98 HYFANTHERTJS. 



tudinal fovea, which joins at its upper extremity a broader transverse 

 shallow depression: the surface below the antennas almost impunctate ; 

 above, strongly punctate, rufo-ferrugineous, medially suffused with 

 rufo-fuscous. Thorax a little broader than the head, transverse, rect- 

 angular ; the anterior angles depressed ; the sides marginate ; at the 

 base is an obsolete shallow transverse depression ; the surface flavo- 

 pubescent, finely punctate. Scutellum triangular, flavo-pubescent. 

 Elytra tolerably broad, robust, medially subdepressed, punctate- 

 striate, flavo-pubescent. Antenna? short, robust, incrassated ; the 

 first joint broad and long ; the second short, ovate ; the third nearly 

 as long as, but more slender than, the first ; the fourth and fifth 

 shorter and slightly broader than the third ; the sixth, seventh and 

 eighth broadly dilated ; rufo-testaceous, sixth to eighth black. Legs 

 robust, subpubescent, rufo-ferrugineous. 



From the district of the River Amazon. In the collections of Mr. 

 Bates and the Rev. H. Clark. 



2. Hypantherus ambiguus. 



H. oblongo-ovatus, sat robustus, fusco-ferrugineus ; capite brevi, 

 super antennarum basin bituberculato , ad basin crebre punctato, 

 rufo-ferrugineo, in medio rufo-fusco ; ihorace transverso, Icevigato, 

 jlavo-pubescenti ; elytris robustis, punctato-striatis,jlavo-pubes- 

 centibus; antennis brevibus, incrassatis, art. 1-5 jiavis, 6-8 nigris, 

 9-11 jiavis ; pedibus anterioribus jiavis ; femoribus posticis rufo- 

 fascis, tibiis ad apicem obsolete dentatis, et (cum tarsis) rufo- 

 fulvis. 



Long. corp. 2|-3 lin., lat. 1| lin. 



Oblong-ovate, sufficiently robust, of a dark-brown ferrugineous 

 colour throughout. Head short, slightly produced ; above the mouth 

 is a transverse subtriangular depression : immediately above the in- 

 sertion of the antennae is a deep longitudinal fovea, giving prominence 

 to two oblong shining tubercles, one on either side of it ; above this 

 fovea there is no trace of a transverse depression, as in H. concolor : the 

 surface in front levigate, above thickly and deeply punctured ; rufo- 

 ferrugineous, suffused medially with rufo-fuscous. Thorax trans- 

 verse, rectangidar ; the anterior angles depressed ; the sides marginate ; 

 the surface levigate, flavo-pubescent. Scutellum triangular, flavo- 

 pubescent. Elytra robust, longer and proportionally narrower than in 

 H. concolor, antemedially transversely subdepressed, punctate-striate, 

 flavo-pubescent (the punctures being somewhat finer and the pu- 

 bescence closer than in H. concolor). Antennas short, robust, incras- 

 sated, the third and fourth joints being slender, and of the length of 



