398 Goleopterological Notices, VII. 



Antennae shorter, with a more feebly marked club; subhumeral impression 



very large and conspicuous 66 mutilans 



40 — Large species, always over 13^ mm. in length ; subsutural impressions 



very deep 41 



Smaller species, always under 1^ mm. in length 42 



41 — Subhumeral impression large, deep and conspicuous. 



Antennal club distinctly differentiated 67 capillosulum 



Antennal club scarcely at all defined ; tarsi longer 68 proximiim 



Subhumeral impression smaller and very feeble ; elytra more elongate, less 

 ventricose and more posteriorly pointed than in capillosulum. 



69 illustre 

 42 — Prothorax larger, much more than 3^ as wide as the elytra. 



Antennal club pronounced, parallel and well differentiated... 70 lynceum 

 Antennal club incrassate, narrow and more feebly differentiated. 



71 liasale 

 Prothorax small, not much more than 14 as wide as the elytra. 

 Pronotum strongly impressed near the basal margin. 



General color piceous ; subbasal impression of the pronotum not dis- 

 tinctly interrupted at the middle 72 politum 



General color pale testaceous ; elytral pubescence very long ; subbasal 



impression of the pronotum completely divided. .73 longipilosiim 



Pronotum very feebly and obsoletely impressed ; general color piceous ; 



elytral pubescence moderately long and erect 74 lacunosum 



43 — Elytral pubescence unusually sparse 75 fllitarse 



44 — Femora dark in color. 



Larger species, more than 1}4 mm. in length 76 atrum 



Small species, but little more than 1 mm. in length ; prothorax small, about 



14 as wide as the elytra 77 pertinax 



Femora and entire legs pale testaceous in color. 



Penultimate antennal joint not strongly transverse. 



Prothorax small, scarcely more than 14 as wide as the elytra ; hind body 



strongly inflated ; small species 78 pallidipes 



Prothorax rather distinctly more than 14 as wide as the elytra ; larger 



species 79 nigrum 



Penultimate antennal joint strongly transverse ; pronotum strongly and 



almost continuously impressed near the basal margin. ..80 paganum 



45 — Elytral pubescence rather coarse, pale, erect and conspicuous ; pronotal 



impression strong, very narrowly and imperfectly interrupted at the 



middle 81 limatum 



46 — Basal joint of the hind tarsi relatively shorter, not as long as the next 

 two combined 82 pumilum 



The extreme constancy of type throughout the genus is very 

 remarkable, and necessitates a careful scrutiny in order to distin- 

 guish the numerous species, which in some parts become closely 

 allied among themselves ; bat, as in nearly all similar cases, this 



