Til K (JJJUl'N I) WE KTLKS. 



75 



nn. Thorax cordate, the base truncate. 



p. Thorax slightly wider than long, distinctly narrower a1 

 base than apex ; elytra black, slightly bronzed, with 

 dull yellow markings along the margin. 96. affine. 

 pp. Thorax one-half wider than long, but slightly narrower at 

 base than apex; elytra piceous or nearly black, with- 

 out pale spots on margins. musctcoia. 

 mm. Frontal stria? very oblique, strongly convergent, the outer one 

 the shorter and often very faint ; thorax cordate, truncate 

 at base. 



q. Thorax distinctly wider than long, the hind angles acute ; 

 elytra black, scarcely bronzed, with submarginal spot and 

 apex more or less dull yellow ; larger. 3.2-4 mm. 



97. ANGULIFEEUM. 



<j(j. Thorax scarcely wider than long, the hind angles rectangu- 

 lar; elytra brownish-bronzed with subapical spot and 

 apex pale ; smaller, 2-2.7 mm. 9S. assimile. 



II. Frontal strife nearly straight, the outer one entire; elytra black 

 or greenish-black, shining, with a submarginal spot and apex 

 dull yellow; length 3.2-3.5 mm. sulcatum. 

 bb. Dorsal punctures of elytra in irregular rows on all the intervals, 

 each puncture bearing a distinct, bristle-like hair ; all the strife 

 abbreviated behind the middle. 00. semistriatum. 



aa. Eyes small, flattened: outer lobe of maxillae with the two joints united; 

 color uniform reddish-brown. oblongulum. 



87 (366). Bembidilm cobdatum Lee. Ann. Lye. Nat. Hist.. IV, 1848, 457. 



Moderately elongate, depressed. Head and thorax coppery or greenish- 

 bronzed, alutaceous; elytra dull brownish-yellow, with a humeral spot, a 

 small oblong spot on third interval and two cross-bands connected by a 

 sutural line, bronzed or nearly black. Thorax with sides strongly curved, 

 sinuate near base; hind angles rectangular, finely carinate; basal impres- 

 sions rather deep, bistriate. the outer stria very feeble. Elytra one-third 

 wider than thorax, striae finely punctate to behind the middle; intervals 

 fiat. Length 5.5-6.2 mm. 



Vigo County; rare. June 19- July 3. 



88 (388). Bembidium intermedium Kirby. Faun. Bor. 



Amer.. IV, 1837, 58. 

 Elongate, slightly depressed. Dark greenish-bronzed: 

 elytra with the apex, a small subapical spot near the 

 margin and rarely a short cross-band in front of middle, 

 dull brownish-yellow : antennae fuscous, the basal joints 

 paler. Head and thorax alutaceous. the latter with sides 

 curved to behind middle, thence oblique to base ; hind 

 angles obtuse, carinate; basal impressions small, rather 

 deep, bistriate. Elytra one-third wider than thorax, the 

 strife finely punctured to behind the middle; intervals 

 flat. Length 3.7^1.5 mm. (Fig. 50.) 



Fig. 50. 

 (Original.) X 0. 



