168 CHARLES W. LENG. 



» 



Brown, brilliant cupreous, bright green or shades between them 

 above, beneath green ; elytral markings consisting of humeral lunule 

 oblique, hooked at tip, middle band with long, moderately sinuous 

 longitudinal portion, apical lunule inflected at both ends, anterior 

 end moderately prolonged, all connected by a white marginal line ; 

 head and thorax clothed with white pubescence; thorax with sides 

 slightly rounded, broader behind and slightly protuberant at basal 

 angles in the female ; elytra closely punctate, oblique at apex and 

 serrulate ; moderately sinuate near tip in the male, tip itself acute 

 with a sutural spine; emarginate in the female, with a distinct sub 

 apical tooth limiting the emargination, tip less prolonged than in 

 male, but with sutural spine ; beneath densely clothed with decum- 

 bent hair, except in the middle, even the sides of head hairy ; legs 

 very long, trochanters rufous ; palpi pale ; labrum short, one toothed. 

 Prof. Wickhara has found the cupreous, green and brown forms 

 flying together at Luna, N. Mex. 



Gabbii group. 



C. Gabbii Horn, 1866, Proc. Ac. Phil., p. 39.5; Schaupp, I.e., p. 102, pi. 4, fig. 89. 

 Length 11-12 mm.:=.44-.48 inch. 



Habitat. — "On the mud of salt marshes at San Diego and Wil- 

 " mington, So. Cal., in August and September, and rarely taken on 

 "the ocean beach." (Fall.) 



Olivaceous bronze, beneath green-bronze ; elytral markings con- 

 sisting of humeral lunule obtusely bent and hooked at tip, middle 

 band curving towards the base and suddenly bent at an obtuse 

 angle and obliquely prolonged tow^ards the suture and continued 

 nearly to the apical lunule, which is anteriorly very greatly pro- 

 longed, all connected by the marginal line; head finely striate in 

 front and between the eyes, granulate behind ; labrum short, one- 

 toothed ; thorax wider than long, rounded at the sides, granulate, 

 hairy at the sides; elytra closely, coarsely punctured, conjointly 

 rounded at tip, not sinuate $ ; separately rounded at tip, obliquely 

 narrowed, scarcely sinuate 9 ; serrulate in both sexes ; beneath, the 

 palpi, pleurae, coxae, legs and sides of abdomen are hairy, but the 

 head is not ; palpi and hind trochanters pale. 



HiRTILABRIS group. 



Cylindrical, very slender species; anus green ; palpi pale; very hairy, abdomen 

 pubescent even at middle ; elytra sinuate at apex, more deeply in the 

 female. 



