542 Coleopterological Notices, IV. 



lose at the sides, and with an even series of small but deep punctures 

 just before the basal margin not quite extending to the scutellum. 

 The elytral striae are in the form of narrow but deep abrupt grooves, 

 minutely and distantly punctate at the bottom, the intervals flat, 

 wide, each with a single series of excessively minute distant punc- 

 tures, except the lateral three, where the punctures become distinct 

 but feeble, not very dense, confused and transversely rugulose or 

 subasperate. The lustre throughout is highly polished, and the 

 color black, the prothorax being often entirely red, but I do not 

 notice that this character is at all geographical in origin as stated 

 by LeConte (Proc. Am. Phil. Soc, XV, p. 301), a good series 

 before me from Indiana being composed of both color modifications 

 in equal numbers. It varies greatly in size. Length 2.7-4.7 mm ; 

 width 1.3-2.2 mm. 



Entire Atlantic region, extending westward to Kansas and Texas. 

 The anterior femora are armed beneath with a small tooth, which 

 is rendered more prominent by reason of a deep and abrupt sub- 

 apical emargination immediately beyond it. The intermediate and 

 posterior femora are not distinctly denticulate in undulatus, but in 

 an entirely similar, but shorter and broader species before me, from 

 Santarem, Brazil, all the femora are distinctly spiculate beneath. 



The pygidium in this genus is distinctly oblique in the male but 

 vertical in the female, which corresponds somewhat with the pygi- 

 dial differences of the male and female in Conoproctus quadripus- 

 tulatus. 



41 LOB IRIS. 



LeConte— Proc. Am. Phil. Soc, XV, p. 288. 



This genus is one of the most distinct of the tribe, and is remark- 

 ably homogeneous in the general aspect of its species, which are 

 unusually convex, polished and, with the exception of dux, almost 

 evenly ellipsoidal in form. 



Aulobaris differs from all of our other genera of pygidiate Barini, 

 in having .the second funicular joint elongate and fully as long as 

 the next two combined. In its free and divergent tarsal claws it 

 resembles Baris, but in spite of this there is a certain assemblage 

 of characters which suggests a rather closer relationship with Pseu- 

 dobaris. In fact Aulobaris pusilla was originally described as a 

 Pseudobaris, and Pseudobaris anthracina (Lee. nee Boh.) as an 

 Aulobaris, showing how closely they approach each other in external 



