HELIX. 49 



H. EUSTROPHES, A. D. Brown. 



Very widely umbilicated, solid, shining, with distant incre- 

 mental striae, reddish brown, with yellowish flames; whorls 6, 

 plano-convex ; aperture violaceous. Diam. 30 mill. 



Solomon' ' 7s. 

 H. VERONICA, Pfr. PL 5, fig. 98. 



Rather widely umbilicated, very minutely radiately striulate, 

 at the suture obsoletely spirally striate, pellucid, shining, green- 

 ish corneous ; whorls 3J, somewhat flattened, rapidty enlarging, 

 the last depressed, not descending in front, periphery rounded ; 

 aperture a little oblique, rounded lunate, margins approaching. 



Diam. 12 mill. 7 



Solomon's Is. 



Subsection TRICHODISCUS, Strebel and Pfeffer. 

 H. CORDOVANA, Pfeiffer. PL 5, figs 99-1. 



Widely umbilicated, thin, subgranulated and shortly pilose, 

 corneous, with two narrow chestnut bands above ; suture deep, 

 channeled; whorls 4j, turgid, the last obsoletely sulcate above 

 the periphery ; margins of aperture approaching, expanded 

 above. Diam. 12'3 mill. 



Cordova, State of Vera Cruz, Mexico. 

 It is H. coactiliata, var. fi, of Crosse and Fischer. 



H. COACTILIATA, Fe'russac. PL 5, fig. 2. 



Widely umbilicated, thin, very minutely granulate-striate, not 

 shining ; light corneous, with 3 or 4 narrow chestnut bands ; 

 whorls 4, convex, the last subdeflected in front ; aperture 

 obliquely subcircular, the margins almost contiguous. 



Diam. 11 mill. Nicaragua; Chiapa, Mexico; Venezuela. 



It is H.fasciata, Nyst; H. Nystiana, Pfr. ; H. quinquestrigata, 

 Beck ; H. Par/ceri, Tryon (H. Bridgesi, Tryon, not Newcomb). 



H. SUTDRALIS, Pfr. PL 5, fig. 3. 



Widely umbilicated, thin, lightly, very minutely granulose 

 (pilose), brownish corneous; spire plane, subimmersed in the 

 middle ; suture deep ; whorls 4, very convex, the last descend- 

 ing in front ; aperture obliquely subcircular, margin of aperture 

 approaching. Diam. 10 mill. 



Honduras. 



H. coactiliata, var. ?> of Crosse and Fischer, is a synonym, 

 4 



