454 BULLETIN 63^ UNITED STATES NATIONAL MUSEUM. 



roiiiuled, gradually narroAviiio- to ai)ex; tlisr scarcely convex, acutely 

 inflexed at the sides, sculptured with rows of moderately coarse 

 punctures, bearing short hairs, and more or less distinctly rugose. 



Epipleu7'W Avith sui)erior nuirginal line distinctly elevated. 



Ahdomen with the third segment placed more or less obliquely to 

 the second. Legs ferruginous brown. 



Male. — Third abdominal segment distinctly o])liquely ])laced to 

 the second. Anterior tibiic suddenly and briefly sinuate at base. 



Female. — Third abdominal segment slightly oblique to the second. 

 Anterior tibise gradually narrowing at base. 



MeasiD'etnents. — length, .88-.44 inch. 



Hahitat. — California (Vallecito, LeConte; Maricopa Desert, 

 Horn). 



• Unknown to me in nature. Extremes of this species should always 

 be carefully compared with those of E. planipennis. 



EMBAPHION ELONGATUM Horn. 

 EiiilxiphUni (■litii(/<itiiiii Horn. Trnns. Aincr. I'liil. Soc. I'liilM.. XI \', ISTO, j). 



Elongate, oblong-oval, nearly three times longer than wide, mar- 

 gins of body not foliaceous, surface dull, acute elytral margin reach- 

 ing to the apex; usually finely sculptured. 



Head small, scarcely twice as wide as long, quite flat, impressed 

 laterally within the supra-antennal convexities, the latter quite prom- 

 inent, impression extending nu)re or less feebly along the frontal 

 suture; surface finely, sparsely, irregulai'ly and nuiricately ])unctured, 

 obsoletely so at times. Anfenme long, reaching beyond the ])ro- 

 thoracic base, outer four joints feebly compressed, scarcely widened, 

 third joint equal to the next two combined, fourth to the seventh, 

 inclusive, sube<iual; eighth slightly compressed and subtriangular; 

 ninth circular, and at times slightly widened; tenth suborbicuhir; 

 eleventh oval to ovate. 



Pronotvni about one-fourth wider than long, evidently narrowed 

 behind; margin acute, moderately explanate, more or less reflexed ; 

 disc feebly to moderately convex, finely and sparsely asperately 

 punctate, granular laterally on the margins; a per more or less 

 moderately emarginate — the emarginatiou less than one-third to one- 

 fourth wider than deej), obsoletely uiargiued; sides evenly aiul 

 moderately arcuate from ai)ex to base; Ixisc \)vo\wy truncate to feebly 

 arcuate and about equal to the apex ])roper. obsoletely margined: 

 apical angles narrowly rounded, sul)acute. attaining the eyes; basal 

 angles obtusely rounded and pi'ojecting slightly beyoiul the middle 

 of the base. 



Fropleiiro' more or less concave beneath the margin at point of 

 reflexion, surface smooth, opaque and very sparsely, finely punctulate. 



