ARIOPHANTA. 29 



b. Sculpture of decussating lines and of oblique 



shallow grooves and low ridges basileus. 



beddomii. 



c. Whorls transversely striated, without decussation 



or grooves chenui. 



Juliana, 

 maderaspatana. 

 gassii. 

 solata. 



I. Sinistrorse. (AEIOPHANTA.) 



A. Perforate or very narrowly umbilicated. 



a. Not horny : banded spirally above, or white or brown throughout. 



[a'. Radula with a very narrow band of median teeth. The left 

 dorsal lobe divided.] 



51. Ariophanta laevipes, Mull. (Helix) Hist. Ver. ii, p. 22 (1774) ; 

 Pfr. (Helix) Mon. Hel i, 1847, p. 71 ; id. t. c. iii, 1853, p. 75 ; id. 

 t. c. vii. 1876, p. 128 ; Nev. (Nanina- Ariophanta) Hand-l. i, 1878, 

 p. 19; 'Godwin-Austen,, J. A. S. B. xlix, 1880, p. 154, pi. 10, fig. 3 

 (animal) ; id. Mol. 2nd. i, 1898, p. 133, pi. 33, fig. 7, pi. 34, fig. 1 

 (animal) ; ii, p. 81, pi. 80, fig. 5 (anatomy), pi. 82, fig. 4 (radula), 

 p. 135. 



Helix trifasciata, Chemn., Mart, fy Chemn. Syst. Conch.-Cab. xi, 

 p. 308, pi. 213, figs. 3018-19 (1795) ; Pfr. Mon. Hel. iii, 1853, 

 p. 76; id. t. c. vii, 1876, p. 128; H. $ T. C. I. 1876, pi. 131, 

 fig. 4. 



Shell depressed, rather thin, obliquely striated and decussated 

 with fine spiral lines above, smooth beneath, white or whitish 

 with three spiral chestnut bands ; spire low, conoidal ; whorls 5, 



Fig. 18. Ariophanta Icsmpes. \. 



slightly convex, the last rounded beneath, angulate at the peri- 

 phery, the angulation generally disappearing near the mouth ; 

 aperture lunate, diagonal ; peristome in one plane, simple above, 

 slightly thickened and reflected below. 



