212 Mr. W. L. Dirftaiit on llomoptera. 



ovately depressed on disk and transversely striate ; other 

 structural characters as in generic dia2;nosi8. 



Long. J excl. tegm., 10 mm.; exp. tegm. 23 mm. 



Hob. Brazil (Brit. Mus.). 



There is no more |)recise locality obtainable for this species, 

 Mhich was presented to the British Museum in 18G8 by the 

 late W. \Yilson Saunders. It may therefore have been con- 

 tained in the collections made by Bates and Wallace on the 

 Amazons. 



Mahanarva unifurmis, sp. n. 



Vertex, pronotum, scutellum, face, and body beneath 

 piceous-black, with a slight olivaceous tint ; legs piceous- 

 brown ; tegmina uniformly pale chocolate-brown, thickly, 

 shortly, tiuely, palely pilose ; vertex as in generic diagnosis, 

 the ocelli ochraceous ; face downwardly deflected but not 

 terminating in such a distinctly obtuse point as in M. incli- 

 cuta ; pronotum thickly, finely, transversely wrinkled, im- 

 pressed as in M. indicala, centially, finely, longitudinally 

 carinate, the carination not reaching the anterior margin ; 

 scutellum ovately impressed on disk and transversely striate. 



Long., inch tegm., 9| mm. 



Hab. Ecuador; Paramba and Cachabe (Rosenberg, Brit. 

 Mus.). 



Considerably smaller thaa M. indicata ; face less pointed, 

 pronotum more wrinkled and less punctate, differing also by 

 the more uniform coloration and absence of sanguineous 

 markings. 



Kanaima, gen. nov. 



Vertex very large and broad, slightly longer than space 

 between eyes, transversely impressed above and between the 

 insertion of the antennae, before this impression broadly 

 convexly rounded, finely, centrally, longitudinally carinate, 

 the ocelli somewhat close together, divided by the carination, 

 and placed at less than one-third from base ; face globose, 

 oblong, its disk somewhat broadly flattened and evenly de- 

 pressed to base of clypeus, transversely striate, and centrally, 

 longitudinally, finely ridged ; clypeus extending to the ante- 

 rior coxae ; rostrum slightly passing the intermediate coxse ; 

 pronotum about twice as broad as long, strongly foveately 

 impressed on anterior disk, the anterior margin truncate, 

 the anterior lateral margins convexly oblique, posterior 

 margin truncate before scutellum, which is about as long as 

 broad at base, its apical area attenuate ; legs moderately 

 robust^ posterior tibiae with two strong spines (one near base 



