236 ARION. 



Yar. MABILLIANUS, Bourg. (fig. 21). Elongated, attenuated 

 behind ; ochraceons with three darker bands ; dorsal rugosi- 

 ties strong, elongated, separated by shallow sulci ; margin 

 of foot gra}dsh white with perpendicular brownish lines. 

 France. 



A. BRUNNEUS, Lehmann. PI. 57, fig. 26. 



Rugose, rugae long, narrow, not very prominent ; shield ob- 

 long, rounded at the extremities, granular ; pulmonary opening 

 small, anterior ; eye-peduncles granose ; rust-colored or coffee- 

 brown, the back, middle of shield and tentacles darker, blackish, 

 the sides lighter, reddish brown ; border of foot yellowish with 

 fine black perpendicular lines ; sole yellowish white. 



Length, 2 inches. 



Stettin, Pomerania ; Karlsbad, Bohemia. 



A. SULCATUS, Morelet. PL 57, fig. 23. 



Rugae very large and strong, vermicularly sculptured, shield 

 granular, with a large anterior pulmonary opening ; uniform 

 blackish or brownish black, sometimes bluish on the shield, 

 margin of the foot chestnut, rayed ; mucus j^ellowish white. 



The shell grains small and numerous, much more minute than 



in A. rufus, var. ater. Length, 6 inches. 



Portugal. 

 Section CARINELLA, Mabille, 1870. 



A. DUPUYANUS, Bourg. PL 58, fig. 31 ; PL 57, fig. 27. 



Wide, dorsally more or less carinate, dorsal rugae thin, elon- 

 gate ; whitish gray, darker above, and with indistinct lateral 

 zones ; shield granose, rounded at the ends, grayish black ; 

 foot margined with obscure lineations, the sole whitish. 



Length, 40 mill. 



France. 



The juvenile has been described under the above name by 

 Bourguignat. It was 10 mill, long, and bluish, the carina 

 stronger and whitish, the darker longitudinal zones very faint. 

 Mabille subsequently described the adult as A. Bourguignati. 



A. Neustriacus, Mabille (unfigured), is a carinate species said 

 to be distinguished from A. Dupuyanus by its reddish gray 

 color, its stronger, elongated, regular dorsal rugae, and the 

 absence of the marginal lineoles. France. 



