396 Goleopterological Notices^ VII. 



23 — Body more ventricose, the elytra always distinctly more than J^ wider 



than the prothorax 24 



Body narrow and elongate but convex as usual, the elytra about % wider than 



the prothorax ; transverse pronotal impression strong 30 



24 — Prothorax strongly conical 25 



Prothorax very feebly conical and frequently subparallel in basal half 29 



25 — Elytra strongly but sparsely punctate toward base, the punctures obsoles- 

 cent broadly along the crest of the flanks 43 diTiSlim 



Elytra not punctured or uniformly and very inconspicuously punctulate 26 



26 — Elytra strongly inflated, the humeral plica and adjacent impression well 



developed , 27 



Elytra less inflated, the humeral plica and impression smaller and less dis- 

 tinct 28 



27 — Prothorax very small, scarcely more than 3^ as wide as the elytra; eyes 

 very large and prominent. 



Body black throughout; antennal club pronounced 44 testaceipes 



Body blackish, the elytra bright red; antennal club very slender and more 



gradual in formation 45 iueriue 



Prothorax not so small, always distinctly more than ^4, as wide as the elytra; 

 eyes moderately large in size. 

 Elytral vestiture rather long and suberect; antennal prominences evident, 

 with the front impressed between them. 

 Elytral suture with a broad bead which is broadly expanded at base. 



46 innocuum 

 Elytral suture not beaded ; head larger and more transverse, with larger 



eyes 47 conifer 



Elytral vestiture shorter, more abundant and recurved, even; antennal 

 prominences completely obsolete, the front not impressed. 



48 castaneum 



28 — Elytra not punctulate, the transverse pronotal impressions very feeble as 



usual; elytral suture with a strong bead toward base, which is rapidly 



expanded at the basal margin. 



Elytral vestiture rather long and abundant though recurved ; body dark in 



color 49 triTiale 



Elytral vestiture shorter and sparse; body paler in color; penultimate joint 



of the antennae more transverse 50 oscillans 



Elytra vaguely punctulate, the pronotal impressions rather strong; elytral 

 suture only very feebly elevated toward base; body minute in size. 



51 pyramidale 

 29 — Elytral pubescence very short and decumbent; head larger; posterior 



femora rather strongly clavate; size much larger 52 oregonense 



Elytral pubescence longer and less decumbent, rather sparse; head noticeably 



small, distinctly impressed between the antennal prominences; posterior 



femora feebly clavate; size minute. 



Body pale rufous; elytral pubescence rather short; prothorax parallel, with 



the sides straight toward base 53 nimbatum 



