76 MEMOIRS ON THE COLEOPTERA 



with decided greenish lustre, the elytra castaneous, nubilously paler 

 toward the humeri and in a bioblique posterior fascia; under surface 

 black, the legs rufous, the femora rarely in part more obscure; head 

 moderate, the antennae long and slender, fuscous, gradually testa- 

 ceous basally; prothorax nearly as in Incidum, a third to two-fifths 

 wider than long, the anterior impression rather strong, the posterior 

 obsolescent medially; surface rather convex, the moderate stria gen- 

 erally attaining the base but not the apex; foveae large, very deep, 

 broadly impressed, with the bottom elongate-linear, the carina al- 

 most equally long, fine but distinct; elytra oblong, parallel, with 

 but very feebly arcuate sides, rapidly rounding at the humeri, rather 

 obtusely circularly rounded at apex, not quite three-fifths longer 

 than wide, about one-half wider than the prothorax, the striae rather 

 fine, not impressed, finely and somewhat closely punctate, the foveae 

 at three-sevenths and near two-thirds. Length (cf 9 ) 4.8-5.5 mm.; 

 width 1.8-2.0 mm. Nevada (Reno) nevadense Ulke 



Body oblong-oval, similar in coloration, the legs pale testaceous; head 

 and antennae nearly similar; prothorax somewhat shorter but other- 

 wise as in nevadense and Incidum; elytra differing from those of neva- 

 dense in their more oval form, the sides being distinctly arcuate, less 

 rapidly rounded at the humeri and with the apex more gradually 

 ogivally rounded, the lateral margins more broadly and strongly .re- 

 flexed; striae more impressed suturad but otherwise similar; foveae 

 differing in position as a rule, being near basal and apical third. 

 Length (cf 9 ) 4.8-5.7 mm.; width 1.8-2.2 mm. California (coast 

 regions from Sta. Cruz to Humboldt) subinflatum Mots. 



Body nearly as in the European ustulatum, oblong-oval, rather convex, 

 shining, black, with feeble viridi-aeneous lustre anteriorly, the elytra 

 nearly black, with a large nubilous oblong pale area at the sides 

 basally and a pale bioblique subapical fascia, generally widely inter- 

 rupted at the suture; under surface piceous-black, the legs pale 

 rufous; head moderate, slightly narrower than an elytron; antennae 

 long, slender, piceous, testaceous basally; prothorax a third wider 

 than long, much narrower at base than at apex, the strongly rounded 

 sides abruptly straight and parallel in basal fifth or sixth, the angles 

 right; apex only very feebly sinuate; surface convex, the anterior 

 impression distinct and punctulate; base punctate, the impression 

 obsolete medially; stria sometimes subentire; foveae broadly im- 

 pressed, deep and linear at the bottom, the carina short and feeble; 

 elytra more than one-half longer than wide, one-half wider than the 

 prothorax, parallel, with distinctly arcuate sides, somewhat gradu- 

 ally rounding at the humeri and very gradually ogival at apex; 

 sides distinctly arcuate; striae not fine, noticeably impressed, very 

 fine and obsolescent at apex; punctures strong, deep and close-set, 

 disappearing near posterior third; seventh stria a series of minute 

 and rather close punctures, obsolescent behind the middle; foveae 

 near basal and apical third. Length (d 71 9 ) 4-5-5-5 mm.; width 

 1.75-2.05 mm. New York (Long Island) and Indiana. 



tetracolum Say 

 A Similar to the preceding but with the thoracic base barely evi- 



