520 ARKIV FÖR ZOOLOGI. BAND 1. 



von Harold nor Baly have described a species with similar 

 characters in connection with the flavous antennse and legs; 

 the fi.ve specimens before me show no marked variation in 

 any respect. 



Cacoscelis abdominalis sp. n. 



Head, thorax, the breast and the femora rufous, antennse, 

 tibire, tarsi and the abdomen black, elytra very closely and 

 finely punctiired, black. 



Length 13 millim. 



Head impunctate, antennee black, the second joint half 

 the length of the third, the latter shorter than the fourth 

 joint; thorax one half broader than long, the sides rounded, 

 the basal groove rather deep, bounded at the sides by a 

 fovea, the disc impunctate, rufous, scutellum triangulär, 

 rufous, elytra subcylindrical, finely and slightly rugosely 

 punctured, with traces of longitudinal costse, breast rufous, 

 the sides thickly clothed with yellow pubescence, abdomen 

 black, clothed with short yellow hairs, femora rufous, tibice 

 and tarsi black, the posterior tibise emarginate at the apex. 



Hab. Salta, Argentine. 



Of this distinct species, only a single specimen is before 

 me, it agrees in coloration nearly with C. pectoralis Har. 

 (Coleopter. Hefte XV) b ut that species is described as having 

 seneous elytra and simple, non emarginate tibite. (I some- 

 what doubt if Harold's species was really a Cacoscelis on ac- 

 count of these differences, which seem to point to a species 

 of Goelomera amongst the Galerucince.) 



Pseudogona argentinensis sp. n. 



Flavous, antennae and the apex of the posterior femora 

 black, thorax impunctate, elytra sparingly and extremely 

 minutely punctured, flavous, a sutural and submarginal narrow 

 stripe, the latter extending to the apex, black. 



Length 3 ni ill. 



Narrow and parallel, the head impunctate, flavous, the 

 vertex convex, frontal elevations small and feebly raised, 

 carina broad and short, antennre filiform, black, the lower 

 two joints more or less flavous, third joint distinctly shorter 

 than the fourth; thorax about one half broader than long, 



