AIUON. 235 



Yar. CAMPESTRIS, Mabille. A small form, with long dorsal 

 rugosities, which are somewhat sharp ; the oval-elongated 

 shield covers the neck ; orange-colored, border of the foot 

 yellowish with numerous orange dots. France. 



Yar. HIBERNUS, Mabille. Body posteriorly attenuated, with 

 slight rugosities, shield oval, rounded at the extremities, 

 almost covering the neck ; dark purple or rust-color, the 

 foot white, its margins with brownish transverse lines. 

 France. 



Yar. GAUDFROYI, Mabille. Size moderate, the rugosities rather 

 sharp, somewhat tuberculated on the shield ; reddish gray 

 or yellowish, foot yellowish gray, the median band translu- 

 cent, the margin grayish, with transverse short black lines. 

 France. A. succineus, Bo-uillet, is a synonym. 



Yar. BICOLOR, Broeck. (fig. 10). Black, longitudinally striped 

 with yellowish white. Length, 30 mill. Luxembourg. It 

 may be a juvenile. 



Yar. RUPICOLA, Mabille. Small, greenish or reddish, with black- 

 ish lateral bands, foot whitish, slightly blue in the middle, 

 the margins yellowish or whitish, with some lines and 

 numerous dots of yellow ; shield covering the neck, encir- 

 cled by a black band. France. 



A. FUSCUS, Miiller. PL 57, figs. 18-21. 



Robust, strongly rugose, rounded behind ; shield posteriorly 

 truncate, coarsely granular ; pulmonary orifice a little anterior, 

 large; margin of foot yellowish or grayish, transversely lineated 

 with brown ; brown or orange-color, middle of back and shield 

 reddish brown, the sides of either bearing a reddish-brown zone. 



Length, 3 inches. 



Europe, Iceland, Greenland, New Zealand (introduced). 



The synonymy includes A. subfuscus, Drap.; A. cinctus, 

 Dumont ; A. fasciatus, Nilsson, in part ; A. incommodus, Hutton. 



The varieties include the Norwegian quadrifasciatus and 

 medius of Jensen, and the following : 



Yar. BOTTGERI, Pollonera (fig, 19). Back flecked or punctate 

 with black. Bremen. Yar. alripunctatus, Dum. et Mor- 

 tillet, appears to be somewhat similar. Savoy. 



