LONGS SECOND EXPEDITION. 187 



waved band near the base, extending to the base at the outer 

 margin, and widely interrupted at the suture; another rufous 

 band behind the middle, slightly undulated, and hardly inter- 

 rupted by the suture; sutural edge a little elevated behind; venter 

 very distinctly sericeous with yellowish hair. 



Length more than one-fifth of an inch. 



I obtained a specimen many years ago near Philadelphia, and 

 we lately captured another in the North-Western Territory. 



DIRCEA Fabr. 



D. tibialis. — Black, with short hair; base of the antennae 

 and tibia yellowish. 



Inhabits North- West Territory. 



Body oval-orbicular, with very short hair, and irregularly and 

 very minutely punctured ; antennae, three basal joints obscureh 

 pale rufous ; clypeus a little dilated before the antennae and trun- 

 cated ; palpi dusky rufous ; terminal joint rather abruptly conic- 

 acute ; thorax convex, short, wide ; lateral edge arcuated ; angles 

 rounded ; scutel rather large, triangular ; elytra destitute of striae ; 

 tip narrowed [283] and rounded ; tibia pale rufous ; posterior 

 thighs much dilated, formed for leaping. 



Length three-twentieths of an inch. 



[This appears to be Scirtes tibialis Guerin, Spec. Icon. An. 

 Art. 3.— Lec] 



SERBOPALPUS Oliv. 



S. 4-maculatus. — Blackish-brown, sericeous ; elytra with two 

 yellow spots. 



Inhabits Arkansa and Missouri. 



Antennas and labrum dull testaceous; thorax, anterior margin 

 obsoletely dull testaceous ; scutel minute ; elytra narrower behind ; 

 a large, very irregular yellow spot before the middle and another 

 behind the middle of each; pectus and postpectus distinctly 

 punctured ; anterior tarsi dilated and covered beneath by very 

 dense, short, yellow hair; remaining tarsi slender ; venter dark 

 red-brown, paler at tip. 



Length nearly seven-twentieths of an inch. 



This species appears to be of rare occurrence. 



[Belongs to Dircsea — Lec] 



