94 PERNANDEZIA. 



II. Columella longer, the fold weaker and nearer the base. 



a Length of aperture more than half that of the shell ; 

 11 x 6 mm., aperture 6 mm., with 5 to 6 whorls. 



bulimoides, no. 1. 

 consimilis, no. 2. 

 a 1 Aperture less than half as long as the shell. 



b 12 x 5y 2 , aperture 5 mm., whorls 8 ; columella 

 deeply twisted. conifera, no. 8. 



& 1 9.9x4, aperture 4 mm., whorls T 1 /^ ; columella 

 straight above, weakly folded below. 



longa, no. 10. 

 fc 2 7 x 3 mm. ; columellar fold strong. 



splendida, no. 9. 



& a 6.6 x 3, aperture 3 mm., whorls 6, striate, colu- 

 mellar fold small. tryoni, no. 6. 

 6 4 9 x 414, aperture 4 mm., whorls 6%, weakly 

 plicate below suture. inornata, no. 7. 



1. F. BULIMOIDES (Pfeiffer). PL 14, fig. 4. 



11 Shell ovate-conic, thin, striatulate, covered with a pel- 

 lucid corneous-buff epidermis. Spire conic, acute; whorls 

 51/2, scarcely convex, the last more swollen, as long as the 

 spire. Columella twisted above, thread-like, very obsoletely 

 truncated above the base of the broad, semioval aperture, 

 provided with a thin callus covering the ventral part of the 

 preceding whorl. Peristome simple, thin. Length 11, diam. 

 6, aperture 6x3.5 mm." (P/r.). 



Juan Fernandez (Cuming; Challenger Exped.). 



Achatina bulimoides PFR., P. Z. S. 1846, p. 116 (Jan. 26, 

 1847) ; Monogr. ii, 271. REEVE, Conch. Icon, v, pi. 19, f. 103 

 (June, 1849). Spiraxis &., PFR. Monogr. iii, 472; vi, 193. 

 Stenogyra (Nothus) &., E. A. Smith, P. Z. S. 1884, p. 280 

 (Juan Fernandez, "Challenger" Exped.). 



2. F. CONSIMILIS (Reeve). PL 14, fig. 11. 



"Shell conically ovate, rather ventricose, whorls 5 to 6, 

 rather flatly convex, finely striated, shining, columella short, 



