Coleopterological Notices, IV. 423 



sparsely scattered throughout the upper surface, intermixed with 

 large rounded non-strigose scales of a whitish tint, especially no- 

 ticeable on the prothorax except in a large, more or less distinct 

 spot toward base on each side of the median line, and on the elytra 

 in a large rounded or subannular sutural spot before the middle, 

 along the sutural interval and near the humeri and subapical um- 

 bones ; the alternate strial intervals with a single series of long- 

 stiff erect and widely spaced sette ; under surface densely clothed 

 with large whitish scales. Beak rather long and slender, squamose 

 but only just visibly thicker toward base, distinctly longer than the 

 head and prothorax ; antennae inserted just beyond the middle, the 

 first funicular joint not as long as the next three, second and third 

 subequal, both longer than wide. Prothorax small, one-third wider 

 than long, constricted behind the apex. Elytra two-fifths wider 

 than the prothorax and a little less than three times as long, one- 

 third longer than wide. Posterior femora unarmed, rather slender. 

 Length 1.35-1.8 mm.; width 0.65-0.8 mm. 



California (Yuma); Arizona (Benson and Tugson). A rather 

 abundant species, easily recognizable by the mixture of large 

 rounded unevenly distributed scales and long stiff erect setae, 

 bristling on the elytra. Although the ample series before me 

 shows great variation in size, I am unable to detect any sexual 

 differences in the structure of the beak. 



16 T. S1l1>fasciatlis n. sp. — Oblong-oval, moderately convex, dark 

 red-lirown ; tip of beak pale rufous ; antennal club black ; vestiture com- 

 plex, uneven in distribution, consisting of short subrecumbent and very 

 robust setae and larger rounded whiter scales, the latter especially evident 

 on the elytra along the entire sutural interval and in a wide feebly defined 

 vitta from the humeri to the subapical umbones, also in a conspicuous trans- 

 verse area, wider and subannulate toward the suture, situated scarcely before 

 the middle of the length ; the alternate strial intervals with a single series of 

 short, erect, very stout and widely spaced setae ; under surface densely clothed 

 with large rounded concave and whitish scales. Head covered with large 

 umbilicate scales, the beak moderately stout, feebly, evenly arcuate, very 

 feebly tapering from the base, a little longer than the head and prothorax, 

 densely squamose except beyond the antennae, the latter inserted at apical 

 two-fifths, short, the first funicular joint not quite as long as the next three. 

 Prothorax two-fifths wider than long, the sides convergent from base to apex 

 and feebly arcuate, the subapical constriction feeble ; apex nearly three- 

 fourths as wide as the base. Elytra one-third wider than the prothorax 

 and fully three times as long, two-fifths longer than wide, parallel at the 

 sides in more than basal half, obtusely rounded behind ; striae coarse, punc- 



