Genus Centrinus and its Allies. 325 
inequaliter convexis, anguste striatis, interstitiis fere impunctatis. 
Long. 1 lin. 
Hab. Parana. 
Oval, smooth, glossy black, head, base of the rostrum, and 
prothorax chestnut-red ; rostrum rather stout, not longer than 
the prothorax, a well-marked oblique lateral groove on the 
basal half; scrobes lateral, antemedian ; antenna 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 cox 
(widely) apart; prosternum on a level with its coxe ; meso- 
sternum depressed; first abdominal suture nearly obsolete ; 
femora mutic ; claws free. 
Centrinus perdix. 
C. late ovatus, squamulis silaceis maculatim indutus ; antennis rufo- 
ferrugineis; tibiis anticis rectis; tarsis articulo ultimo elongato. 
Long. 1% lin. 
Hab. 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; antenne 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 beneath 
black, with scattered silvery-white hairs; femora stout, 
mutic; anterior tibiz 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 coxe 
widely apart ; mesosternum depressed ; first abdominal suture 
distinct ; femora mutic ; claws free. 
Centrinus geminus. 
C. suboyatus, glaber, niger, nitidus; elytris singulatim macula 
