THE GROUND BEETLES, 69 



(111. Elyti-a with the fourth stria straiglit. 



/. Broad, slightly depressed; thorax nearly twice as wide as long, 



not wider at base than apex. 77. carindla. 



ff. Robust; thorax about one-half wider than long, wider at base 



than apex. 7S. punctatosteiatum. 



cc. Elytra without (luadrate impressions ; two dorsal punctures on the 



third interval. 



<j. Thorax wider at base than apex, nearly twice as wide as long ; 



color bronzed, shining. bobusticolle. 



00- Thorax not wider at base than apex. 



/(. Feebly convex; elytral striie deeply punctate, the punctures not 



greenish ; legs bronzed piceous. 79. coxendix. 



lili. More robust; elytra less deeply striate, punctures greenish ; legs 



pale brownish-yellow. 80. confusum. 



74 (421). Be.mbididm i./evigatu.m Say, Trans. Amer. Phil. Soc, II, 1823, 



84 ; ibid. II, 4<)!l, 550. 

 Robust, convex. Green (ir bronzed, shining; antenna? fuscous, the basal 

 joints and legs dull yellow, the femora darker; under surface nearly black. 

 Thorax subquadrate, more than one-half wider than long, sides broadly 

 curved from apex to behind middle, thence sinuate to b ise, margins re- 

 I'exed ; hind angles rectangular and carinate ; dislv smooth, the basal im- 

 liressions broad and deep. Elj-tra less than one-half wider than thorax, 

 the strife coarsely punctured but not impressed. Length 5.5-7 mm. 



Southern half of the State ; frequent in sandy localities. April 

 15-July 28. 



75 C.'AS). Bembidium nitidum Kirby, Faun. Bor. Anier., IV, ISSl. 55. 



Robust, slightly convex. Black or blackish-bronzed, strongly shining. 

 Thorax subquadrate, about one-half wider than long, distinctly wider at 

 base than apex ; basal impressions broad, bistriate ; hind angles rectan- 

 gular, finely carinate. Elytra slightly wider than thorax, finely striate- 

 lunctate; the first, and sometimes the second striae entire, the others ab- 

 breviated behind ; intervals flat. Length 5-0.5 mm. 



Taken in small numbers by Wolcott near Indiana Harbor, Lake 

 County. April 23-May 13. A member of the boreal fauna. 



70 (308). Bembidium in.equale Say, Jouru. Phil. Acad. 

 Nat. Sci., Ill, 1823, 151 ; ibid. II, 07, .540. 

 Bronzed, shining; antennae piceous, the basal joint pak- 

 red; legs blackish-green, femora at base and tibi:e more or 

 less dull yellow. Thorax with sides curved from aiiex to 

 behind middle, sinuate in front of hind angles, which are 

 ."subacute, not carinate ; dislc finely alutaceous, median line 

 deep, basal impressions small, deep. Elytra more than one- 

 half wider than thorax, alutaceous, deei)ly striate, the striie 

 punctured; intervals cduvex, the third to sixth more or 

 less sinuate or irregular. Length 4.7-5.5 mm. (Fig. 40.) Fig. 49. (Original.) 



Southern half of State ; frequent. April 12-Oct. 17. ^ ' 



B. littorale Oliv., coppery or greenish bronze in hue and 5-6.5 



