PULMONATA. 186 



Vitrina diaphana, Drap. Hist. 120. t. 8. f. 38, 39. 



C. Pfr. i. 48. t. 3. f. 2 ; iii. 55. 



Rossm. i. 73. f. 27. 



Charp. Cat. Moll. Suisse, p. 2. 



Beck, hid. p. 1. n. 2. 



L«7n. eel. Des^. vii. 728. n. 2. 



P/r. J/o7i. Helic. ii. 494. n. 4 ; Icon. t. 1. f. 30-33. 



DesA. 96 ^^ n. 4. 

 Vitrina pellucida, Voith. in Sturm, Fauna, si. H.3. t. 16. 



Blainv. Matac. 462. t. 41. f. 1. 

 Cobresia limacoides patera, Hiibner (Fer.). 

 Hyalina vitrea, Studer, Verz. 11. 

 Limacina \atrea a, Hartm. in Neue Alpina, i. 246. 

 Helix limacina, Alien, 81. t. 10. f. 19. 

 Helix virescens, Studer in Coxe's Travels. 

 Helix palliata, Hartm. in Alpina, ii. 

 Helicolimax vitrea, Fe'r. Pr. 5 ; Hist. t. 9. f. 4. 

 /3. Vitrina balina, Ziegler, olim. 

 y. Smaller. 



Vitrina nivalis, Charp. MSS. 

 Hab. Germany; Switzerland; France. 



5. Vitrina pyrenaica. 



Shell depressed, oval, shining, hyaline-green ; whorls two and 

 a half, rapidly increasing, the last depressed, narrow at the base, 

 surrounded by a very narrow membrane ; ajjertiire horizontal, 

 nearly regularly oval, with a very thin callus inside, margins ap- 

 proximate, dilated above the middle, subinflected, columellar 

 shghtly arched. Lat. 6 by 4, alt. 2^ mill. 



Hehcolimax pyTcnaica, Fer. Pr. 4 ; Hist. t. 9. f. 3. 

 Vitrina p\Tenaica, Gray, Ann. Phil, new ser. ix. 409. 



Pfr.'Mon. Helic. ii. 495. n. 5; Icon. t. 1. f. 34-37. 



Desk. 96 15. n. 5. 

 Hab. PjTcnees ; Valle Ossau, near the Pic du Midi. 



6. Vitrina elongata. B.M. 

 Shell much depressed, ear-shaped, very thin, smooth, bright, 



lutescent-hyaline ; s])ire punctiform, scarcely prominent ; whorls 

 scarcely two, the last elongated in front, linear at the base, di- 

 lated at the rather broad, membranous margin ; aperture almost 

 horizontal, oblong-oval, margins approximate, recurved above. 

 Lat. 4i by 3, alt. Ii mill. 



