OF PHILADELPHIA. 109 



This insect is not uncommon in the Atlantic States, and is also 

 found west of the Alleghany 3Iountains. 

 [A true Monocrcpidius. — Lec] 



4. E. RECTiCOLLis. — Palc tcstaccous, hairy ; head blackish ; 

 lateral thoracic edge rectilinear. 



Inhabits Missouri. 



Body pale testaceous, with short dense hair : head blackish- 

 piceous : antenna; pale : clypeu.s rounded : thorax lateral edge 

 rectilinear from near the anterior angles to the tip of the poste- 

 rior ones : elytra profoundly striate, punctured : feet whitish. 



Length one-fifth of an inch. 



[Belongs to Adrastus. — Lec] 



5. E. OBESUS. — Brown, with yellow hair J thorax convex j body 

 short, somewhat dilated. 



Inhabits Missouri. 



Body reddish-brown, with ycllowiph hair and [169] very 

 minute punctures : head and thorax with polished yellow huir, 

 and numerous exceedingly minute punctures ; posterior angles 

 prominent, excurved : scutel rounded hairy : elytra with scattered 

 hairs, and obsoletely punctured stria; ; interstitial spaces slightly 

 convex and with minute punctures : feet rufous. 



Length two-fifths of an inch. 



[Unknown to me; it is afterwards (Trans. Am. Phil. See. 6, 

 1G8,) stated to have the ungues strongly toothed. Cardiojihori 

 with this character are known, but none have yet been found in 

 the United States. 



6. E. ERYTROPUS — Reddish-brown, or blackish, punctured, 

 hairy ; posterior thoracic angles carinated ; interstitial elytral 

 lines punctured. 



Inhabits Missouri and Pennsylvania. 



EI(t1rr eri/tropus Melshcimcr's Catalogue. 



Body reddish-brown, or blackish, with numerous short prostrate 

 yellow hairs ; punctured : head with large, profound, approxi- 

 mated punctures : antennte rufous : clypeus rounded, entire : 

 thorax with large confluent punctures on each side, and small 

 more distant ones on the posterior disk, much smaller than those 

 of the head ; posterior angles not excurved, but nearly rectili- 

 near with the posterior half of the lateral edge of the thorax, 

 1823.] 



