PULMONATA. 119 



Helix citrina, Fer. Pr. 240; Hist. t. 71-73; in Voy. de Freyc. 

 Zoo/. 471. t. 67. i. 2,3. 

 Chemn. ed. 2, Helix, n. 181. t. 24. f. 1, 2 ? ; t. 35. f. 1-5. 

 Pfr. Mon. Helic. i. 53, iii. 60; Icon. i. 212. t. 147. f. 11, 



12, 13, 15. 

 Desk. I. c. 189. t. 88. f. 2. 



Reeve, Conch. Icon. n. 482. t. 89 ; var. y. t. 90. f. 485. f. a, b. 

 Helix variegata, Humphr. Mus. Calonn. {Fer.) 

 Nanina citrina, Gray, Proc. Zool. Soc. 1834, p. 59. 

 Nanina citrina et luctuosa, Beck, Ind. 3. 

 Nanina (Xesta) citrina, Albers, Helic. 58. 

 Vitrina citrina, Quoy Sf Gaim. Astrol. ii. 140. t. 11. f. 1-4 (and 



animal ) . 

 Zonites citrina, Sivains. Malac. 331. 



Seba, Mus. iii. t. 39. f. 1-10. 

 Pomatia succinea, ruteola, dimidiata, riitila, flaveola, citrina, pa- 



leacea, straminea. Bolt. 74. n. 953-960. 

 Hab. Moluccas. 



123. Nanina tumens. 



Shell perforate, turbinate-semiglobular, rather solid, slightly 

 striated and (under a lens) obliquely decussated, diaphanous, 

 shining, yellowish-white, with a single narrow reddish-browTi 

 band ; spire flesh-coloured, conoidal, with convex outlines and 

 a rather blunt apex ; suture somewhat bordered above ; whorls 

 five and a half, moderately convex, the last rounded, not descend- 

 ing ; aperture oblique, roundish-lunate, of equal height and 

 breadth ; peristome simple, straight, with the columellar margin 

 callous, dilated above into a reflected triangular lamina. Height 

 26, greatest breadth 39, least breadth 34^ mill. {Pfr.) 



HeUx tumens, Deshayes in Fer. Hist. i. 188. n. 252. t. 89. f. 4. 



Reeve, n. 477- t. 88. 



Pfr. Mon. Suppl. 43. 

 Helix citrina, var., Pfr. Ic. t. 24. f. 1, 2? 

 Hab. Moluccas. 



124. Nanina vitellus. 



Shell narrowly perforate, conoidally semiglobular, rather solid, 

 smooth, little shining, yellow, with a white line at the suture ; 

 spire conoidal, with the outlines convex and the apex rather 

 ponited ; whorls five, moderately convex, enlarging rapidly, the 

 last rounde<l ; apeitiu-e little oblique, roundish-lunate ; peristome 

 simple, straight, with the margins scarcely convergent, columellar 



