— 92 — 



obliqua, subovalis ; perist. siniplex, fusco-punctatum, incrassatu- 

 lum , sed noii expansum , superne acute angulatum. Opcrculum 

 cartilagineum, pauce spiratum, anfr. rapide accrescentibus, nucico 

 exccntrico. 



Alt. 15 5 Diitni. 1; Apcrt. 5 mill. longa. 

 Hab. Specimina pauca prope Ponce legit Swift ; comm, am. 



Bland. 

 Obs. Priori affine, sed bene distinctura. 



65. Cyclostoma (Chondropoma ?) Newton! Shutll. n. sp. 



Testa subperforata, elongato-oblongo-turrita, truncatula, so- 

 lidula , confertim costulata, lineisque spiralibus obscuris obluse 

 decussata, pallide Cornea, punctis fuscis seriatis reniote ornata, 

 sine nitorej spira regulariter attenuata 5 sulura confertim papil- 

 loso-crcnulata^ anfr. superst. 5, convexiusculi , ultimus breviter 

 adnatus ; apcrtura verticalis, suborbicularis ; perist. duplex, albi- 

 dum, internuin vix porrectura, extcrnum latiuscule patens, ad an- 

 fractum penultirauni truncatuin, superne angulatim et breviter au- 

 ricülatum. Operculuni ? 



Alt. 135 Diam. b ; Apert. intus 4 mill. longa. 

 Hab. In Portorlco prope Arecibo legit Newton 5 specimina pauca 



comm. am. Bland. 

 Obs. C. hemiolo Pf. forsan affine, sed bene distinctum. 



66. Cyclostonia (Chondropoma?) NewcoiiibiaiiumC. B. Ad. 



Hab. Portorico fide R. Swift, misit Bland. 



Obs. DiflTert ab omnibus hujus sectionis, operculi plurispirati an- 

 • fractibus lentius accrescentibus , et nucleo subcenlrali. Oc- 



currit copiosius in insula St. Thomas, et fidc Bland in Tor- 



tola et St. Jan. 



67. Heliciiia viiiosa ShuUl. n. sp. 



Tc&ta dcpressa, tenuiuscula, oblique elegantissime et confer- 

 tim plicato-costulata , pellucida , nitida, vinoso-rubella ; spira 

 brevis , conoidea; anfr. 5, convexiusculi, sensim accrescen- 

 tes , ultimus basi raedio profunde impressus -, apcrtura In- 

 tegra, obliqua, semi-ovalis ; columella siniplex, brevissima; pe- 

 rist, rubellum , breviter incrassato - expansum , marginc dextro 

 flexuoso , basali juxta columellam subito rotundato et brevissime 

 sinuato ', callus basalis tcnuis, nitidissimus, minute granulosus. 



Diam. maj. 31/25 "i'"- 3 5 Alt. 2 mill. 

 Hab. Sub follis delapsis ad rupes prope San Juan , Humacao , 



et ad Rio Blanco. 

 Obs. Proxime sine dubio H. rugosoe Pf. affinie, sed peristomatis 



