FEBUSSACIA. 227 



There is also a smaller form, of which I found only two speci- 

 mens (of which I also give measurements below), which might 

 be separated again as distinct. The aperture is very small." 

 (Nev.) 



Long. 8*4, diam. 3!/4 millim. 



Long. 8%, diam. 3% millim. 



Long. 7%, diam. 3 millim. (a small form, perhaps distinct) . 



All the preceding in Indian Museum, Calcutta. M. Bour- 

 guignat informs me by a letter that I sent him, from Menton, 

 specimens of Ferussacia vescoi, amblya, procchia, forbesi, and 

 abromea. He does not mention F. gronoviana." (Nevill.) 



8. F. VESCOI (Bourguignat). PL 41, figs. 47, 48, 49. 



Shell oblong-subventricose, rather solid, glossy, subpellucid, 

 corneous-buff; spire short, acuminate-tapering, the apex min- 

 ute, obtuse. Whorls 6, a little convex, irregularly increasing 

 (the first 3 regular, the fourth swollen on the right side and 

 rapidly widening, the rest more rapidly increasing) ; separ- 

 ated by a superficial, pale-margined suture; the last whorl 

 not half the total length. Aperture lunate-oblong; columella 

 strong, straight, whitish, callous and twisted within, reaching 

 to the base; peristome acute, unexpanded, a little thickened 

 with white inside, outer margin arching forward, margins 

 joined by a callus. Length 9, diam. 4, aperture 4 mm. 



Algeria, especially common around Algiers; Morocco; 

 Tunis; Portugal, Spain, Southern France, Italy, Sicily, Malta. 



Glandina vescoi BGT., Amen. Malac. i, (1856) p. 150, pi. 

 15, f . 2-4 (bad) . Ferussacia v., BGT., Amen. Malac. i, p. 203 ; 

 Malac. chat, d'lf, p. 23, pi. 2, f. 10-13; Malac. de TAlgerie 

 i, p. 44, pi. 3, f. 22-24, with var. lanceolata BGT., p. 43, pi. 3, 

 f . 25 ; Prodr. Malac. Tunisie, p. 117. PFR., Monogr. iv, 621 ; 

 vi, 249. POLLONERA, Bull. Soc. Malac. Ital. xii, p. 121, pi. 4, 

 f. 17 (teeth). F. vercoi PALADILHE, Rev. et Mag. Zool. 1875, 

 p. 89 (Tangier). Ferussacia ( ?) abnormis NEVILL, P. Z. S. 

 1880, p. 134, pi. 14, f. 3 (young). Achatina palustris 

 PARRYSS, teste Pfr., Nomencl. Hel. Viv. p. 337. 



F. gronoviana differs by the smaller size, less ventricose 



