PULMONATA. 105 



Helix ovum, Val. in Humb. Voy. Zool. ii. 240. t. 57- f. 1. 



Fer. in Bull. Zool. 1835, p. 32. 



(Nanina?) Pfr. Symb. ii. 19. 



Chemn. ed. 2, Helix, n. 155. t. 25. f. 1, 2. * 



Pfr. Mon. Helic. i. 66; Ic. i. 190. 



Desk, in Fer. i. 155. n. 207. 



Reeve, n. I. t. 1. f. 1, 2, 4. 

 Nanina (Ryssota) ovum. Alb. 61. 



Helix meridionalis, Gray in Wood, Suppl. t. 7-f- 42 (not Risso). 

 Helix (Helicogena) otabeitana, Fe'r. Pr. 49; Hist. t. 29. f. 4, 5. 

 Eiu-ycratera otabeitana. Beck, hid. 46. 



Cbromocochlea tahitana, Hartm. Erd- u. Sussw. Gart. i. 186. 

 t. 65, 66. 



Hab. Pbilippines. 



8.9. Nanina nobilis. 



Shell narrowly umbilicate, depressed, rather turbinate, solid, 

 striated, slightly decussated with impressed spiral and oblique 

 lines, fulvous ; spire little raised, shortly turbinate ; whorls six, 

 scarcely convex, the last surrounded in the middle with a raised, 

 blunt ridge, below which is a dark chestnut-colom-ed band, which 

 is diffuse and vanishes towaixls the umbilicus ; aperture large, little 

 oblique, broadly lunate, pearly within; peristome simple, straight; 

 columellar margin reflected into a short triangulai' lamina near 

 the umbilicus. Height 30, greatest breadth 53, least breadth 45 

 mill. {Pfr.) 



Helix nobilis, Pfr, in Proc. Zool. Soc. 1849, p. 127; Ic. n. 771- 

 t. 125. f. 1, 2 ; Mon. Suppl. 69. 

 Reeve, n. 381. t. 74. 



/3. Whitish, with a single narrow peripheric band, beneath 

 which the last whorl is of a pale violaceous colour. 



Hehx obliquata. Reeve, Conch. Icon. n. 384. t. 74. 



Hab. Borneo ; the variety ^. from the Philippine Islands (?). 



90. Nanina MiJLLERi. B.M. 



Shell obtectly perforated, convexly-orbiculate, slightly keeled, 

 solid, fulvous, darker beneath, marked with a broad red band 

 beneath the keel ; suture linear ; whorls four and a half, rapidlv 

 increasing, the highest plane, minutely rugulosely reticulated, 

 the last convex towards the apertui-e, in-egularly malleately ru- 

 gose ; apertm-e lunate-oval ; peristome simple, upper margin 

 shghtly inflected, columellar a little expanded, covering the per- 

 foration. Lat. maj. 39, min. 33, alt. 23 mill. 



F 5 



