260 FOSSIL COLEOPTERA 



on the flanks, antennal grooves well marked and much arcuate, proster- 

 num wedge shaped, narrowed behind, the front margin arcuate, face mi- 

 nutely punctulate, a deep longitudinal stria along each side. Mesosternum 

 emarginate. Metasternum nearly smooth at middle, coarsely but not 

 closely punctate laterally, the side pieces more coarsely and densely, tarsal 

 grooves extending obliquely outwards and backwards from the middle 

 coxae, very slightly arcuate. Hind coxal plates rather narrowly wedge 

 shaped, their inner posterior margins, (perhaps accidentally), irregularly 

 dentate. Under side of abdomen deeply, closely, and rather coarsely 

 punctate, the punctures becoming more or less confluent longitudinally, 

 which, with the coating of hairs, gives the appearance of irregular stria- 

 tion. Second, third and fourth abdominal segments subequal, first and 

 fifth longer. Tarsal grooves convergently arcuate anteriorly, straight and 

 divergent posteriorly, reaching to the apex of the third segment. Legs 

 short, rather slender. Length, 3.80 mm. 



Described from one specimen, showing the underside only, 

 collected by myself on the Wilson Ranch near Florissant, Colo- 

 rado. The type is in my collection. 



Not the slightest doubt can be entertained as to the relation^ 

 ships of this insect. It is a Padopus in all characters of importance 

 though plainly specifically different from the recent P. hornii 

 of our Pacific coast. The modem insect has the prosternum and 

 the middle of the metasternum much more strongly punctured, 

 the antennal clavation a little less pronounced and the abdominal 

 tarsal grooves more arcuate and convergent. Both are similarly 

 hairy and of about the same size. 

 Melanophila heeri sp. nov. (Plate VI, fig. IL) 



Form moderately elongate. Head rather large, extremely closely but 

 not coarsely punctate between the large eyes. Prothorax about twice as 

 wide as long, damaged on one side, the other indicating that the greatest 

 width is well in front of the middle and that there is no angulation, but 

 the sides narrow regularly and arcuately anteriorly and are nearly straight 

 posteriorly from the widest point. Surface punctuation moderately 

 coarse, confluent transversely so as to give the appearance of striation in 

 that direction. Elytra nearly four times as long as the prothoracic median 

 line, the sides subparallel to behind the middle, apex of the more perfect 

 one rounded but not so bluntly as in M. cockerellae. Surface finely punc- 

 tured, the punctures a little coarser at sides and near the apex, not ex- 

 tensively confluent anywhere and generally well separated. Legs wanting. 

 Length, to elytral apices, 10.50 mm. 



Described from one specimen, with counterpart, collected by 

 myself on the Wilson Ranch near Florissant, Colorado. The type 

 is in mv collection. 



