118 Coleopterological Notices, VI. 



except the entire abdomen, which is black ; elytra sometimes 

 feebly infuscate toward the middle ; pubescence coarse, moderatelj' 

 long and abundant. Head subquadrate, truncate but scarcel3' at 

 all impressed at base, the angles narrowly rounded ; tempora 

 parallel, rather longer than the CA'es which are moderate in size 

 and convexit}'; surface coarsel}' and unevenly punctate, the punc- 

 tures very sparse toward the broad smooth line, Init closer and 

 with the interspaces reticulate toward the sides ; antenniv short, 

 slender, very feebly incrassate, scarcely as long as the head and 

 prothorax, the tenth Joint a little wider than long. Prothorax 

 subequal in width to the head, short, scarcely as long as wide, the 

 sides feebly oblique and straight posteriori}' ; disk somewhat 

 finely but strong]}', rather unevenly punctate, the punctures gen- 

 erally well separated. Elytra barel}' two-tjiirds longer than wide, 

 twice as wide as the prothorax, the sides parallel and evenly 

 arcuate ; apex rather obtusely rounded ; humeri moderately ex- 

 posed at base, broadly rounded ; disk somewhat convex and finely 

 but strongly punctate, the punctures close but distinctly separated. 

 Length 1.75 mm.; width 0.6.5 mm. 



California (San Diego). This is one of the smallest species of 

 the genus. 



41. A. vagans n. sp. — Somewliat narrow, moderately convex, sinning, 

 pale flavo-ferruginous throughout, the pubescence stiff, moderately long and 

 abundant, subdecumhent. Head subquadrate, feebly convex, truncate and 

 unimpressed at base, the angles rather broadly rounded; tempora parallel and 

 distinctly longer and nearly as prominent as the eyes, the latter moderate iu 

 size and not very convex ; punctures very coarse, sparse, scarcely closer and 

 with the interspaces highly polished toward the sides; antennae somewhat 

 slender, very gradually and feebly incrassate, distinctly shorter than the head 

 and prothorax, the tenth joint f«lightly transverse. Prothorax trapezoidal, 

 much narrower than the head, not (juite as long as wide, widest and narrowly 

 rounded at apiciil fourth, the sides thence moderately convergent and straight 

 to the base; disk rather coarsely, deeply, evenly and densely punctate. Eh/Ira 

 three-fourths longer than wide, fully twice as wide as the prothorax, the sides 

 parallel and broadly, feebly arcuate; apex moderately broadly rounded; 

 humeri well exposed and rounded; scutellar impression and omoplates com- 

 pletely obsolete; punctures deep and somewhat dense, not much larger than 

 those of the pronotum. Abdomen finely and rather sparsely punctate, scarcely 

 darker in color, the legs very slender, moderate in length. Length 1.9-2.2 

 mm.; width 0.6-0.7 mm. 



Idaho (Ca'ur d'AR'ne).; Montana; Wyoming (Laramie). Mr. 

 Wickham. 



