460 MR. HARPER PEASE ON POLYNESIAN LAND-SHELLS. [May 2, 



The above is the first species described from the Marquesas group 

 of islands. 



The shell is rather thin, somewhat obliquely ovate, finely and 

 closely marked by striae of growth, of a reddish or reddish horn- 

 colour ; whorls three, the last slightly swollen and rather oblique ; 

 whorls of the spire convex, the apex mammillary, suture strongly 

 impressed; aperture oblong- oval, almost vertical ; lip thickened on 

 its edge, red ; columella but slightly curved, margin thickened, dis- 

 tinctly plicate posteriorly. 



SUCCINEA RUBELLA, Pse. 



T. tenuis, suboilique ovata, striis incrementi tenuiter rugosula, suc- 

 cineo-rubescens ; anfr. 2\, ultimus convexus, obliquus ; anfr. spirce 

 rotundato-convexi, apice papillari ; sutura bene impressa ; aper- 

 tura fere recta, acute ovata, labro tenui, columella arcuata, mar- 

 gine incrassato ; perist. simplex, marginibus callo tenui junctis. 



Alt. 12, diam. 7 mill. 



Hab. Insula Lanai. 



Genus Tornatellina, Beck. 



TORNATELLINA GRACILIS, Pse. 



T. elongata, gracilis, tenuis, nitida, Icevigata, striis incrementi 

 tenuissime notata, fusco-cornea ; anfr. 5, convexi, ultimus planu- 

 latus, interdum medio concentrice sulcatus ; apertura parva, acute 

 ovata ; lamina parietalis valida, prominens ; columella forte cal- 

 losa, tortuosa. 



Alt. 3|, diam. \\ mill. 



Hab. Insula Kauai. 



Tornatellina dentata, Pse. 



T. oblongo-ovata, tenuis, fragilis, nitida, lavigata, fulvo-cornea ; 

 anfr. 4%, convexi ; sutura impressa ; apertura parva, acute 

 oblongo-ovata ; lamina parietalis valida, compressa, prominens ; 

 columella forte callosa, tortuosa, vix compressa, medio dente pro- 

 minent e munita. 

 Alt. 2j§, diam. 1| mill. 

 Hab. Insula Hawaii. 



The peculiarity of this little species is, that the columella, in 

 addition to the usual callosity, which in this species is somewhat 

 compressed, is furnished with a prominent tooth on its middle. 



Tornatellina striata, Newc, described in Proc. Cal. Acad. 1861, 

 p. 93, I exclude from the genus, transferring it to the genus Lepta- 

 ckatina, Gld. 



Genus Vertigo, Miiller. 



Dr. Gould remarked in his description of V. tantilla, in the 

 ' Report of the American Exploring Expedition,' that it was the 

 first species of its type he had met with from Polynesia. It has 



