HELICIDiB. 41 



oblique, forming an angle with the basal lip ; peristome simple, 

 thin, slightly labiate, rarel}- sharp. H. virgo, Brod. (xcvi, 98). 

 36 sp. Philippines. Solomon's Isles. 



Calocochlea, Hartmann, 1840. (Callicochlias [Hartmann], 

 Agassiz, 1847.) Shell generally covered with a deciduous, 

 hydrophanous epidermis, imperforate, very rarely umbilicated, 

 globosely depressed ; whorls rather flat towards the apex, the 

 last inflated ; columella often intrant, dilated, oblique ; peristome 

 widely expanded, thickened, shortly reflexed. H. pulcherrima, 

 Sowb. (xcvi, 99). 31 sp. Philippines. 



Helicobulinus, Brod., 1840. (Chromocochlea, Hartm., 1844.) 

 Shell turbinate-globose, the last whorl ventricose and forming a 

 great part of the shell ; apex obtuse ; aperture rounded ; colu- 

 mella straight ; peristome widely reflected. II. sarcinosa, Fer. 

 (xcvii, 100). 5 sp, Philippines. 



Helicostyla^ Fer., 1819. (Orustia, Morch, 1852.) Shell imper- 

 forate, globoseW conical, often covered with a deciduous, hydro- 

 phanous epidermis ; spire elevated, apex very obtuse, whorls 4-8 ; 

 columella solid, arcuately ascending from the broad callous base ; 

 aperture ovately lunar, nearly longitudinal, margins equal ; peris- 

 tome expanded, or rarely shortly reflected. H. annidata^ Sowb. 

 (xcvii, 3 . 34 sp. Philippines. 



Cochlodryas, Martens, 1860. Shell imperforate, turbinate or 

 oblong-ovate, smooth, highly colored ; spire short, obtuse ; whorls 

 4^-5^, convex; columella dilated, nearly direct ; aperture lunar- 

 ovate ; peristome simple or somewhat thickened, expanded or 

 shortly reflected. H. polychroa., Sowb. 14 sp. Philippines. 



Eudoxus., Albers, 1850. Shell imperforate, oval-oblong, or 

 elongated-conical ; whorls six or seven, flattened, the last usually 

 somewhat angulated ; columella straight, elongated, twisted or 

 dentate ; peristome simple, rarely thick. H. effusa, Pfr. 9 sp. 

 Philippines. 



07-thostylus,3eck, 1837. (Pythohelix, Swains., 1840. Hypse- 

 lostyla. Martens, 1867.) Shell imperforate, ovate-conical or 

 oblong-pj'^ramidal, fuscous under a hydrophanous epidermis ; 

 spire conoidal, apex obtuse ; whorls 5-7, slightly convex ; colu- 

 mella subvertical, rarely slightly arcuate; aperture ovately 

 rounded; peristome somewhat thickened, shortly expanded or 

 reflected, interior usually colored. B. fulgetrum, Brod. (xcvii, 

 1). 43 sp. Philippines. 



Phengns, Albers, 1850. Shell thin, hyaline, imperforated, 

 pyramidal ; whorls six, the last somewhat angulated ; aperture 

 subovate ; columella arcuated ; peristome sublabiated ; columellar 

 lip dilated, excavated. H. evanescens, Brod. (xcvii, 2). 12 sp. 

 Philippines, India. 



Phoenicobiui^, Morch, 1852. Shell rimate, ovate, obliquely 

 striate or costulate, chestnut-brown, indistinctly fasciate ; whorls 



