434 Mr. R. J. L. Guppy on the Terrestrial 



striate by lines of growth ; spire raised, with a pointed apex ; 

 whorls 5, moderately convex, flattened beneath ; suture some- 

 what crenulate, slightly descending ; aperture rather small, as 

 broad as high ; peristome narrowly reflexed. Operculum pale 

 horn-coloured. 



A species akin to H. Dysonij but without colour-bands. It 

 has a more convex form and a flatter base than H. harhata 

 (Guppy), and in the former of these particulars it is more like 

 some examples of H. foveata^ Pf. 



17. Helicina hximilis, n. sp. 

 Testa orbiculato-depressa, lineis incrementi regulariter et dense 



striata, pallido-f usca ; spira brevis, depressa ; apex vix acuminatus ; 



anfr. circa 4, carinati, superne applanati, ultimus pauloproductus; 



apertura obliqua, semiovata ; columella brevis, in nodum tenni- 



nans ; callus basalis amplus, tenuis, leviter circumscriptus. 

 Alt. 4 millim., lat. 7. 

 Operculum corneum, ad marginem rubesceng. 



A depressed pale-fuscous Helicma^ striate obliquely by very 

 close and regular lines of growth ; whorls about 4, flattened 

 above and carinate on the periphery ; aperture oblique, semi- 

 ovate ; peristome somewhat thickened and dilated. 



Allied to H. velutina and H. suhfusca^ but generally smaller 

 and more obscurely coloured. Most examples, though living, 

 have a weathered appearance, which exhibits the close stria- 

 tion very plainly. It may possibly prove to be a marked 

 variety of H. velutina. 



Testa orbiculato-depressa, oblique valde striata, rubro-brunnea, epi- 

 dermide velutina induta ; epidermis decussata, pubescentia in 

 ordinibus punctorum exiguorum disposita ; spira brevis, apex 

 breviter acuminatus ; anfr. 5, vix convex!, ad peripheriam cari- 

 nati, carina distincte lirata lineis pubescentibus ; apertura obliqua, 

 semiovata ; peristoma parum incrassatum et expansum ; columella 

 in nodum distincte terminans; callus basalis amplus, circum-- 

 scriptus. 



Alt. 5 millim., lat. ^. 



Operculum tenue, corneum, margine rubescente. 



Shell depressed, somewhat strongly striate obliquely, dark 

 brownish red, covered with a velvety epidermis, which is de- 

 cussate, the pubescence disposed in rows of minute dark points ; 

 spire short, apex somewhat pointed ; whorls five, keeled on the 

 periphery, the keel bearing two or three distinctly marked 

 spiral lines of pubescence ; base little convex, very decidedly 

 decussate. 



A species somewhat like H. svhfusea^ but distinguished by 



