March, 1845.] 219 



flat : beneath blackish, or dark reddish-brown : feet pale rufous ; tarsi sim- 

 ple ; posterior femoral plates abruptly dilated within. 



Adrastus, Meg. 



A. testaceus. Rufo-testaceous, hirsute; clypeus at apex angulated. 

 If 1. long, Jl. wide. 



Elater testaceus, Melsh. Catal. 



Rufo-testaceous, yellowish hirsute : head moderately convex, finely punc- 

 tured, with a longitudinal indentation on the middle of the front ; clypeus 

 acutely angulated at apex; mouth deliexed ; antennai filiform, with the 

 second and third joints subequal ; testaceous longer than the thorax ; thorax 

 wider at base than long, with the sides subrectilinear ; convex, densely and 

 almost invisibly punctured, glossy ; posterior angles slightly excurved, acute: 

 etytra punctate-striate, the interstices convex and finely transversely wrin- 

 kled : beneath reddish-brown, glossy : feet pale testaceous ; tarsi third and 

 fourth joints lobed ; claws pectinate. 



Cajipylus, Fisch. 



1. C. jlavinasus. Black ; clypeus, limb of the thorax, and lateral edges 

 of the elytra, yellowish. 6 1. long; If 1. wide. Pennsylvania. 



Cantharis bilineata, Melsh. Catal. 



Black; head confluently rugosely punctured, impressed, with the clypeus 

 anteriorly broadly yellowish and impunctured, and obtusely rounded at 

 apex; eyes very large, semiglobular, cinereous; antennae more than half the 

 length of the body, serrate from the third joint, black, with the second joint 

 very small, obconic ; palpi varied with pale and black: thorax quadrate, 

 inequal, confluently and coarsely punctured; medial groove entire; lateral 

 margins undulated, broadly yellowish and depressed, anterior margin simi- 

 larly colored, but less broadly ; posterior margin scarcely colored ; hind 

 angles short, acute, strongly excurved ; scutel piceous, sparsely punctulate : 

 elytra punctate-striate, the interstices confluently transversely wrinkled ; 

 lateral edges yellowish to near the apex, and a similarly colored line, origi- 

 nating on the humerus, and descending obliquely and obsoletely to the mid- 

 dle ; sides rectilinear and parallel to near the apex : feet and beneath black- 

 ish or fuscous, with the epipleura, lateral margins of the venter, sides of the 

 antepectus and base of the femora and tibia?, pale. 



2. C? bivittatus. Dark fuscous, hirsute ; elytra alternately barred with 

 brown and testaceous ; thorax elongate. 4 1. long ; £ 1. wide. Virginia. 



Sublinear, fuscous, strongly hirsute, scabrous or rugose ; head small, 

 exserted, with the clypeus short, depressed, at apex slightly elevated, longi- 

 tudinally rugose and truncate ; eyes large, semiglobular, pale brown : an- 

 tennae long, slender, fuscous, with the joints subcylindric, basal joint cla- 

 vate, second very small, obconic, third nearly as long as the fourth, terminal 

 joint longest, cylindric : thorax elongate, subcylindric, narrower before than 

 at base, with the sides rectilinear from the posterior angles to the apex ; 



