138 PROCEEDINGS OF THE ACADEMY OF [1887. 



Common to all the Polynesian groups. 



Its minute size, ovate-oblong shape, hyaline texture, obtuse spire, 

 rounded aperture, and the thin slightly expanded lip will readily 

 distinguish it. There are usually 5 denticles in the aperture. 



V. tantilla, (louid. 



Pupa ( Vertigo) tantilla, Gould, Proc. Bost. Soc. Nat. Hist., 1847, 

 p. 197, Pfeiffer, Mon. HeL, iii, p. 557. ( Vertigo) Mousson, Jour, de 

 Conch., 1870, p. 127. ( Vertigo) Schmeltz, Cat. Mus. Godeft:, iv, p. 

 69. (Pupinella) Paetel, Cat. Conch., p. 108. 



Vertigo tantilla, Gould, Exp. Exp. Shells, p. 92, fig. 103. {Alaa) 

 H. and A. Adams, Gen. Moll., iii, p. 172. Pease. Proc. Zool. Soc, 

 1871, pp. 460, 463, 474. Garrett, Jour. Phil. Acad. Nat. Sci., 1881, 

 p. 400. 



Pupa pleurophora, Shuttleworth, Bern. Mittheil., 1852, p. 296. 

 Pfeiffer, Mon. Hel., iii, p. 560. 



Vertigo jyleurophora, Pease, Proc. Zool. Soc, 1871, p. 474. 



Pupa Dunkeri, "Zelebor" Pfeiffer, Mon. Hel., vi, p. 333. 



Vertigo Dunherl, Pease, Proc. Zool. Soc, 1871, p. 474. 



Vertigo armata, Pease, Proc. Zool. Soc, 1871, pp. 461, 474. 



Pupa armata, Pfeiffer, Mon. Hel., viii, p. 407. 



Vertigo dentifera. Pease, Proc. Zool. Soc, 1871, pp. 462, 474. 



Pupa dentifera, Pfeiffer, Mon. Hel., viii, p. 408. 



Ranges from the Society to the Viti Islands. This and the pre- 

 ceding species are found beneath rotten wood, under stones and 

 amongst decaying leaves. 



In shape it varies from an ab])reviate-ovate to oblong-oval, and 

 they vary to a greater or less degree in the relative proportion of 

 the whorls. Color pale corneous under a brownish more or less 

 distinctly shagreened epidermis, which in perfect examples is fur- 

 nished with oblique membranous riblets. The last whorl behind 

 the peristome is frequently bisulcate. 



MELAMPUS, M..ntf<.it. 

 M. luteus, Quoy aud Gaimard. 



Auricula lutea, Quoy and Gaimard, Voy. Astrol., ii, p. 163, pi. 

 6, figs. 25-27. Deshayes, Lam. Hist., viii., p. 338. Kuster, Auric, 

 p. 39, pi. 6, figs. 1-3. Mousson, Jav. Moll., p. 47, pi. 5, fig. 6. 



Conovulus luteus, Anton, Verz., j). 48. 



Melampus luteus, Beck, Ind., p. 106. M. E. Gray, Figs. Moll. 

 Anim., pi. 306, fig. 5, H. and A. Adams, Proc. Zool. Soc, 1854, p. 



