October, 1843.] 301 



tured, tip slightly sinuate : antennas brownish, with the 3 basal articulations 

 yellowish testaceous : palpi testaceous, with the middle brown : legs testaceous- 

 6 mill, long, 2 wide. Proportionally wider and more brilliant than A. angus- 

 tata, Say, and differs in outline. 



Amara rubrica. Oval, reddish brown, glossy : frontal lines obsoletely im- 

 pressed, 2 piliferous punctures near the inner margin of the eyes, distinct : 

 clypeal suture distinct: pronotum nearly rectangular posteriorly, and with the 

 basal indentations shallow, and sparsely punctured ; fovea? single, somewhat 

 obsolete ; mesial line fine, crossed by numerous short ruga? ; elytra finely punc- 

 tate-striate, interstices somewhat convex, tip sinuate. 8 mill, long, 3 wide. 



Selenophorus parallelus. Lengthened oval, black, shining : antennse, palpi, 

 tibia; and tarsi, rufous ; femora darker, or chesnut : head glabrous : posterior 

 impressions of the pronotum slight, and minutely rugose : elytra slightly sinu- 

 ate, striate, stria? alternately obsoletely punctured, a row of about 6 punctures 

 upon the inner edge of the 3d interstice. 8 mill. long. Larger, and narrower 

 in comparison, than S. ellipticus, with the sides of the elytra more nearly pa- 

 rallel, and the abbreviated stria? near the scutel, more distinct. 



Selenophorus maurus. Lengthened, shining black : head glabrous ; anten- 

 na? and palpi rufous : pronotum transversely rugulose, posterior impressions 

 obtuse, minutely punctured, and rugose, mesial line fine : elytra slightly sinu- 

 ate at tip, finely striate, interstices flattened ; 2d, 5th, and 7th stria?, obviously 

 punctured : legs dark chesnut. 8 mill. long. Wider than the preceding. 



Ophonus mutabilis. Shining black, or reddish brown ; glabrous; feet and 

 beneath, rufous : antenna? and palpi, yellowish rufous, head with a round obtuse 

 indentation upon each side, between the eyes : pronotum narrowed behind, 

 mesial line fine, transverse one distinct ; posterior angles square, basal inden- 

 tations small, obtuse, minutely punctured, and rugose; fovea? single, short: 

 elytra profoundly striate, interstices convex, tip slightly sinuate. 9| mill. long. 

 Var. B. Head and prothorax reddish brown ; beneath and feet, testaceous. 



Ophokus opacipennis. Oval, glossy ; chesnut brown beneath, and upon f 



the middle and posterior thighs: antenna?, palpi, margin of the labrum, interme- 

 diate and posterior tibia? and tarsi, and anterior legs, rufous : head with a small 

 round indentation upon each side, between the antenna? : pronotum much wider 

 than long, transversely rugulose : with the basal impressions rugose, shallow, 

 each with a very slight fossula; dorsal lines faint: elytra finely and simply 

 striate, interstices flat, with a puncture upon the third one ; tip slightly sinuate : 

 Burface sericeous. 9 mill. long. 



Harpalus testaceus. Oval, testaceous; feet and beneath paler, with a yel 

 lowish tinge ; eyes black ; elytra fuscous, slightly iridescent with bluish ; sides 

 of the head with a large indentation between the antenna? : pronotum with the 

 lateral margins and area? of the posterior angles depressed ; basal indentations 

 obtuse and impunctured ; dorsal impressions obsolete, scutel s .iall : elytra finely 

 and simply striate; tip slightly sinuate. 9 mill. long. 



Harpalus comis. Shining black above, and upon the under surface of 



