PULMONATA. 91 



Helix citrinoides, Grat. ibid. 161. 



Helix commendabilis, Fer. Pr. 235 (Grat.). 



Helix Juliana, Chemn. ed. 2, Helix, n. 180. t. 33. f. 15-17- 



Pfr. Moil. Helic. i.44 ; Ic. i. 211. 



Fer. Hist. t. 88. f. 1 ? 



Reeve, n. 3/3. t. 72. 



Hab. Ceylon. 



50. Nanina Gardeneri. B.M. 



Shell subperforated, turbinated, solid, decussated with longi- 

 tudinal and more distant spiral striae, bright chestnut ; spire ele- 

 vated, rather acute ; whorls six and a half, slightly convex, the 

 last larger, nearly smooth, ornamented at the margins with a 

 white zone ; ajierture obliquely lunar, white inside ; peristome 

 simple, straight, columellar margin slightly thickened, rather 

 dilated above, nearly closing the perforation. Lat. maj. 22, min. 

 19, alt. 16 mill. 



Helix Gardeneri, Pfr. in Proc. Zool. Soc. 1847, 229 ; Mon. 

 Helic. i. 47. 



Chemn. ed. 2, Helix, n. 703. t. 112. f. 12, 13. 



Reeve, n. 446. t. 83. 

 Hab. Ceylon. 



51. Nanina Layardi. 



Shell perforate, turbinate, rather thin, covered with wrinkled 

 striae, scarcely shining, pellucid, pale horn-coloured ; spire co- 

 noidal, with the apex rather pointed ; whorls five and a half, 

 moderately convex, the last one keeled, not descending, convex 

 beneath ; aperture little oblique, rounded-lunate, scarcely an- 

 gular ; peristome straight, thin, sharp, with the columellar mar- 

 gin very shortly reflected above. Height 9, greatest breadth 13, 

 least breadth not quite 12 mill. (Pfr.) 



Helix Lavardi, Pfr. in Proc. Zool. Soc. 1851, p. ; Ic. n. 953. 

 t. 145. "f. 3, 4 ; Mon. Suppl. 55. 

 Reeve, n. 614. t. 109. 

 Hab. Ceylon [Layard). 



52. Nanina Chenui. B.M. 



Shell subperforate, depressed, rather thin, malleately-subde- 

 cussated with fine striae and im])ressed spiral lines, chestnut-ful- 

 vous ; spire scarcely elevated, obtuse ; whorls four and a half, 

 nearly levi-I, slightly wrinkled-striatc at the scarcely impressed 

 suture, the last angulated, not descending, ornamented with a 



