324 Mr. F. P. Pascoe on the 



The following species are believed to be hitherto un- 

 described. 



Cen trin us ferinus. 



C. ovatus, niger, prothorace elytrisque basi squamis piliformibiis 

 aureis dense tectis ; rostro ferriigineo, arcuato, capite cum pro- 

 thorace multo longiore, basi paulo coinpresso. Long. 2 lin. 



Hob. Parana. 



Ovate, black, prothorax and base of the elytra closely 

 covered with golden-yellow piliform scales ; rostrum ferru- 

 ginous, slender, strongly arched, base slightly compressed ; 

 scrobes lateral, beginning at about a third from the base ; 

 antennas pale brownish yellow ; funicle slender, elongate, first 

 joint as long as the next two together, the last three turbi- 

 nate ; club ovate ; prothorax moderately convex, ridged in 

 the middle from the base, the apex with a linear transverse 

 impression ; scuteHum densely scaled ; elytra cordiform, 

 slightly broader at the shoulders than the prothorax, deeply 

 striate, interspaces flat, obscurely punctured ; body beneath 

 black, closely covered with silaceous scales ; legs pale ferru- 

 ginous. 



Centri'nus auricollis. 



C. ovatus, niger, prothorace squamis aureis ; elytris sutura albo- 

 squamosis ; rostro ferrugineo, fere longitudiue elytrorum, modice 

 arcuato, basi valde compresso. Long. 2 liu. 



Hab. Amazon (Santarem). 



Ovate, black, prothorax closely covered with dark golden 

 piliform scales, elytra with the suture covered with white 

 scales ; rostrum ferruginous, as long as the elytra, moderately 

 curved, more compressed at the base ; the scrobes beginning 

 behind the middle ; antennse yellowish ferruginous, slender, 

 funicle and club as in tlie preceding ; prothorax slightly 

 ridged, scutellar lobe somewliat produced ; scutellum oblong ; 

 elytra scarcely broader at the shoulders than the prothorax, 

 striate, the interspaces indefinitely punctured ; body beneath 

 black, covered with silvery white piliform scales. The males 

 have short pectoral horns. 



This and the above are not to be distinguished by their 

 technical characters from Centri'nus proper. 



Centrtnus querulus. 



C. ovalis, glaber, nitide niger ; prothorace rufo, fere impunctato ; 

 rostro prothorace baud longiore, dimidio basali sulcato ; elytris 



