528 Coleopterological Notices, VI. 



above; tibise and tarsi slio'htly infuscate; anteunte black, joints tliree to 

 five more or less dark rufo-piceous; pul^escence rather short and sparse, 

 ashy-white, the intermixed setjE rather abundant but unusually short and 

 in great part pale on the elytra, especially toward the sides. Head not 

 quite two-thirds as wide as the prothorax, smooth, not rugose at the 

 sides, finely, remotely punctate, the epistoma rather long, moderately 

 transverse; labrum almost semi-circularly rounded ; eyes moderate in 

 size but prominent, distant from the base; antenuai but slightly longer 

 than the prothorax, the last three joints just visiblj' wider, the penultimate 

 transverse, fifth scarcely dilated. FrofJiora.r fully two-thirds wider than long, 

 the sides broadly rounded Ijehind the middle, feebly convergent and straighter 

 anteriorly, slightly convergent and sinuate toward the basal angles which are 

 acute and minutely prominent; base strongly arcuate but becoming oblique 

 and subsinuate near the angles; apical angles obtuse and blunt but rather 

 pronounced; apex broadly arcuato-truucate ; disk minutely and remotely 

 punctate, feebly rugose near the basal angles only. Fli/fra scarce]}^ three- 

 fifths longer than wide, almost one-fourth wider than the prothorax, parallel, 

 very feebly inflated behind, the sides slightly arcuate except near the base; 

 apex almost evenly rounded ; disk rather finely but strongly, somewhat closely 

 punctate. Abdomen finely and not very densely cinereo-pubescent. Length 

 3.1 mm.; width 1.25 mm. 



Arizona (near the Grand Caiion of the Colorado). 



The single type pf this distinct species is a female, with the 

 fifth ventral rounded behind and feebl}^ impressed on the disk in 

 a large rounded median area : it was collected and kindly given 

 to me by Dr. T. Mitchell Prudden, of New York. 



80. T. pedalis Lee— Proc. Acad. Nat. Sci., Phila., 1866, p. 355 (Pristo- 



scelis). 



Elongate-oval, strongl}^ convex, highly polished, black with a 

 very feeble greenish-aeneous lustre ; legs red ; antenna; dark tes- 

 taceous, the first and outer joints blackish ; pubescence coarse, 

 sparse, erect and bristling, blackish throughout, the marginal 

 fringe of the elytra more or less pale. Head scarcel}^ m.ore than 

 three-fifths as wide as the prothorax, smooth, finelj' and remotely 

 punctate, the impressions separated by a large and pronounced 

 impunctate convexity ; labrum strongly rounded ; e^-es rather 

 large and prominent ; antennae barel}' as long as the prothorax, 

 slightly incrassate, the penultimate joints transverse. Prothorax 

 large, slightly more than one-half wider than long, the sides 

 rounded at basal third, thence distinctly convergent and very 

 feebly arcuate to the apex, convei'gent and straight to the basal 

 angles which are very obtuse but not rounded; apex truncate, de- 



