244 GEO. H. HORN. 



The prosternal carina is feebly elevated, except in front, where it is prolonged 

 in a short dentiform process. The mesosternal lamina is broadly triangular, the 

 lower edge oblique to the axis of the body, the anterior edge also oblique, the 

 angle acute, sometimes slightly dentiform. 



The males have both the anterior chiws similarly dilated at base, 

 but not forming a distinct tooth, the middle claws less dilated, the 

 posterior simple. In the female the front claws are very slightly 

 broader at base, the middle and posterior simple. 



One 9 specimen in my cabinet has the legs entirely rufo-testace- 

 ous, but does not seem to differ in any important structural charac- 

 ters, and while it may indicate a distinct species, it is retained here 

 until a similar male is found. 



Occurs in Oregon and California. 



P. fucatus Horn. — Oblong oval, distinctly narrower in front, moderately 

 convex, yellowish testaceous or ochraceous, head entirely piceous black, body 

 beneath black, tibise and tarsi pale. Thorax finely, moderately closely punctate, 

 the anterior oblique row of larger punctures distinct, the transverse series indis- 

 tinct. Elytra a little less closely punctate than the thorax, jiunctures less im- 

 pressed, but a little more distant and coarser toward the apex, the punctures of 

 the usual larger series indistinct. Length .20 — .22 inch. ; 5—5.5 mm. PI. iii, 

 fig. 10. 



The prosternal carina is well elevated at the anterior end. The mesosternal 

 carina horizontal beneath, nearly vertical and slightly sinuous in front, the free 

 angle slightly mucronate. 



Front claws of male equal, each rectangularly toothed, middle 

 claws toothed, posterior claws broadened at base. In the female the 

 front claw is like the middle claw of the male, the middle claw 

 slightly thickened at base, the posterior claw simj)le. 



The surface is quite shining, as if varnished. In the few speci- 

 mens examined it seems not to vary appreciably. 



Occurs in Utah and Arizona. 



P. cuspidatus Lee. — Oval, slightly oblong, a little narrower in front, 

 moderately convex, piceous black, sides of thorax distinctly, of elytra very in- 

 distinctly paler. Head black, a large pale space in front of each eye, moderatelj' 

 closely punctate, with the usual arcuate series of coarser punctures. Thorax 

 piceous, sides paler, the same color extending narrowly along the apex, surface 

 moderately coarsely and closely punctate, more finely at middle, the usual arcu- 

 ate and transverse series of coarser punctures. Elytra punctate similarly to the 

 thorax, but more coarsely and less closely near the apex, the usual series of coarse 

 punctures not well defined on the disc, but deep and coarse near the apex. Body 

 beneath piceous, opaque. Legs piceous, opaque, tibise and tarsi paler. Length 

 .14 inch. ; 3.5 mm. 



Prosternum not carinate, mesosternum with a stout lamina, the lower e<ljie 

 horizontal and sinuous, the apex mucronate. 



