60 PEECY BLADEN TKUST EXPEDITION. 



whorls 8, the last measuring about f of the entire shell, flattened, suture well marked ; 

 mouth lunate, edentulous, the lip thickened and receding at the base, the columellar 

 margin slanting and a trifle twisted. 



Alt. 4'5 ; diam. max. 13 millim. 



Mab. Mahe : Mountain Forest, Cascade. 



A single specimen, far smaller than any other Seychelles form. 



Fig. 2. 



Ennea thomasseti, x 6. 



8. Acanthennea eriuaceus (Martens). 



Ennea [Acanthennea) eriuaceus, Martens, Bit. Zool. Mus. Berlin, i. (1898) p. 8; Wiegmauu, i. c. 

 p. 45. 



Mahe : Cascade Forest. 2000 feet ; Mt. Alphonse, Cascade, 1800 feet. 

 A nice sei'ies of this interesting form. 



9. Streptaxis sovleyetianus (Petit). 



Helix souleyetiana, Petit, Rev. Zool. 1841, p. 99. 

 Streptaxis souleyetianus. Petit ; Martens, /. c. p. 10. 



Malie : Mt. Alphonse, Cascade, 1800 feet ; Mountain Forest, Cascade, 2000 feet ; 

 Chateau Margot, 1600 feet ; Trois Freres, 2000 feet ; Bel Ombre. 

 Pi'aslin : Valley of Coco de Mer. 

 Silhouette. 



10. Streijtaxis [Imperturbatia) constans (Martens). 

 Streptaxis (Imperturbatia) constans, Martens, I. c. p. 11. 



Mahe : Cascade Forest, 2000 feet ; Mt. Alphonse, Cascade, 1800 feet. 

 Silhouette. 



From the latter locality a large form with the sculpture not so marked, especially 

 below, but I think it is only a local race. 



11. Streptaxis {Imperturbatia) perelegans. Martens. 



Streptaxis {Imperturbatia) perelegans. Martens, /. c. p. 12. 

 Mahe : Cascade Forest ; Mt. Sebert, 1800 feet. 



