OF PHILADELPHIA. 303 



2. L. BREVis. — Short and wide ; mandibles one-toothed ; ely- 

 tra smooth, humerus mucronate. 



Body robust, reddish-brown : head wide, rather narrower than 

 the thorax, minutely punctured, a little concave above the man- 

 dibles ; mandibles short, with one simple oblique tooth on the mid- 

 dle, extending inwards and forwards ; thorax wide with minute 

 punctures, angles rounded ; posterior ones not obliquely truncated ; 

 elytra nearly smooth, having numerous small punctures, and ob- 

 solete, hardly impressed lines ; humerus mucronate : anterior ti- 

 biae with five or six small denticulations, and a broad terminal, 

 prominent one widely emarginate; intermediate tibiae with a 

 single spine on the middle. [203] 



Length nearly nine-tenths of an inch. 



This species seems to be related to paraUelus nobis, but it is 

 much wider in proportion to its length, and there are no distinct 

 striae on the elytra. 



[A species of Dorcus unknown to me. — Leg.] 



TENEBRIO Fabr. 



1. T. REFLEXUS. — Blackish-green ; edge of the clypeus re- 

 flected ; thorax subquadrate. 



Tenehrio seruginosus Melsh. Catal. 



Body very dark green, almost black : head minutely and 

 densely punctured, anterior edge of the clypeus regularly ar- 

 cuated and reflected ; antennae black ; palpi blackish piceous ; 

 thorax rather transversely quadrate, minutely and densely punc- 

 tured ; angles subacute : elytra with impressed, punctured striae ; 

 interstitial lines depressed, almost flattened, obsoletely punc- 

 tured : tibiae, anterior pair of the male with a prominent angle 

 above the middle, and with the second pair much arcuated on 

 the inner side. 



Length three-fifths of an inch. 



The specific name seruginostis is preoccupied. 



[This belongs to Centrompus, and is T. calcaratus Fabr. — Lec] 



2. T. RUFIPES. — Black, polished; terminal joint of the an- 

 tennse pale fulvous ; thighs bright rufous. 



Tenehrio rufipes Melsh. Catal. 



Body oblong, black, polished: antennae black, two basal 

 joints piceous, terminal joint, except at its base, fulvous : thorax 

 1825.] 



