472 BULLETIN 63, UNITED STATES NATIONAL MUSEUM. 



first is a little longer than the second ; niesotarsi about two-sevenths 

 of their length shorter than a metatarsus; Joints two, three, and 

 four subequal. a little longer than wide, and together just a little 

 longer than the fifth; the first about one and a half times longer 

 than wide. 



The metatarsi are about one-half of their length shorter tlian their 

 metatibia ; first and fourth joints equal in length and either one is 

 equal to the second and third taken together; the latter tAvo are sub- 

 equal in length, each about twice as long as wide. 



EMBAPHION CONTUSUM van LAMINATUM Casey. 



Moderately robust, black and dull throughout. 



Head small, very finely, sparsely, and subasperately punctate. 

 Anteniup slender, third joint from four to nearly five times as long- 

 as wide, eighth one-half longer than wide. 



Pronotum about one-half wider than long; disc proper very feebly 

 convex, fully as long as wide, and having two feeble, subparallel, and 

 sinuous impressions near the middle ; surface throughout finely, ex- 

 tremely sparsely, and subasperately punctate; apex strongly emargi- 

 nate, the emargination not quite three times as wide as deep; side 

 margins very widely and strongly reflexed, the outer edges parallel, 

 strongly and evenly arcuate throughout ; base transverse ; basal angles 

 broadly rounded and projecting beyond the median portion of the 

 base. 



Elytra from one-half to four-fifths longer than wide; base trans- 

 versely truncate; humeri rounded; sides very thin and broadly but 

 not abruptly reflexed, the acute lateral edges parallel and feebly 

 arcuate in basal two-tliirds, then rounded to apex and slightly pro- 

 longed, uniting in a prolongation of the suture ; disc distinctly wider 

 than the prothorax, each elytron broadly concave, the suture elevated ; 

 inflexed sides nearly flat, somewhat coarsely and sparsely but un- 

 evenly punctate; surface of disc with approximate, imperfectly 

 defined and feebly impressed rows of rather coarse, impressed punc- 

 tures, also finely and sparsely asperate. 



Epipleurw very imperfectly defined except near the ajjex. 



Legs very slender. 



Male. — Somewhat slender. 



Female. — IVIoderately robust. 



Measurements. — Length, 14—15 mm. ; width, G.8-7.5 mm. 



Genital characters not studied. 



/labitat.— Texas (El Paso, G. AV. Dinin). 



Unknown to me in nature. 



Type in Colonel Casey's collection. 



Type-locality. — El Paso, Texas. 



