194 LIMAX. 



Yar. ATRATUS, Bettoni (fig. 49). Grayish brown, the rugosities 

 blackish, carina and dorsal zone sulphur-color, shield black- 

 ish, pulmonary orifice black-margined. 



Var. ELEGANS, Bettoni (fig. 50). The sulphur-colored zone macu- 

 lated and spotted with black and white, rest of the back 

 greenish yellow, shield grayish, pulmonary orifice whitish- 

 margined. 



Yar. SORDELLII, Bettoni (fig. 51). Brown, obscurely zonate on 

 the back and irregularly maculated with white, zone sulphur- 

 color, shield ash-yellow, pulmonary orifice brown-margined. 



Yar. NIGRICANS, Lessona. Black, with series of yellowish macu- 

 lations, and an interrupted yellow dorsal zone. 



Yar. SULPHUREUS, Lessona. Brown, with series of blackish dots, 

 carina sulphur-colored, shield brownish with a few black 

 dots near the anterior margin. 



Yar. CALDERINIT, Lessona. Reddish brown, the rugosities and 

 shield paler, with round black maculations, in series as far 

 as the shield, carina orange-colored, the coloring becoming 

 evanescent beyond it. 



Subspecies III. DACAMPI, Menegazzi (slricto sensu). 

 Carina reddish or scarlet color. 



Yar. TYPUS, Bettoni. Dirty whitish, the rugosities reddish, later- 

 ally reddish-brown ; dorsally blood-red with two black zones; 

 shield coppery red ; pulmonary orifice black margined ; 

 lateral areas of sole grayish black. 



Yar. TRILINEOLATUS, Bettoni (fig. 52). Reddish brown, carinal 

 and dorsal red stiipe extending to the shield, with a pos- 

 terior red stripe on either flank, becoming evanescent on 

 the back ; pulmonary orifice brown-margined ; sole yellow- 

 ish, bordered with olive. 



Yar. MONOLINEATUS, Bettoni (fig. 53). Reddish white or light 

 brown, with a single red dorsal stripe, bordered by macula- 

 tions of black forming an interrupted stripe on either side ; 

 shield, orifice and sole as in preceding variety. 



Yar. PINII, Lessona and Pollonera (L. cinereo-niger, var. Doriae, 

 Pini). Blackish, red-striped on the carina, sole black- 

 margined. 



