Goleopterological Notices, VI. 811 



lobes much broader and shorter than in Amnesia, the eyes being 

 invariably far distant from the prothorax. The three species vasij 

 be distinsfuished as follows : — 



o 



Elytral suture prominent and keeled near the summit of the posterior declivity; 

 serial punctures each Avith a rather large scale hut otherwise nude. 

 Serial punctures small; hind tibiaj very strongly bent near the apex in the 



male segnis 



Serial punctures much coarser ; scales brilliantly metallic in color ; hind tibiae 



of the male only very feebly arcuate toward apex lecoiltei 



Elytral suture not keeled near the apex but with a small and abruptly ele- 

 vated double tubercle; serial punctures not squamigerous but each with a 

 short hair attached anteriorly; scales in great part opalescent..verrucifer 



D. segnis of LeConte (Pac. R. R. Rep., 1857, App. 1, p. 56), is 

 rather abundant in the northern parts of California; it is uni- 

 formly and soberly clothed with small rounded pale brown scales 

 having a pearly lustre, but which become feebly metallic beneath 

 and on the legs. 



D. lecoiltei n. sp. — Elongate and narrow, strongly convex, black, the 

 antenna} and legs black throughout; scales small, rounded, dense throughout, 

 pale greenish with coppery reflections, indefinitely nubilate with blackish on 

 the elytra and still more indetiniteh- clouded on the pronotum, the paler 

 scales more conspicuous on the femora in outer third. Ifead one-half as wide 

 as the prothorax, the head and entire beak densely clothed with greenish scales 

 intermingled with short hairs; interocular fovea wanting; eyes separated bj- 

 three times their own width ; beak stout and thick, not twice as long as wide, 

 dilated at apex, thinner toward base in profile, two-thirds as long as the 

 prothorax, the transverse impression distinct ; antennae very long and slender, 

 the scape extending rather beyond the base of the eyes, very slender, thickened 

 at apex, funicle as long as the entire prothorax, all the joints elongate, the 

 two basal greatly so, seventh longer than the sixth, club narrow, elongate and 

 acutely pointed. Prothorax as long as wide, the sides parallel and broadly 

 arcuate, more convergent near the base, the latter subequal to the apex, both 

 subtruncate, the ocular lobes short, broad and fimbriate; disk finely, sparsely 

 and scarcely visibly punctate, squamose and with short erect brownish hairs. 

 Scutellum extremely short, scarcely entering the disk. Elytra elongate, twice 

 as long as wide, only slightly more than twice as long as the prothorax and 

 but verj' slightly wider; sides parallel and very feebly arcuate, rather nar- 

 rowly rounded behind; suture strongly keeled at the summit of the apical de- 

 clivity, the latter nearly straight, deep and not quite perpendicular in profile; 

 disk with feebly impressed series of rather coarse, deep, moderately close-set 

 punctures, each enclosing a large rounded scale; intervals subequal, feebly 

 convex, generally equally so, but occasionally with the alternate intervals very 

 slightly more convex, having very short and unevenlj^ distributed hairs in ad- 

 dition to the scaly vestiture. Abdomen densely soah' and pilose, the first 



