LIMAX. 199 



Yar. OLIVACEOUS, Lessona and Pollonera. Olivaceous brown, 

 carina and dorsal zone to the shield citron-yellow. 



L. PEROSINII, Lessona and Pollonera. PI. 48, figs. 61, G2. 



Strongly rugose, rugae coarse, carinated ; shield cuneate behind, 

 concentrically moderately rugose, black-spotted ; pulmonary 

 orifice differently colored, not margined ; caudal carina half the 

 length of the dorsum, flexuous, reddish or yellowish ; locomotive 

 disk dark-margined. Length, 5*5-8 inches. 



Piedmont. 



Insufficiently distinguished from L. Corsicus by its black- 

 spotted shield, slight differences in the height and size of the 

 rugae, in the posterior angulation of the shield, in coloring, and 

 in the absence of a marginal color for the respiratory orifice. 



Subspecies CRUENTUS, Lessona. 



Carina and rugae red ; shield red with black mactilations. 



Yar. TYPUS. Brownish red, the carina and rugae reddish, black 

 maculations in four zones on the back ; shield covered with 

 irregular black spots. 



Yar. FORMOSISSIMUS, Lessona and Pollonera. Red, becoming 

 bluish black on the sides ; shield with a few black macula- 

 tions ; back with four series of black maculations. 



Subspecies MONREGALENSIS, Lessona and Pollonera. 



Carina and rugae yellowish ; shield yellow, with black spots. 



Yar. VENUSTISSIMUS, Lessona and Pollonera (fig. 62). Whitish 

 ash, becoming grayish black on the sides, carina and rugae 

 sulphur-yellow, shield sulphur-yellow, covered with black 

 maculations ; back irregularly quadrizonate with macula- 

 tions. 



L. CCKRULANS, Bielz. PL 49, figs. 66-69. 



Chocolate-brown, green, blue, or greenish blue, sometimes 

 chocolate, with the shield and rugae blue, occasionally shaded 

 darker on the sides and posterior part of mantle ; sole dark- 

 bordered ; carina short and sharp ; rugae strong. 



Length, 4-5-6 inches. Transylvania. 



I unite with this L. Schwabi, Frauenfeld (figs. 66, 67), L. 

 cinereo-niger , Bielz (not Wolf), and L. Trans silvanicuSj Heyne- 



