TRUNCATELLA. 



99 



Fig. 199. 



Triincatella bilaliiata, Pfr. — Shell subrimate, cylindrical, 

 elegaut, solid, opaque, brownisli ; ribs subarcuate, elevated, 

 obtuse, at equal distances ; suture deep and simple ; re- 

 maining whirls 4J to 5, convex, the last scarcely longer 

 than the others, heavy and subcompressed at base ; aper- 

 ture vertical, oval, scarcely angular above ; peristome 

 double, the outer one white, heavy, and terminating in the 

 basal ridge or carina, the inner one continuous. Length 5^, 

 breadth 1| ; length of aperture 1^ millimetres. 



Truncatella biluhiata, Pfeiffer in Wiegm. Arch. 1840, I, 

 253 ; in Zeit. f. Mai. 1846, 187 ; Mon. Auric. Viv. 

 192 ; Mon. Pneum. Viv. II, 8 ; Brit. Mus. Cat. 140.— 

 W. G. BiNNEY, T. M. IV, 188, pi. ixxv, f. 3, 7.— Chem- 

 nitz, ed. 2, p. 7, pi. i, f. 27-31. 



Florida, Cuba, Carmeu Island. 



Fig. 200. 



Truncatella pulchella, Pfr.— Shell subrimate, oblongly sub- 

 cylindrical, light, reddish horn-color or amber, shining, 

 pellucid, lightly ribbed ; ribs scarcely elevated, thread-like, 

 at irregular intervals, often more distinct at the moderate 

 suture ; remaining whirls 4 to 4^, rather convex, gradually 

 increasing in size, the last generally smooth below the 

 middle, compressly carinated at its base ; aperture sub- 

 vertical, obliquely elliptical, enlarging at base ; peristome 

 simple, continuous, somewhat expanding, and furnished 

 with a slight ridge at its right extremity. Length 40-5, of 

 aperture 1§ mill. 



Truncatella pulchella, Pfeiffer in Wiegm. Arch. 1839, I, 

 356 ; in Zeitsch. f. Mai. 1846, 186 ; in Mon. Auric. 

 Viv. 192 ; Mon. Pnenm. Viv. II, 8 ; Brit. Mus. 140. 

 — W. G. Binney, T. M. IV, 189, pi. Ixxv, f. 1, 9, 10. 

 — Chemnitz, ed. 2, Auric. 10, pi. ii, f. 11-15. 



Florida. Also a West Indian species. 



Cat. No. 

 8533 



No.ofSp. 



Locality. 



Florida. 



From whom received. 



W. G. Binney. 



Cabinet series. 



