Coleopterological Notices. 369 



Prothorax but slightly shorter and narrower than the head, evenly 

 convex, without median impressed groove, having a feeble sub- 



foveolate impression near the base simplex 



Anterior and intermediate femora dentate arniatus 



The characters of armatus are taken from the original description. 



A. filllbriatllS n. sp. — Rather robust and convex, moderately shining, 

 dark piceous-brown, the elytra much paler, rufo-ferruginous ; vestiture pale 

 flavate. Head slightly longer than wide, the apex with a feebly rounded 

 emargination which is finely denticulate throughout its width ; sides nearly 

 straight and very feebly convergent behind from apical third, the basal angles 

 rounded ; surface somewhat coarsely and densely punctate, longitudinally 

 impressed near the eyes, clothed with erect arcuate strongly clavate setae ; 

 antennae robust, nearly as long as the head and prothorax, densely clothed 

 with robust erect scales, outer joints strongly transverse. Prothorax as wide 

 ' as long, slightly narrower and very much shorter than the head ; base and 

 apex subequal and subtruncate ; sides rounded anteriorly, strongly conver- 

 gent and sinuate toward base ; disk surrounded throughout with dense fimbriae 

 of extremely coarse erect hairs, those of the sides longer than those of the 

 bases ; surface rather finely, extremely densely punctate and dull, with two 

 even parallel lines of closely placed suberect scales which are separated by 

 about one-third tbe width, the interval scarcely perceptibly impressed except 

 near the base and totally devoid of pubescence ; surface thence to the sides 

 witli a few widely scattered and smaller scales. Elytra oval, three-fourths 

 longer than wide, in the middle about twice as wide as the prothorax, the 

 costae very strong, each bearing a dense series of unusually long erect ex 

 tremly robust hairs, the intervals each with two series of very coarse deep 

 punctures and a single line of similar setae which are much more widely 

 spaced. Abdomen coarsely and densely punctate throughout. Legs moderate. 

 Length 4.0 mm. 



Arizona (Tucson). Mr. Wickham. 



This species is not at all closely allied to any other, and may be 

 easily distinguished by its more robust form and very prominent 

 lateral and costal fimbriae ; also by the two even setose lines of the 

 pronotal disk. 



A. simplex n. sp. — Rather slender, very dark piceous-brown, alutaceous 

 in lustre. Head slightly longer than wide ; sides behind the eyes just visibly 

 convergent for a short distance, then very gradually, broadly rounded to the 

 neck, the hind angles entirely obsolete ; antennae very robust, cylindrical, the 

 tenth joint wider, eleventh very small. Prothorax slightly but distinctly nar- 

 rower and shorter than the head, slightly longer than wide ; base and apex 

 equal, truncate, densely fimbriate with long, porrect and very robust sets ; 

 sides strongly rounded anteriorly, rather distinctly convergent and very 

 broadly, feebly sinuate thence to the base, the basal angles rather prominent ; 



