* 



Coleopterological Notices. 393 



the Blapstini, and especially in Mecysmus, but Eupsophus appears 

 out of place in any of the tribes thus far proposed. The genera 

 may be grouped as follows: — 



Eyes more prominent than the sides of the head, the latter prolonged in front 



of them Eupsophi 



Genera Eupsophus and AlcepJms 

 Eyes less prominent than the sides of the head. 

 Eyes not entirely divided. 



Eyes at a considerable distance from the prothorax Texebrioxes 



Genera Calcar and Tenebrio 

 Eyes very near the prothorax ; head much shorter, transverse. ..Opa trim 



Genera Opatrinus, Scleron and Pachypterns 



Eyes entirely divided Blapstini 



Genera as given below 



The Opatrumini will include Opatrum, Gonocephalum, Scleropa- 

 trum, Pseudolamus, Melambius, Heterophilus, Opatroides, Hadrus 

 and Ephalus. Of these genei'a, the only ones found within the 

 nearctic region are Gonocephalum and Ephalus. Our single repre- 

 sentative of Gonocephalum was described by LeConte as Blapstinus 

 latifrons ; it is entirely congeneric with the European forms, and 

 appears to be not only rare but very restricted in habitat; it occurs 

 in Vancouver Island. Ephalus latimanus is well known in cabi- 

 nets, but is somewhat rare; it is found in the Atlantic region, and 

 is not very closely related to any other genus. 



The Amphidorini will of course remain as at present known. 



The Leichenini, as here considered, consist of a few singular 

 genera previously distributed among, or forming several groups of, 

 the Opatrini of Lacordaire, but which have in common a very 

 strong bond of affinity ; in fact in spite of the difference in vestiture 

 Ammodonus and Microzoum are comparatively closely allied. It 

 will be noticed that the constancy and consequent taxonomic value 

 of the epipleurae becomes completely lost in the present tribe, — as 

 is also the case in the Ulomini. The genera may be defined as fol- 

 lows, those which are not nearctic being indicated by an asterisk : — 



Anterior tibiae strongly dentate or produced externally at or near the apex. 

 Eyes nude, completely divided or extremely nearly so ; epipleura entire. 

 Anterior tibia? very short and robust ; eyes rather finely faceted. 



*IMicrozoum 

 Anterior tibia? slender ; eyes much larger, coarsely faceted. 



Ammodonus 



