196 ZONITES. 



on base, subpellucid ; whorls 5-6, slowly increasing, the last not 

 expanding. Diam. 16 mill. 



Near Fort Napoleon, Kabylin. 

 It is H. planorboidea , Deb. in litt. 



II. TETUANENSIS, Kobelt. PL 59, figs. 84-86. 



Moderately nmbilicated, depressed, trochiform, somewhat 

 solid, corneous, scarcely shining, irregularly costate-striate 

 above, smoother and shining below; whorls 5J, regularly in- 

 creasing, the lust dilated, more convex on base. Diam. 17 mill. 



Mts. Tetuan, Morocco. 



Un figured Species. 



II. YASCONICA, Bourg. Southern France, Spain. 



H. ALLERYI, Paulucci. Sicily. 



II. ALLERYI, var. hemispherica, Westerlund. Sicily. 



H. WESTERLUNDI, Cafici. Sicily. 



H. ^GOPINOIDES, Maltzan. Ins. Crete. 



Section MESOMPHIX, Rafinesque, 1819. 



H. INTERTEXTA, Biniiey. PL 60, figs. 5, 6. 



Perforated, epidermis yellowish corneous; whorls 6-7, with 

 TV _ t . numerous fine oblique, and microscopic spiral strire, intersecting, 

 outer whorl often with a faintly defined narrow, light colored 

 band and sometimes an obscure brownish band below it, both 

 sometimes wanting, peristome somewhat thickened within. 



Diam. 15 mill. 



New York to Indiana, Tennessee to Georgia and Texas. 



Somewhat larger, more depressed, with fewer whorls and flatter 

 base than the next species ; it also differs in having fine revolv- 

 ing striae, and in the band, when present. 



H. LTGERA, Say. PL 60, figs. 7-9. 



A,e x !r Perforated, yellowish horn-color, shining, without band; 

 ^y* ^.whorls 7, finely and thickly striated transversely, smooth below, 

 {v^ suture not much impressed ; aperture thickened within ; umbili- 

 cal region impressed. Diam. 15 mill. 



Great Lakes to Georgia and Arkansas. 

 H. Rafinesquea, Per., and //. Wardiana, Lea, are synonyms. 



