OF PHILADELPHIA. 165 



and anterior tibiae, and venter, particularly towards the tip, 

 rufous. 



Length less than one-fifth of an inch. 



Fabricius has applied the name himaculata to a different spe- 

 cies ; I have therefore changed the name. 



3. M. MARGINALIS. — Black; head before and thorax dull 

 rufous. 



Inhabits Pennsylvania. 



Hypostoma and inferior part of the front dull yellow-rufous : 

 antennas black : thorax dull yellow-rufous, with a black quadrate 

 oblong spot extending from the middle to the scutel, and another 

 at each lateral angle : elytra immaculate : beneath dull golden 

 sericeous. 



Length more than three-twentieths of an inch. 



ANTHICUS Payk. Leach. 



1. A. ciNCTUS. — Dark rufous; elytra black, rufous at base, a 

 cinereous band before the middle. 



Inhabits the United States. 



Body dusky rufous : antennae dusky towards the tip : eyes 

 deep black : thorax subbilobate, contracted rather behind the 

 middle, anterior lobe suborbicular : elytra hirsute, punctured, 

 black, base [279] rufous ; a band before the middle and termi- 

 nal spot cinereous : feet blackish, rufous at base : venter black. 



Length more than one-eighth of an inch. 



Var. a. Destitute of the terminal cinereous spot. 



2. A. BASiLLARis. — Rufous ; elytra black, rufous at base. 

 Inhabits the United States. 



Notoxus melanocephalus ? Melsh. Catal. 



Eyes deep black : thorax broadest before the middle, and nar- 

 rowed by an almost straight line to the posterior angles : elytra 

 punctured, blackish ; base somewhat gibbous and rufous : post- 

 pectus and venter piceous. 



Var. a. Head blackish. 



Size of the preceding nearly. 



Resembles the preceding, but the thorax is not so much con- 

 tracted behind the middle. 



[Vol. III. 



