132 PULMONATA. 



Helix exaequata, Gould in Proc. Bost. Soc. 1846, p. 171 ; Exped. 

 Sh. 1851, p. 47. f. G7. 



Pfr. Mon. Helic. i. 193. n. 498 a; Ic. n. 801. t. 127. f. 21-23 j 



3'Ion. Suppl. 35. 

 Reeve, u. 627- t. 111. 

 Helix disculus, Pfr.inZ.f. M. 1850, p. 88 (not Deshayes). 

 Helix obtusangula, Pfr.inZ.f. M. 1850, p. 153. 

 Hab. Kanai, Sandwich Islands. 



162. Nanina aurulenta. 



Shell imperforate, depressed, thin, indistinctly and faintly 

 striated, shining, diaphanous, whitish, with a single bro\\-nish- 

 yellow band above the middle ; spire short, rather conoidal ; 

 whorls four, moderately convex, enlarging gradually, the last 

 rounded, not descending ; aperture little obUque, roundish- 

 lunate; peristome simple, sharp; columellar margin ascending 

 in an arch. Height 5, greatest breadth 9, least breadth 8 mill. 

 (Pfr.) 



Microcystis aundenta. Beck, MSS. 

 Morck, Cat. Yold. p. 2. n. 29. 

 Helix aurulenta, Pfr. Mon. Suppl. 626. 

 Hab. Pitcairn Islands. 



163. Nanina NoViE Hiberni^. B.M. 



Shell perforated, globosely-depressed, keeled, obhquely rugu- 

 losely striated, thin, fulvescent, zoned with a rufous line at the 

 keel ; whorls six, very slightly convex, the last more convex 

 beneath, nearly smooth, obsoletely decussated with concentric 

 lines ; apertiu'e lunar, inside bright, coucolorcus ; jieristome 

 straight, obtuse, columellar margin slightly thickened. Lat. 

 maj. 19, min. 17, alt. 10 mill. 



Helix Novae Hibernise, Quor/ Sf Gahn. Astral, ii. 124. t. 10. 

 f. 14-17. 



Lam. ed. Desk. 193. p. 120. 



aiemn. ed. 2, Helix, n. 548. t. 88. f. 1, 2. 



Pfr. Mon. Helic. i. 79. 

 Nanina Novae HoUandiae, Beck, hid. A. 



Pfr. Ic. ii. 124. 



Reeve, n. 429. t. 81. 

 Nanina (Ilemiplecta) Novae Hiberniae, Alb. 60. 



Hab. Port Carteret, New Ireland. 



