262 Rev. H. S. Gorliam's descriptions of 



almost wholly pale, the four posterior tibiaj alone being 

 dark at their base. The elytra have a bluish tint and are 

 distinctly and evenly punctured ; the shoulders and base 

 broadly rusty-red, a central fascia red reaching the margin 

 but interrupted by the suture ; apex scarcely serrate ; their 

 whole surface clothed with yellow down. 

 Hab. — Amazon (Bates) ; coll. Fry. 



Hydnocera rujitlwrax, n. sp. 



Ferruginea, nitida, elytris (basi excepto, fasciaque 

 median a albida interrupta), femorum medio, tibiis, ab- 

 domineque nigro-piceis. 



Long. 2 lin. 



Allied to the preceding; the red head and thorax and 

 smaller size will easily distinguish it. 

 Hab. — Amazon (Bates) ; coll. Fry. 



Hydnocera virescens, n. sp. 



Elongata, ferruginea, thorace, pedlbus, elytrisque sub- 

 virescentibus ; elytris apicem versus ampliatis obsolete 

 striatis, impunctatis, nitidis, medio subfasciatis. 



Long. 2h lin. 



This species and the one following resemble in form 

 those of the genus Isolemidia, but the structure of the 

 antennas is that of typical Hydnocera. Eyes Avide, pro- 

 minent ; thorax constricted equally before and behind, 

 sides lobed. Elytra of the Avidth of the head at the base, 

 widened evenly and gradually to near the apex. 



Legs clear, sea-green; antennge greenish-yellow at the 

 base. 



Hah. — Rio Janeiro (Fry); Parana, coll. Gorham. 



Hydnocera olivacea, n. sp. 



Picea vel rufo-picea, nitida ; elytris pedibusque viridi- 

 olivaceis, illis macula parva basali, fasciaque obliqua, nee 

 suturam nee marginem attingente carmineo-rufis. 



Long. 2| lin. 



Head and underside dark pitchy-brown; thorax pitchy- 

 red, disk with a double costa, subtuberculate, elongate, 

 sides lobed; elytra shining, impunctate olive-green, with 

 a round basal spot, and a fascia obliquely directed from 

 near the margin to the suture pinkish-red. 



Legs green. 



