INSECTS COLEOPTERA. 39 



unequally punctured, but the impressions and dorsal channel in that species are much deeper, 

 while the elevated spaces are almost smooth. 



D. fulgida, elongata, rufo-picea, cinero pubescens, thorace pube subflava densius vertito, 

 punctate subcanaliculato, latitudine sesqui breviore, antrorsum angustato, lateribus rotundatis, 

 pone medium sinuatis, postice parum angustato, angulis posticis prominulis, elytris thorace 

 paulo latioribus rugose punctatis, lineis duabus solitis parum distinctis, viridiffineis, epipleuris 

 rufo-piceis, pedibus testaceis, tibiis tarsisque obscuris. Long. "37. 



Steilacoom ; Dr. Suckley. A little broader than D. elongata, and having the thorax formed 

 as in D. testacea and Backii, from which it differs in color. 



Cerylon Latr. 



C. simplex, castaneum nitidum, elongatum minus depressum, thorace latitudine paulo 

 longiore, lateribus postice parallelis, antice rotundatis, sat dense punctate, elytris striis 

 punctatis fortiter impressis, interstitiis subconvexis. Long. "lO. 



San Jose, California. The elytra are regularly although slightly convex transversely, and 

 not at all flattened on the disc, as in C. castaneum and unicolor. The intervals between the 

 striae are somewhat convex, very finely and sparsely punctulate. The thorax is without disc- 

 oidal impressions, and even the basal ones are hardly perceptible. 



Atomaria Kirby. 



A. laetula, oblonga, nigra, convexa, nitida, minus dense punctata, parce albe-pubescens, 

 thorace convexo, rufe, antrorsum angustato, ad basin late rotundate et transversim impresso, 

 elytris convexis, rufis, fascia lata nigro-picea ad medium ornatis, antennis pedibusque rufo- 

 testaceis. Long. '06. 



Variat supra nigra, elytrorum apice late rufo-testacee. 



San Jose, California. Belongs to the second division of Erichson (Ins. Deutsch. 385,) having 

 the antennas more distant from each other than from the eyes ; near the European A. unifas- 

 ciata, from which it differs by the less dense punctuation. 



Pedilophorus Steffahny. 



P. acuminatus, ovatus apterus, convexus, utrinque attenuatus, supra aeneus nitidus, cinereo- 

 pubescens, thorace subtilius, elytris parcius punctatis ; subtus niger fortius punctatus cinereo- 

 pubescens, tarsis piceis articulis tertio longe lobato. Long "IB. 



Morychus acuminatus, Mann. Bull. Mosc, 1852, 341. 



Sitkha, Baron Chaudoir. Much broader than the next species, and gradually narrowed each 

 way from the base of the elytra ; the latter are more sparsely punctured, and the pubescence, 

 though not dense, is coarser. 



P. oUongus, oblongo-ovalis^ apterus, antice subacutus, convexus aeneus nitidus, subtilius 

 cinereo-pubescens, thorace subtiliter, elytris distinctius punctatis ; subtus niger, fortius puncta- 

 tus, cinereo pubescens, tarsis piceis articulo tertio longe lobato. Long. '18. 



Pedilophorus acuminatus % Lee. Proc. Acad. Nat. Sc. 7, 115. 



Oregon. The body is acutely narrowed from the base of the thorax forwards ; the thorax is 

 a little more finely punctured than the elytra ; the latter are nearly parallel on the sides, and 

 obtusely rounded behind. 



