pulmonata. 99 



73. Nanina ryssolemma. 



Shell sinistral, orbicular, solid, opake, yellowish-fuscous above, 

 sculptured with serial coarse impressions, paler beneath, nearly 

 smooth, whitish in the umbilical region ; spire scarcely raised, very 

 blunt; whorls five and a half, flattened, the last angled, but round- 

 ed towards the aperture, ventricose beneath, slightly descending 

 towards the umbilicus, which is wide and deep ; aperture very 

 oblique, roundish-lunate, pearly within, with a fuscous edge; 

 peristome straight, sharp, with the xnargins joined by a rather 

 thick callus ; columellar margin rectilinear, produced above into 

 a triangular lamina. Height 19, greatest breadth 40, least 

 breadth 33 mill. {Alb.) 



Nanina ryssolemma, Albers in Z.f. M. 1852, p. 86. 

 Helix ryssolemma, Pfr. Mon. Suppl. 634. 



Hab. Java? 



h. Philipjyine Islands. 



74. Nanina gradata. 



Shell imperforate, globose-turbinate, striatulate, thin, hyaline ; 

 spire tm-binated, ajiex acute ; whorls six, slightly convex, gra- 

 duated, the last acutely keeled in the middle, convex beneath, 

 imder a lens very minutely striated concentrically ; aperture 

 squarish-lunar ; peristome simple, acute, columellar margin 

 slightly and verticallv descending. Lat. maj. 5, min. 4f, alt. 5 

 mill. 



Helix scalarina, Pfr. Proc. Zool. Soc. 1846, p. 110; in Z.f. M. 



1851, p. 128. 

 Hehx gradata, Pfr. Mon. i. 38. n. 60 (not Gould). 



Reeve, n. 165. t. 37. 

 Hab. Leyte, Phihppiues. 



75. Nanina fulvida. B.M. 



Shell subperforatcd, globosely-turbinated, thin, pellucid, pale 

 fulvescent, very closely granulose above (under a lens), glabrous 

 beneath, bright ; spire elate, apex obtuse ; whorls five and a half, 

 the highest ])laue, the last one and a half rounded; aperture 

 lunar ; peristome simple ; columellar margin slightly thickened, 

 reflected at the obsolete perforation. Lat. maj. 31, min. 2/2, 

 alt. 22 mill. 



Helix fulvida, Pfr. Proc. Zool. Soc. 1842, p. 87. 

 Phil. Icon. i. 2. p. 21. t. 2. f. 2. 

 Chemn. ed. 2, Helix, n. 171. t. 31. f. 11, 12. 



f2 



