Goleopterological Notices, VII. 5*71 



longer than the elytra and only just visibly narrower, widest at the middle, the 

 sides parallel and somewhat strongly arcuate ; first dorsal a little longer than 

 the second, with two short parallel basal carinse, }i as long as the segment 

 and separated by rather more than % of the discal width, the intervening sur- 

 face somewhat more impressed ; ventrals two to four rather long, rapidly de- 

 creasing in length, the fifth much shorter. Legs slender, the femora but slightly 

 inflated, the hind tarsi rather elongate, with the second joint nearly twice as 

 long and thick as the third ; claw very small. Length 0.7 mm.; width 

 0.27 mm. 



Pennsylvania (Westmoreland Co.). Mr. Schmitt. 



The only specimen known to me is a female. The under sur- 

 face of the head has but few very short capitate setae, and the 

 ventral sutures are straight and transverse throughout. 



Basolum n. gen. — This name is proposed for a genus which 

 appears to be rendered necessary to fit the published characters 

 of Trimium, impunctatum of Brendel, from the middle Atlantic 

 regions. The head is said to have two oblong isolated fove8e,the 

 ambient sulcus wholly obsolete, the first antennal joint elongate, 

 being twice as long as wide, the maxillarj^ palpi small, with the 

 third joint obliquely rounded and lai-ger than the fourth, which is 

 obliquely conoidal ; the elytra are said to have a fine discal stria 

 extending to the middle. The described characters of the maxil- 

 lary palpi are extraordinary and wholly exceptional among the 

 genera allied to Trimium and Actium ; this, and the elongate 

 basal joint of the antennae, would necessitate its generic isolation 

 under any circumstances, and I am by no means certain that it 

 will prove to be allied to Trimium at all. For the present I would 

 also place in this genus the Trimium durum of Brendel, (Tr. Am. 

 Ent. Soc, XIX, p. 166), in the description of which it is stated 

 that the frontal sulcus is interrupted at the middle, that the discal 

 stria of the elytra extends to the middle and that the third joint 

 of the maxillary palpus is globular, half as thick as the fourth, 

 the latter but little longer than wide. If durum is not a Basolum 

 it will require a distinct genus, on account of palpal structure. I 

 have been unable to study either of these remarkable species. On 

 request, Mr. XJlke, of Washington, sent me what he stated to be 

 the only example of T. impunctatum in his cabinet. This proves 

 to be merely a representative of a species of Actium, apparentlj^ 

 identical with angustum, described above, having the basal joint of 

 the antennae rather smaller than the second, the cephalic foveas 

 united by a deep parabolic sulcus and the palpi perfectly normal. 



