408 PUPA §. 23. 



filis albidis; anfr. 4^^ — 5, rotundato-convexi; apex obtusus; 

 apertura subquadrangularis, fere circularis, dentibus 8 munita, 

 in pariete aperturali 3, primo maximo cum labro continuo, se- 

 cundo mediano, intrante, tertio minimo, interno, in margine 

 columcllari 1, in marginibus basali et labiali 4, profunde sitis; 

 peristoma incrassatum, rufescens, subexpansum, reflexum, raar- 

 ginibus disjunctiS; labro postice vix sinuoso. — Alt. 2, diam. 

 IV4 mill.» (Ps.) 



Vertigo armata Harper Pease in Proc. Zool. Soc. 1871. p. 461. 

 Habitat in insula Bolabola. 



399. P. costulosa (Vcrtigo) Peasc. -{■ 



« T, obtuso-ovata, interdum fere globosa, tenuis, perforata, 

 dextrorsa, vix nitida, oblique et sparsim filo-costata; anfr. 4, 

 rotundato-convexi, tumidi, ultimus prope labrum interdum 

 brevi-bisulcatus; apex obtusus; sutura valde impressa; aper- 

 tura fere circularis, dentibus 5 — 6 coarctata, in pariete aper- 

 turali 2, primo juxta labrum, secundo maximo , prominente, 

 Jamelliformi, intrante, in margine columellari ], in marginibus 

 basali et externo 2 — 3 profunde sitis; peristoma subreflexum, 

 crassiusculum, marginibus plerumque callo junctis; rufo- vel 

 flavo-cornea. — Alt. i Y^, diam. 1 mill.» (Ps.) 



Vertigo costulosa Harper Pease in Proc. Zool. Soc. 1871. p. 462. 

 Habitat in insula Hawaii. 



400. P. dentifera (Vcrtigo) Pcase. -J- 



«T. cylindrica, solidiuscula, perforata, dextrorsa, longiludi- 

 naliter oblique tenuissime striata, rufo- aut flavo-castanea; anfr. 4, 

 convexo-rotundati, ultimus prope labrum brevi-bisulcatus; aper- 

 tura fere circularis, postice biplicata, columella uniplicata, basi 

 Iri- vel quadridentata, labro vix reflexo; peristoma crassiusculum, 

 non continuum. — Alt. 1%, diam. 1 mill.» (Ps.) 



Vertigo dejitifera Harper Pease in Proc. Zool. Soc. 1871. p. 462. 

 Habitat in insula Roratonga. 



401. P. Margarctae Cox. -J* 



«Testa dextrorsa, lutescenti-fusca, minute perforata, ovata, 

 sub lente confertim et subtiliter striata, opaca; anfr. 5, convexi, 

 ultimus dimidium testae Jongitudinis formans; sutura levis; 

 apertura quadrangulari-ovalis, 5 dentibus s. plicis munita: primo 

 magno et inaequaliter diviso in centro anfr. contigui, secundo 

 acuto, illi opposito, tertio quartoque in latere columellari inter 

 primum et secundum (iJlo columellae proximo crasso et obtuso, 



