ZONITES. 



155 



slriate, stria' stronger at suture, corneous ; whurls 6, 

 slowly enlarging, the last rounded, suture impressed. 



Diam. 10 mill. Baalbek, Syria. 



H. frondosula, Mousson, is a synonym ; it occurs in the 

 neighborhood of Constantinople. 



II. IIEMIPSORICA, Morelet. PL 50, figs. 25-29. 



Moderately umbilicated, pellucid, shining, rugosoly striulate, 

 yellowish corneous; whorls 6, planulate, with profound suture, 

 regularly slowly enlarging, last whorl compressed below ; aper- 

 ture wide. Diam. 8 mill. 



Bona, Algeria. 



Yar. PSATURA, Bourg. Figs. 28, 29. 



Whorls enlarging more slowly, strire more distinct, umbilicus 

 a little wider. 



II. EURABDOTA, Bourg. PI. 50, figs. 30-32. 



Widely umbilicated, somewhat discoidal. fragile, pellucid, 

 minutely pustulosely striate, smooth and shining below, fulvous 

 corneous, base milky white ; whorls 5, regularly slowly enlarg- 

 ing, suture profound, last whorl rounded, not descending. 



Diam. G'5 mill. 



Near Bona, Algiers. 

 II. CELLARIA, Miiller. PL 50, figs. 33-52. 



Moderately umbilicated, depressed, shining, pellucid, scarcely 

 ;striate, light greenish corneous, whitish below; whorls 6, 

 flattened, the last depressed, aperture obliquely widely lunate. 

 Diam. 13 mill. 



Middle Europe, Azores, Canaries, Madeira, 



United States, Australia, New Zealand. 



A common species (introduced) in the Atlantic sea-board 

 cities of the United States, the H. glaphyra of Say. Other 

 synonyms are //. lucida, Pult., H. nitens, Mat. and Rack., //. 

 , Chier., H. corneofulva, Pfr. (figs. 36-38), New 

 Zealand (introduced), H. Sydneuensis, Cox (fig. 30), Australia 

 (introduced). 



Var. SIEVERSI, Hottger. Figs. 40, 41. 



Smaller, umbilicus narrower, base flatter. Diam. f mill. 



Transcaucasia. 



