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 U. niyrlcolli's of Melshci- 

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

 bicolored thorax, and the abbreviated and sometimes interrupted 

 line on the elytra. 



[Unknown to me. — Lec] 



16. E. LOBATUS. — Pale brownish, covered with short hair 5 

 feet whitish, penultimate t^irsal 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, subcarinatc 

 above : seutel convex : elytra with profound, punctured striae, 

 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 of 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. lividus Degeer, belongs to Monocrc- 

 pic/ius. — Leg.] 



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

 J5. nigricollis Melsh. Catal. 



Inhabits the United States. 



Head and thorax black, punctured, somewhat hairy ; posterior 

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

 ceous, with punctured striae : 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. lintcits Say. — Lec] 



18. E. CYLiNDRiFOR^iis. — Obsolctcly metallic; antennae com- 

 prcascd ; thorax with an impressed line. 



fS'ol. III. 



