83 DESCRIPTION OF INSECTS 



Body brownish bronze, glabrous, immaculate, beneath black- 

 ish. 



Head with six or eight frontal, longitudinal, elevated lines, 

 abbreviated on the vertex; nasus with several elevated 

 lines at tip, and a transverse interrupted one at base ; 

 lahrum, a single impressed, longitudinal line ; antennae and 

 palpi deep fuscous, paler at base. 



Thorax as broad as the elytra, transverse quadrate, broadest 

 before the middle, slightly contracted to the base, punc- 

 tures numerous, approximated, obsolete each side of the 

 disk, dorsal line impressed, punctured, basal lines in- 

 dented, lateral edge slightly curved, posterior angles rec- 

 tangular; scutel rounded at tip, impunctured. 



Elytra^ strife obtuse with large punctures, interstitial lines 

 hardly wider than the striae, a dilated, smooth, polished, 

 longitudinal, continued space separated from the suture 

 by a series of impressed rounded punctures. 



Pectus punctured ; postpedus with a few punctures eacii 

 side ; feet black. 



Far. a. Dark green ; tibia piceous. 



Far. ^. Feet rufous ; thorax more contracted behind. 



Genus Bembidium. Latr. 



External maxillary and labial palpi with the penultimate 

 joint largest, dilated ; terminal joint abruptly very slender 

 and short ; anterior tibia emarginate on the inner side. 



Species. 



i. B. ^honestum bronzed, beneath dark blueish-green ; an- 

 tennse, palpi, and feet piceous ; thorax much narrower 

 than the elytra, basal line oblique each side. 



Length one-fourth of an inch. 



Tachys aereus. Melsh. Catal. 



Head black, very slightly bronzed ; palpi piceous, penulti- 

 mate joint of the exterior ones blackish. 



