114 ACADEMY OF NATURAL SCIENCES 



hind the middle, obsoletely testaceous ; posterior angles excurved : 

 elytra whitish ; suture and line from the humerus to the middle 

 of the disk, reddish-brown obscure : beneath piceous : feet 

 paler. 



Length less than two-fifths of an inch. 



This species, at first sight, resembles E. nigricollis of Melshei- 

 mer's Catalogue; but it may be readily distinguished by the 

 l)icolored thorax, and the abbreviated and sometimes interrupted 

 line on the elytra. 



[Unknown to me. — Lec.J 



16. E. LOBATUS. — Pale brownish, covered with short hairj 

 feet whitish, penultimate tarsal joint elongated beneath the ter- 

 minal one. , 



Inhabits Mississippi. 



Body brownish, covered with dense prostrate hair : clypeus 

 broad, rounded before : antennae pale rufous : thorax very 

 minutely punctured ; posterior angles prominent, acute, subcarinate 

 above : scutel convex : elytra with profound, punctured strige, 

 punctures oblong, approximate : feet pale, yellowish-white ; penul- 

 timate tarsal joint elongated and expanded beneath the terminal 

 joint, and very obtusely rounded at tip. 



Length eleven-twentieths cf an inch. 



This species is sufficiently remarkable by the singular expan- 

 sion of the penultimate tarsal joint. It [176] is an inhabitant 

 of Pennsylvania as well as of the Western States. 



[Previously described as E. Uvichis Degeer, belongs to Monocre- 

 jndius. — Lec] 



17. E. NIGRICOLLIS. — Black ; elytra whitish. 

 E. nigricollis Melsh. Catal. 



Inhabits the United States. 



Head and thorax black, punctured, somewhat hairy ; posterior 

 angles carinate above : scutel black : elytra whitish or pale testa- 

 ceous, with punctured strise : feet rufous. 



Length from two-fifths to nine-tenths of an inch. 



Var. a. Suture and tip of the elytra black. 



Specimens occurred on the Missouri. 



[The variety is E. linteus Say. — Lec] 



18. E. CYLiNDRiFORMis. — ObsoIetely metallic; antennas com- 

 pressed ; thorax with an impressed line. 



[Vol. III. 



