ZONITES. 143 



s 



H. TRANSYLVANICA, Clcssin. PI. 47, figs. 62-64. 



Imperforate, plane above, convex below, very lightly irregu- 

 larly striulate, shining, diaphanous, spire not elevated ; whorls 

 5-6, the earlier ones narrow, the last nearly three times the width 

 of the penultimate, umbilical region impressed. Diam. 4 mill. 



Transylvania. 



Unfigured Sjiecies. 



H. PSEUDODIAPHANA, Coutagne. Southern France. 



H. TENEBRARIA, Bourg. Spain, So. France. 



H. MORTELLA and H. CAVARELLA, Servain. Bosnia. 



H. AMELA and ? H. OECOSCIA, Bourg. Carniola, Croatia, Bosnia. 



III. Group of H. hi/datina, fiossm. (Mediterranea). 



H. EUD^EDAL^A, Bourg. PI. 47, figs. 65-67. 



Very narrowly perforate, bluish white, pellucid, very slightly 

 striulate ; whorls 6, regularly enlarging, suture deep, subplanate 



below. Diam. 7 mill. 



Greece. 



II. SUBEFFUSA, Bottger. PL 47, figs. 68-70. 



Xarrowly perforate, horny white, shining; whorls 4, slowly 

 enlarging, suture linear, surface distinctly striulate, subplane 

 below, last whorl nearly double the width of the penultimate. 



Diam. 3*5 mill. 







Caucasus. 



First described by Bottgcr as H. <;//">', a name preoccupied 

 by Pfeiffer. 



Yar. DEPRESSA, Bottger. Fig. 70. 



Shell smaller, whorls more depressed, the last with obsolete!}^ 

 angulated periphery. 



H. HYBLENSIS, Parreyss. PI. 47, figs. 71-73. 



Narrowly perforate, l^aline, vitreous, very slightly striulate ; 

 whorls 5, regularly slowly enlarging, with distinct linear suture, 



aperture widely lunate. Diam. 5 mill. 



Sicily. 



