Sept. 1S97] HaYWARD : COLEOPTERA OF N. E. AMERICA. 141 



scarcely wider than long; legs yellowish testaceous. Length, .12-. 14 inch ; 

 3-3. 5 mm pedicellatum. 



Slightly depressed ; color varying from brownish to nearly black, slightly xneous, 

 elytra with a large, triangular subhumeral spot, and a smaller one, behind the 

 middle, yellowish testaceous ; thorax rather more than one half wider than 

 long; legs yellowish testaceous. Length, .10-. 14 inch ; 2. 5-3.5 mm. 



quadrimaculatum. 



44. Black, slightly ceneous ; thorax cordate, slightly wider than long, very distinctly 



narrower at base than apex, basal impressions unistriate ; elytra more than 

 one-half wider than the thorax, variegated with testaceous markings along the 



margin; legs testaceous. Length, ,10-14 inch ; 2.5-3.5 mm affine. 



Piceous or nearly black, the elytra often tinged with brown, unicolorous; thorax 

 about one-half wider than long, subcordate, slightly narrower at base than 

 apex, basal impressions bistriate ; elytra slightly wider than the thorax ; legs 

 rufo-testaceous. Length, .10-. 13 inch; 2.5-3.25 mm muscicola. 



45. Slightly elongate, moderately convex; black, often tinged with greenish, elytra 



with a subapical spot and the apex pale ; thorax subquadrate, slightly nar- 

 rower at base than apex, hind angles carinate ; elytra moderately finely striate, 

 the striae abbreviated behind, the two inner nearly entire ; legs rufo-testaceous. 

 Length, .13-.14 inch; 3.25-3.5 mm sulcatum. 



46. Thorax distinctly wider than long ; elytra about one-half wider than the thorax . 47 

 Thorax scarcely wider than long ; hind angles rectangular ; convex, nigro- 



seneous, the elytra often brownish, deeply striato-punctfite, with a subapical 

 spot and the apex pale testaceous, legs testaceous. Length, .08-. 11 inch; 



2-2.75 ^^ assimile. 



47. Hind angles of thorax acute ; form slightly elongate, convex ; color black, 



scarcely seneous, the elytra with a subapical spot and the apex more or less 

 testaceous; basal impressions of thorax unistriate ; elytra finely striato-punc- 

 tate; legs piceous or rufo-piceous. Length, .13-.15 inch ; 3.25-4 mm. 



anguliferum. 



Hind angles of thorax rectangular ; less elongate than angiiliferiiin ; color nearly 



as in that species, the ely tral spots more marked ; basal impressions of thorax 



bistriate; striae of elytra deeper; legs rufous or pale rufo-piceous. Length, 



.12-.15 inch ; 3-3.75 mm caututtl. 



48. Slightly elongate, convex; black, scarcely reneous; thorax distinctly narrower 



at base than apex; striae of elytra with deep, not closely placed punctures ; legs 

 yellowish testaceous. Length, .15-. 17 inch; 3.75-4.25 mm. .semistriatuitl. 



49. Maxillje with the outer lobe biarticulate ; elytra with two dorsal punctures on the 



third strice. 



Thorax about one-half wider than long, basal impressions moderately deep ; 

 elytra oblong-ovate, slightly wider than the thorax, deeply striate, the 

 strice entire ; form elongate, depressed ; color dark rufous, the elytra vary- 

 ing to slate-color; legs rufous. Length, .14-. 16 inch; 3.5-4 mm. 



puritanutn. 

 Maxilla with the outer lobe with the two joints united; mandibles long, slender, 

 nearly straight; elytra with two dorsal punctures on the third interval. 

 Feebly convex ; rufous or rufo-piceous ; thorax slightly wider than long, dis- 



