CHONDRIN.E OF THE PYRENEAN CENTER. 41 



not been determined, and even reliable Spanish records are 

 lacking. M. Morelet at one time cited lusitanica as P. secale, 

 a species not found in Portugal. The best recent account of 

 lusitanica is that of Nobre. 



25. CHONDRINA CALPICA (West.). PI. 3, figs. 10, 11. 



Shell perforate, ovate-turrited, horn-yellow, often densely 

 suffused with bluish, ribbed; 7y 2 whorls, the upper convex, 

 the last depressed on the neck, somewhat compressed at the 

 base, ascending above. Aperture oblong-semiovate, with 6 

 strong white, immersed lamellae and plicae : 1 parietal lamella, 

 2 columellar, the lower one very small ; palatal folds 3, the 

 upper very long; peristome thin, simple, acute; outer margin 

 strongly arched above. Length 7, diam. 3 mm. (West.). 



Gibraltar: along the way from the city to the fortress (J. 

 Lindahl ) . 



Pupa calpica WESTERLUND, Nachrbl. d. Mai. Ges., 1872, p. 

 27 ; Malak. Bl., xxii, 1874, p. 58, pi. 2, f. 6-8 ; Fauna, iii, 1887, 

 p. 103. PFR., Monogr., viii, 386. KOBELT, Iconogr. n. F., ix, 

 1902, p. 70, f. 1694. 



The angular lamella is rudimentary or obsolete. In fresh 

 shells (Westerlund's had been preserved in spirits) the color 

 is carob-brown or chocolate, fading more or less upward, but 

 sometimes the whole tint is lighter, nearer walnut-brown. 

 Sometimes there is a small suprapalatal plica, as in fig. 11. 

 Length 6.5, diam. 2.8 mm. It is related to tingitana. 



26. CHONDRINA TINGITANA (Kobelt). PI. 3, fig. 9. 



Shell rimate-perforate, fusiform-turrited, the spire slender; 

 corneous; sculptured with oblique, rather widely spaced, ar- 

 cuate ribs; 7 slowly increasing whorls, separated by a deep 

 suture, the last nearly twice as long as the penult, the base 

 compressed in an obtuse crest. Aperture ovate, somewhat ob- 

 lique, with the margins of peristome converging, joined by a 

 thin callous, subtuberculiferous near the insertion of the outer 

 lip ; contracted within by 6 lamella? : one compressed parietal ; 

 two, the upper larger, in the basal [columellar] margin; 3 

 parallel in the outer margin. Alt. 7.5; a variety is smaller 

 and more swollen (Kobelt). 



