128 PUPOIDES. 



Arabia: Aden (Paladilhe). 



Bulimus samavaensis (Mousson MS.) PALADILHE, Ami. 

 Mus. Civ. di Stor. Nat. Geneva, iii, 1872, p. 14, pi. 1, f. 20, 21. 



Specimens submitted by Paladilhe to Mousson were consid- 

 ered by the latter the same as his then undescribed B. sama- 

 vaensis from the Euphrates. Subsequently Mousson described 

 this or a closely related form as Buliminus samavaensis (Jour- 

 nal de Conchyliologie, 1874, p. 38), from riverside thickets at 

 Samava, where it is abundant. He mentions having- a closely 

 similar form from Aden, and three specimens from the island 

 of Ghaes in the Persian Gulf. As Paladilhe had already de- 

 fined the Aden form under the name samavaensis, Mousson 's 

 description need not be quoted. Bourguignat considered this 

 or another Samava form distinct, describing it as B. euphra- 

 ticus. 



lOc. Bulimus euphraticus Bgt. Shell rimate, obesely ovate 

 and ventricose, subopaque, corneous, obliquely and very 

 sharply striate. Spire acuminate-subelongate, apex very 

 large, smooth, glossy obtuse ; whorls 5y 2 , convex, regularly in- 

 creasing, parted by an impressed suture, the last % the 

 length, rotund, ascending to the lip insertion. Aperture ob- 

 lique, lunate, seniirotund ; peristome corneous, thick, flatly 

 expanded and acutely reflected ; columella deep within, 

 straight ; margins rather approaching, joined by a very thin 

 callus bearing a tooth at the insertion of the lip. Length 4i/o, 

 diam 2 1 /-} mm. 



This Bulime, which has been confused with the B. sama- 

 vaensis, inhabits the banks of the Euphrates in the neighbor- 

 hood of Samava (Bourguignat, Species Novissima? etc., 1876, 

 p. 22). 



10d Bulimus maharasicus Bgt. Shell rimate, obesely tumid, 

 oblong, buff-corneous, obliquely very sharply striatulate. 

 Spire oblong-acuminate and slightly ventricose, apex obtuse, 

 smooth. Whorls 6, convex, regularly increasing, separated 

 by a moderately impressed suture, the last whorl % the 

 length, rotund, at the aperture slowly but strongly ascending. 

 Aperture nearly vertical, lunate, semirotund, rather thrown 

 to the right ; peristome corneous, thick, robust, broadly and 

 flatly expanded and acutely reflected throughout; columellar 

 margin broadly expanded; margins rather remote, joined by 

 a thin callus bearing a tooth at the insertion of the lip. 

 Length 6, diam. 2% mm. (Bourguignat, Species Novissimse, 

 Moll., 1876, p. 21). 



