5, diarn. 1.75 mm. (Locard). 



Le mas d'Amont, near Coustouges, eastern Pyrenees. 



Ferussacia cylindrica MASSOT, Enum. Moll. Pyrenees-Orien- 

 tales 1872, p. 53. Zua cylindrica Massot, LOCARD, Ann. Sci. 

 d'Agricult, de Lyon (7 ser.), iii, 1895, p. 137. 



16. A. VASCONICA Kobelt. PI. 48, fig. 21. 



Shell regularly elongate-ovate, very thin, glassy-hyaline; 

 spire convexly conic, the apex rather obtuse. Whorls 6, a 

 little convex, parted by an obsoletely margined suture, slowly 

 and regularly increasing, the last whorl rounded, scarcely 

 as long as the spire. Aperture irregularly ovate, lunate, sub- 

 vertical, base receding; peristome very thin, the margins 

 joined by a translucent callus, outer margin produced in the 

 middle, eolumellar margin short, straightened, not truncate. 

 Length 3, diam. 1 mm. (Kobelt}. 



N.-E. Spain : in the Basque country, on the grassy outliers 

 of the depression (concha) of Orduna, with Cryptazeca 

 monodonta. (Kobelt.) 



Ferussacia (HypnopMla f) vasconica KOBELT, Iconogra- 

 phie Land und Siisswasser Mollusken, neue Folge, vii, 1896, 

 p. 37, pi. 188, f. 1200. 



Half the size of A. boissii, relatively more obese, and quite 

 transparent. 



Genus COCHLICOPA 'Fer.' Risso. 



Cochlicopa FERUSSAC (in part), Tabl. Syst., 1821, p. 50. 

 Risso, Hist. Nat. Eur. Merid. iv, 1826, p. 79, for C. lubrica 

 only. 



