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. 81/4, diam. 3*4 millim. 



Long. 8y 2 , diam. 3y 2 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). PI. 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. 

 (Bgt.}. 



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 1'Algerie 

 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). Ackatiua palustris 

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



F. gronoviana differs by the smaller size, less ventricose 



