HELIX. 31 



Un figured Species. 



H. ARANEA, Parreyss. Sicily. 



H. SIMONIANA, Bourg. So. France. 



H LEUERI, Bottger. Transcaucasia. 



H. BALATONICA, Servain. Lake Balaton, Hungary. 



H. LETESSIERIANA, Bourg. Algeria. 



H. CAROT^E, Bourg. Tuscany. 



H. PRONOE, Servain. Tuscany. 



H. SERVAINI, Bourg. France. 



H. NEMESIANA, Bourg. Maritime Alps. 



II. Atlantic Species. 



H PUTRESCENS, Lowe. PL 6, figs. 53-55. 



Perspectively umbilicated, rather thin, obliquely striulate, 

 shining, dark brown; whorls 5|-6, a little convex. 



Diam. 9-9'5 mill. 



Ins. Palina. 



Probably belongs in Discus. 



H. PUSILLA, Lowe. PI. 6, figs. 56-58, 64-68. 



Narrowly umbilicated, thin, brownish, distantly, membranously 

 costate above, suture distinctly impressed ; whorls 3J, a little 

 convex, last, whorl not descending, base smooth ; aperture 

 subcircular. Diam. 2 mill. 



Madeira, Teneriffe, etc. 



H. hypocrita, Dohrn, and H. servilis, Shuttl. (figs. 64-66), are 



II. LUSEANA, Paiva. PL 6, figs. 59, 60. 



Moderately umbilicated, thin, pellucid, shining, pale oliva- 

 ceous yellow, with regular incurved radiating striae ; whorls 4-4 J, 

 tumid, gradately increasing, the last not carinate, not deflected 

 anteriorly, periphery obsoletely angulated. Diam. 2:5 mill. 



Madeira. 



Has been considered a variety of H. pusilla, Lowe ; differs in 

 the umbilicus. 



H. TEXTILIS, Shuttleworth. PL 6, figs. 61-63. 



Moderately perspectively umbilicated, rather solid, obliquely 

 closely costulate ; yellowish corneous, here and there maculated 

 with brown, suture deep; whorls 7, convex, slowly enlarging, 



