Genus Centrinus and its Allies. 325 



inaequaliter convexis, anguste striatis, interstitiis fere impunctatis. 

 Long. 1| lin. 



Hah. Parana. 



Oval, smooth, glossy black, head, base of the rostrum, and 

 prothorax chestnut-red ; rostrum rather stout, not longer tlian 

 the prothorax, a well-marked oblique lateral groove on the 

 basal half; scrobes lateral, antemedian ; antennjB blackish ; 

 funicle short, gradually thicker towards the club, the last 

 joint being closely conjoined to it ; eyes small, round ; pro- 

 thorax nearly impunctate, tubulate at the apex, the base 

 bisinuate ; scutellum round ; elytra scarcely broader than 

 the prothorax, very slightly rounded at the sides, transversely 

 impressed near the base, narrowly striate, the interspaces 

 flat and nearly impunctate ; body beneath and legs black ; 

 claw-joint as long as the preceding joints together. 



Type of Salmites. Pectus short, entire ; anterior coxge 

 (widely) apart; prosternum on a level with its coxje ; meso- 

 sternum depressed ; first abdominal suture nearly obsolete ; 

 femora mutic ; claws free. 



Centrinus perdix. 



C. late ovatus, squamulis silaceis maculatim iudutus ; antennis rufo- 

 ferrugineis ; tibiis anticis rectis ; tarsis articulo ultimo elongate. 

 Long. 1| lin. 



Hah. Parana. 



Broadly ovate, black, irregularly spotted with approximate 

 silaceous narrow scales ; rostrum rather longer than the head 

 and prothorax together, compressed at the base ; scrobes 

 lateral, beginning in the middle ; antennse reddish brown ; 

 funicle short, first two joints of equal length, the last four 

 transverse ; club shortly ovate ; prothorax transverse, mode- 

 rately convex, in the middle a short raised line, at the sides 

 minute oblique grooves ; scutellum bilobed at the apex ; 

 elytra cordiform, broader at the base than the prothorax, 

 deeply striate, the interspaces sharply raised ; body beneatii 

 black, with scattered silvery-white hairs ; femora stout, 

 mutic ; anterior tibiai straight, the intermediate and posterior 

 curved at the base ; tarsi slender, except the third joint, claw- 

 joint as long as the rest together ; claws free. 



Type of Ortycus. Pectus canaliculate ,* anterior coxae 

 widely apart ; mesosternura depressed j first abdominal suture 

 distinct ; femora mutic ; claws free. 



Centrinus geminus. 

 C. subovatus, glaber, niger, uitidus ; elytris singulatim macula 



