HELICID#. 47 
oblique, forming an angle with the basal lip; peristome simple, 
thin, slightly labiate, rarely 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, 
alobosely depressed ; whorls ‘rather flat towards the apex, the 
last inflated ; columella often intrant, dilated, oblique ; peristome 
widely expanded, thickened, shortly reflexed. H. pulcherrima, 
Sowb. (xevi, 99). 37 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. H. sarcinosa, Fer. 
(xevii, 100). 5 sp. Philippines. 
Felicostyla, Fer.,1819. (Orustia, Morch, 1852.) Shell imper- 
forate, globosely 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. annulata, Sowb. 
(xevii,3. 34 sp. Philippines. 
Cochlodryas, Martens, 1860. Shell imperforate, turbinate or 
oblong-ovate, smooth, highly colored; spire short, obtuse; whorls 
4454, convex; columella dilated, nearly direct ; aperture lunar- 
ovate; peristome simple or somewhat thickened, expanded or 
shortly reflected. H.polychroa, Sowb. 14 sp. Philippines. 
Hudoxus, 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. M 
Orthostylus, Beck, 1837. (Pythohelix, Swains.,1840. Hypse- 
lostyla, Martens, 1867.) Shell imperforate, ovate-conical or 
oblong-pyramidal, 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. H. fulgetrum, Brod. (xevii, 
1). 483 sp. Philippines. 
FPhengus, Albers, 1850. Shell thin, hyaline, imperforated, 
pyramidal; whorls six, the last somewhat angulated ; aperture 
subovate; columella arcuated; peristome sublabiated ; columellar 
lip dilated, excavated. 4H. evanescens, Brod. (xcvii,2). 12 sp. 
Philippines, India. 
Pheenicobius, Moreh, 1852. Shell rimate, ovate, obliquely 
striate or costulate, chestnut-brown, indistinctly fasciate ; whorls 
