1 1 2 THE LA.JTD AXD FRESHWATER MOLLTfSCA 0? DORSETSHIRE. 



Shell sub-conical, slightly convex above and below, thin, fragile, 

 very glossy, yellowish-brown, marked with strong, irregular trans- 

 verse wrinklos: whorls four to five, the last slightly keeled, occupy- 

 ing rather more than one-half of the shell; spire a little raised, 

 obtuse ; suture not deep ; mouth rather large, crescent shaped, con- 

 siderably broader than high ; no rib ; outer lip reflected over the 

 umbilicus and sharply inflected above ; umbilicus small and reduced 

 to a little more than a perforation. L.0.225. B.0.35. 



Hab. Woods, on young trees, brambles, osier-beds, East 

 J.ulworth (Kendall) -, Langton Matravers, on the left-hand side 

 of the lower road to Corfe Castle ( J.C.M.P.). 



12. H. PISANA, Midler, pi. 8. 



HELIX CIXGEXDA, Pult. cat., p. 53, pi. 18, fig. 5. Mont. Test. 

 Brit., p. 418, pi. 24, f. 4. 



Body yellow-grey above, reddish towards the head. 



Shell globular, not so convex above as below, thin, solid, moder- 

 ately glossy, yellowish-white, with brown spiral bands, sometimes 

 interrupted, or speckled; whorls five and a half, compressed 

 towards the suture, marked with indistinct fine, irregular, longitu- 

 dinal striae, which intersect the transverse ones, giving a reticu- 

 lated appearance to the surface, the last whorl occupies more than 

 one-half of the shell; spire slightly raised, but obtuse, summit 

 purplish-brown; suture shallow; mouth pinkish within, broadly 

 lunate, thickened internally, nearly as high as it is broad, with a rib 

 more or less rose-coloured ; outer lip reflected towards the umbilicus, 

 which is extremely small and narrow. L.0.5. B.0.75. 



Hab. Sandbanks, between Lul worth and Weymouth 

 (Pulteney). 



13. H. VIRGATA, Da Costa, pi. 8. 



Pult. cat., p. 47. Rack. ed. p. 53, pi. 20, fig. 7. Brit. Conch., 

 vol. i, p. 211, 213 ; Geology of Weyinouth, p. 234. 



Body yellowif h-white. 



Shell conical, raised more or less above, convex below, somewhat 

 opaque and solid, slightly glossy, white or cream-colour, with one 

 broad brown or chesnut band just above the periphery, other 

 bands more or less innumber above and below, entire or interrupted, 

 and reduced to spots or specks, longitudinal stria only : whorls six, 

 very convex, the last occupying more than one-half of the shell, 

 not keeled; spire purplish-brown at the point; mouth semi-lunar, 



