of the Amazon Valley, 423 



$ . Thorace castaneo-rufo, supra fossato, punctulato- 

 opaco, lateribus medio angulatis ; abdomine griseo-lanu- 

 ginoso. 



? . Thorace nigro^ nitido, absque fossulis distinctis ; 

 abdomine nigro, nudo. 



Long. 10-12 lin. c? ? . 



Hah. — Santaremj on bushes in the Campo or open 

 districts. 



Genus Georgia. 



Thomson, Archiv. Entom. i. 21; Lacord. Gen. ix. 148. 



1. Georgia xanthomelas. 



Phcedinus xanthomelas, White, Proc. Zool. Soc. 1856, 

 p. 408. 



Georgia citrina, Thorns. Arch. Ent. i. 21, pi. ix. f. 1, 2. 



Nigra, elytris stramineis, tertia parte apicali maculaque 

 utrinque discoidali ante medium nigro-velutinis ; ab- 

 domine testaceo. 



Long. 8 lin. 



Hah. — Villa Nova. 



Found on one occasion, flying low across a pathway in 

 the forest. Four examples only were taken. 



Sub-fam. TKOPIDOSOMATINiE. 



Genus Tropidosoma. 



Perty, Del. An. Art. Bras. p. 85; Lacord. Gen. ix. 150. 



1. Tropidosoma penniferum, n. sp. 



T. dilaticorni (Gory) simile ; elongato-ovatum, valde 

 convexum, fulvo-ochraceum, capitis vertice, thoracis 

 maculis duabus magnis dorsalibus, elytrorum marginibus 

 lateralibus, macula post-humerali et tertia parte posteriori 

 antice obliquata, nigris ; antennis brevissimis, articulis a 

 oio compresso-dilatatis, imprimis latissimis, apicem versus 

 cito angustatis, articulis duobus flavis basalibus exceptis, 



G G 2 



