408 AKTHRIBID^. 



[LeConte. 



OHORAGUS Kirby. 



1. O. Ziramermanni, n sp. 



Oval-subcylindrical, brown, without lustre, slightly pubescent, pro- 

 thorax densely punctured, elytra deeply striato-punctate, interspaces 

 densely and finely punctulate, antennae and legs yellow. Length 1.3 mm. ; 

 .06 inch. 



North Carolina ; Dr. C. Zimmermann. According to description this 

 species difters from the European C. Sheppardi hy tlie prothorax not being 

 very finely punctured, and from G. piceus by the elytra not being shining. 



2. O. Sayi, n. sp. 



Elongate-oval, subcylindrical, blackish, prothorax densely punctured, 

 slightly pubescent, elytra deeply striato-punctate, shining, interspaces less 

 densely and more distinctly punctulate; antennae dark testaceous, feet 

 piceous. Length 3.3 mm. ; .09 inch. 



Washington, D. C. ; Mr. Ulke. Larger and narrower than the preced- 

 ing, with dai'ker legs, and shining elytra. 



Tribe IV. XEKORCHESTINI. 



The species of this tribe have lost all appearance of the family, and in- 

 deed of Rhynchopliora. Tlie only one known to me in our fauna might 

 be readily mistaken for a small CrypfocepTialns; while the Maderan species 

 figured by Wollaston* seems to resemble in miniature Gihhium- 



The body is oval or ovate, very convex, and quite glabrous. The beak 

 is so short as to be not distinct from the front; the antenn* are inserted 

 ujion the front, which is deflexed ; the eyes are small, transverse oval. 

 The first and second joints of the ajiteunse are longer and stouter ; 3-7 

 shorter and thinner, nearly equal ; eighth subtri angular, a little wider, 

 9-11 wider forming a loose club. Prothorax narrowed from the base for- 

 wards, ridge entirely basal, flexed at the hind angles, and continuing a 

 short distance along the sides. Scutellum invisible. Elytra not striate. 

 Tarsi with the first joint elongated ; second triangular, emarginate; third 

 bilobed ; claw^s. slender, not toothed. 



Two genera would seem to be indicated ; the first of which is unknown 

 to me in nature. 



Upper surface smooth XENORCHESTES. 



Prothorax punctured ; elytra with irregular double 



rows of punctures EUXENUS. 



XENORCHESTES Woll. 



1. X. americanus Motsch., Bull. Mosc. 1873, ii, 251. 

 Unknown to me ; found on bushes near Mobile, Alabama. The follow- 

 ing is the description given by Motschulsky : 



Statura et color X saUUantis sed duplo minor ; gibbosus, acariformis, 



* Insecta Maderensia, pi. viii, f. 8. The maxilla has a strikingly Adephagous 

 form, the inner lobe being curved, acute, and sparsely spinose on the inner 

 edge. 



