of the Amazon Valley. 307 



Long. Z\ lin. S ? • 



Hah. — River Tapajos, Ega, St. Paulo, Upper 

 Amazons. 



Genvis Phormesium. 



Thomson, Syst. Ceramb. p. 217 ; Lacord. Gen. viii. 335. 



Differs from all the preceding genera of Ihiclionince. in 

 the short antennae, scarcely longer than the body in the 

 $ , shorter in the $ . The third and fourth antennal 

 joints and the tibi^ are carinate ; the femora are clavate, 

 shorter than the elytra, and bidentate at the apex. The 

 carin^e of the antennae are sometimes very faint, and 

 scarcely perceptible. The third antennal joint is fusi- 

 form in the cJ . 



1 . PJwrmesium melanodacrys. 



Ihidion melanodacrys, White, Cat. Longic. Brit. Mus. 

 p. 235. 



" Parvulum, flavo-testaceum, elytris singulis guttis 

 duabus nigris marginalibus, prima pone humerum, se- 

 cunda ad medium, antennis articulo tertio incrassato." 

 (White.) 



Long. 21 lin. S ? • 



Hah. — River Tapajos. 



All the antennal joints are carinate from the third to 

 the tenth. The black " guttee " of the elytra are linear, 

 lateral, and oblique ', the surface is polished, and almost 

 impunctate. 



2. Phorinesium albinum, n. sp. 



Elongatum, angustum, nitidum, longe setosum, flavo- 

 testaceum ', elytris fasciis duabus obliquis testaceo-albis, 

 una versus basin (suturam haud attingente) , altera apud 

 medium ; thorace medio tri-tuberculato, polito ; elytris 

 sinuato-truncatis, extus spinosis ; antennis vixperspicue 

 carinatis. 



Long. 3 lin. ? . 



Hah. — River Tapajos. 



