76 HELIX. 



flattened, the last with a black band surrounding the peristome ; 

 peristome patulous, acute, subreflected. Diam. 20 mill. 



Oajaca, Mexico. 



H. VERRILLI, Ancey. Unliyured. Duranyo, JV. W. Mexico. 



Subsection IV, PRATICOLA, Strebel, 1>- 



H. OCAMPI, Strebel. PL 19, figs. 79, 80. 



Perforate, rather solid, slightly translucent, dull yellowish horn 

 color, or reddish brown with yellowish suture, finely irregularly 

 striate, with microscopic spiral lines; whorls 5 *, somewhat convex, 

 the last inflated, descending in front, constricted behind the aperture ; 

 peristome shortly reflected, white. Diam. 12 mill. 



Mir ad or, Mexico. 



H. ampla, Pfr. an unfigured species is possibly identical : if so, it 

 should take priority. 



H. BERLAXDIERIAXA, Moric. PL 19, figs. 81-83. 



Xarrowly umbilicated, rather thin, somewhat translucent, sub- 

 opaline, scarcely striate, light ashy white or yellowish white, or 

 greenish yellow, sometimes with a single chestnut band, suture deep r 

 whorls 4 5-0, rather convex, the last scarcely descending in front, 

 rounded, base subinflated, constricted behind the aperture ; peristome 

 white, labiate within, reflected. Diam. 12 mill. 



Prov. Tamaulipas, Mexico, Texas, Arkansas* 



H. pachyloma, Menke and H. viryinalis, Pfr. are synonyms. 



H. GRISEOLA, Pfr. PL 19, figs. 84-86. 



Narrowly umbilicated, thin, subtranslucent, a little shining, ob- 

 liquely striate, greyish, with a light fulvous, white-margined band, 

 suture impressed ; whorls 4 4-j, scarcely convex, not descending in 

 front, base subinflated ; aperture showing the exterior band, peris- 

 tome simple, slightly reflected, white, margins distant. 



Diam. 9'5 mill. 



Near Vera Cruz, Mexico, Texas, Nicaragua. 



Vai\ p. More elevated, light corneous, with a single white margined 

 band. Diam. 10 mill. 



The synonymy includes H. cicercula, Fer., H. splendidula, Anton* 

 and H. albozonata, and H. albocincta, Binney. 



