188 QtO. H. HORN, M. D. 



Body above with more or less metallic lustre. 

 Legs entirely black. 



Abdomen black, basal segments above with pale silken pubescence. 



Head, thorax and elytra violet TaolaceilS. 



Last two segments of abdomen red. Head, thorax and elytra blue. 



rutilicaiida. 

 Legs bicolored. Abdomen black with sericeous pubescence at the base 

 of each segment. 



Head, thorax and elytra bronzed viridaiius. 



12. — Thorax as wide as long, sides feebly arcuate, disc moderately densely 

 punctured and with smooth spaces in front on •each side, and at middle 



posteriorly; color decidedly seneous exiilans. 



Thorax longer than wide, sides nearly parallel, disc with coarse, deep and 

 irregularly placed punctures; color black with very feeble aeneous 

 tinge prselougus. 



S. uigrelliis n. sp. — Entirely black, subopaque. Head orbicular, densely 

 punctured, a fine median smooth line. Eyes slightly oblique, oval, truncate 

 in front. Antennae a little longer than the head, piceous. Thorax longer than 

 wide, not wider than the head, sides feebly arcuate, posteriorly slightly sinuate, 

 base more distinctly arcuate, surface densely punctate with a smooth median 

 line. Scutellum punctured, finely pubescent. Elytra a little wider than the 

 thorax, conjointly as wide as long, very densely and more finely punctured 

 than the thorax. Abdomen finely punctured, less densely on the terminal 

 segments, the last four having numerous large irregularly placed punctures. 

 Body beneath and abdomen sparsely puuctate and shining. Legs black, tarsi 

 brownish. Length .60 inch; 15 mm. 



The entire surface is sparsely clothed with short black pubescence 

 feebly evident on the head and thorax, more distinct on the elytra, 

 feeble on the abdomen. 



This species can not be confounded with any other in our fauna, 

 it being the only one entirely black in this section. 



Occurs in Oregon and northern California. 



S. badipes Lee, carbonatus Lee, New Species, 1863, p. 36. — Piceous black, 

 moderately elongate, legs and antennae pale rufous. Head orbicular, densely 

 punctured, front more sparsely. Eyes oval, slightly oblique, subtruncate in 

 front. Antennae a little longer than the head. Thorax longer than wide and 

 a little narrower than the head, sides posteriorly distinctly sinuate, surface 

 very densely punctate with a smooth median line. Elytra conjointly a little 

 wider than long, densely punctate and clothed with short brownish hair. Scu- 

 tellum punctate and sparsely pubescent. Abdomen above moderately densely 

 and finely punctate, sparsely clothed with short black hairs, each segment with 

 sparsely placed coarse punctures, segments 1 — 5 with a small spot of golden 

 pubescence at the middle of the anterior margin, beneath moderately densely 

 and finely punctured along the anterior borders of the segments, more sparsely 

 posteriorly, seguients 2 — 6 with golden pubescence along the anterior border. 

 Metasternum coarsely punctured. Length .50 — .66 inch; 12.5 — 17 mm. 



The differences between this species and pleuralis are mentioned 



