OP PHILADELPHIA. 179 



ish ; head with a longitudinal, impressed line ; elytra with punc- 

 tured striae. 



Inhabits Missouri. 



Body covered with imbricate scales; cinereous, obsoletely 

 varied with brownish or dull brassy, punctured ; head brassy, 

 polished; an impressed, longitudinal line: eyes black: antennae 

 piceous : thorax, longitudinal and transverse diameters subequal ; 

 a dilated, double, somewhat confluent, dorsal, brownish line, with 

 an undulated, lateral outline occupying nearly all the surface : 

 scutel very minute : elytra varied with cinereous and brownish, 

 with equidistant, indented, punctured striae ; interstitial lines 

 equal, with whitish, distant, very short, filiform hairs : abdomen 

 blackish. 



Length three-twentieths of an inch. 



Found on the banks of the Mississippi and lower part of the 

 Missouri. 



[Say, ante 1, 268, states that this belongs to Thylacites, sub- 

 genus Stroplwsomus. — Leg.] [319] 



CALANDRA Clairv. Fab. 



C. COMPRESSIROSTRA. — Castaneous ; rostrum compressed ; a 

 profound, frontal puncture ; thorax with two punctured lines con- 

 verging to the scutel. 



Inhabits Arkansa. 



Body dark chestnut-brown passing to blackish : head with 

 small, distant punctures, larger ones on the base of the rostrum 

 which decrease in size to the tip ; a profoundly, impressed, large 

 puncture between the eyes: rostrum very much compressed, 

 acutely carinate above : antennae at tip rufous : thorax with larger 

 punctures on the side, on the anterior impressed submargin, and 

 on two indented lines which originate each side of the middle, 

 and converge to the suture : elytra with crenate striae, interstitial 

 lines each with a series of punctures : tibia with a very robust, 

 obtuse spine, and setae below the interior middle. 



Length less than three-tenths of an inch. 



Near the Bocky Mountains. 



[xVnte, 1, 20.] 

 1824.] 



