LIMAX. 191 



L. GENEI, Lessona and Pollonera. PI. 46, fig. 38. 



Rugose, obtusely carinate behind, shield large, subgibbose, 

 cuneate behind ; pulmonary aperture post-median, light mar- 

 gined ; light brownish, darker on the back, with three ochraceous 

 longitudinal bands, with a few black spots on either side the 

 posterior carina; shield sparsely black-spotted anteriorly, tri- 

 zonate with ochre-yellow posteriorly; head and tentacles light 

 brownish; sole unicolored? Length, 7 inches. 



Sardinia. 

 L. UNICOLOR, Heynemann. 



Large, moderately rugose ; shortly obtusely carinate behind ; 

 shield large, not- gibbose, acutely angulated behind, unicolored 

 with white-margined pulmonary orifice ; back cinereous or light 

 brown or chestnut-color, sometimes obsoletely subfasciate, but 

 not spotted ; sole unicolored. Length, 3-4 inches. 



Middle Germany Italy. Sicily. 



L. concolor, Pini, is a variety. Lessona and Pollonera have 

 also described vars. candidus, sordidus and Bivonse. 



L. ABROSTOLUS, Bourguignat. PI. 46, fig. 40. 



Differs from L. maximus in its stronger, sharper, white ter- 

 minal carina, the median black line of the neck, and its brilliant 

 colors, fleshy on the back, becoming yellowish and then orange 

 on the flanks, with large black spots. Length, 5 inches. 



Madeira. 



It is L. antiquorum, Lowe, not Ferussac. 



L. EUBALIUS, Bourguignat. PI. 46, fig. 41. 



Tail sharply carinate, carina whitish ; color yellowish white, 

 thickly spotted with black; dorsal rugosities delicate, low ; foot 

 pale yellowish ; upper tentacles long and slim, inferior tentacles 

 very short ; shield anterior, rounded in front, rostrated behind ; 

 respiratory orifice small, post-median. Length, GO mill. 



Grande Chartreuse, France. 

 L. ATER, Razoumowsky. PI. 46, fig. 43. 



Coarsely rugose, tail-carina short, shield subgibbose, obtusely 

 angulated behind ; brownish or blackish, unicolored, pulmonary 

 orifice and disk yellowish white. Length, 4 inches. 



Transylvania, Engadine, Northern Italy. 



