AMERICAN COLEOPTERA. 149 



neath black, shining and moderately punctured. Prosternal sutures in front 

 canaliculate. Legs black. Length .42 — .48 inch ; 11 — 12 mm. 



This species must be referred to the group with L. minis, Lee., and 

 L. U/kni, Horn, it differs from the former by the sides of the thorax 

 being more rounded and the hind angles slightly divergent, and from 

 the latter by the anterior angles not suddenly narrowed in front. The 

 rufous humeral spot is large, involving a narrow space across the en- 

 tire base of the elytra; the inner margin of the rufous space is along 

 the third stria and extends along it one-third the length of the elytra, 

 then obliquely backwards to the lateral margin, involving the epi- 

 pleurae, along which it extends to the tip. 



Two specimens are before me from the collections made by Lord 

 Walsingham, in Oregon, and kindly loaned by Mr. G. R. Crotch, to 

 whom I take very great pleasure in dedicating it. 



HYPOBHAGl S, Thorns. 

 H. gilensis, n. sp. — Elongate oval, black, moderately shining. Head 

 densely and evenly punctured. Antennae dark brown, outer three joints some- 

 what paler. Thorax trapezoidal, as long as wide at apex, base one and a half 

 times broader, apex trnncate narrowly margined with rufous, anterior angles 

 obtuse, sides straight, hind angles slightly reflexed ; surface less coarsely punc- 

 tured than the head, punctures finer and more distant along the- middle, 

 denser, and more elongate at the sides. Elytra with rows of fine punctures, 

 the inner two nearly obsolete, especially at base, outer rows slightly elevated, 

 intervals finely punctulate; surface more shining along the middle. Body be- 

 neath dark brown, shining, punctured less densely in front, more densely at 

 the sides and tip of abdomen. Legs piceo-rufous, sparsely punctulate. Sub- 

 mentum % with slight fossa and brush of hairs. Length .30 inch ; 7.5 mm. 



The elytra are slightly broader at base than the thorax, with the 

 sides moderately rounded and gradually narrowing. The form of the 

 thorax is very nearly that of the figure of costnlatus, Thorns. (Ann. 

 Ent. Soc. France, 1860, pi. iii.). The male has but two joints of the 

 anterior tarsi dilated and pubescent beneath. This is the largest 

 species in our fauna. 



One specimen collected south of the Gila River in Arizona. 



H. opuntite, n. sp. — Elongate oval, sub-opaque, black, anterior margin 

 and sides of thorax paler. Elytra with rows of moderatety coarse punctures, 

 the outer four slightly elevated, intervals sparsely and obsoletely punctured. 

 First two joints of anterior tarsus of male dilated and pubescent beneath. 

 Length .22 inch; 5.5 mm. 



This species resembles closely the preceding, but the thorax is less 

 broad behind. The rows of punctures are coarser, and the inner rows 

 entire and very distinct. The punctulations of the intervals are much 

 finer and more obsolete. The form of the two species in almost ex- 



