3HS TERTIARY INSECTS OP NORTH AMERICA. 



scutellum more coarsely. Hemelytra reaching just about the tip of the 

 abdomen, the corium not beyond its middle, testaceous, rather finely and 

 very distant!}* and evenly punctate, the punctae showing- no disposition to 

 longitudinal arrangement ; membrane faintly infumatecl. Sides of abdo- 

 men as dark as the disk. 



Length of body, not including the terminal extension of the abdomen, 

 4.6r) mn '; antennre, 1.65"""; breadth of body, 1.25 mm ; abdomen, 1.1[) mm . 



Dedicated to Mr. Frank H. Bradley, geologist of the Hay den Survey. 



Florissant. One specimen, No. 14236. 



4. PHRUDOPAMERA gen. nov. (tppovdo?, Pamera, nom. gen.). 



Head rounded, of about equal length and breadth, rather broader than 

 the apex of the thorax, more or less produced in front of the antennae; eyes 

 situated at the outermost limits of the head, a little in advance of the base, 

 of moderate size, subglobular ; antennae as long as the head, thorax, and 

 scutellum together, the basal joint barely or not surpassing the front of the 

 head, the three succeeding joints subequal, the last incrassated so as to be 

 half as broad again as the middle of the second joint. Thorax scarcely 

 longer than the head, half as broad again as long, tapering forward from 

 the posterior limit of the anterior lobe, the sides ampliated ; posterior mar- 

 gin truncate or slightly convex, the anterior margin similarly concave. 

 Legs moderately stout, the middle femora not more than two-thirds the 

 width of the body at their insertion. Abdomen moderately full, well 

 rounded. 



Two species occur in the shales of Florissant. 



Tabh- of the xjH'cies of Phrudopamera, 



Front of heail distinctly angnlate ....................................................... 1. /'. inl*oni. 



Front of head broadly rounded or snb truncate ........................................ 2. P. ehittendeni, 



1. PHRUDOPAMERA WILSONI. 



* 



PI. 27, Figs. 9, 16. 







Head smooth, the front rectangulate in advance of the antennae : 

 antennae of uniform color. Thorax finely and evenly granulate ; hemelytra 

 rather heavily punctured in definite longitudinal lines following the course 

 of the veins; these infuscated but the rest of the hemelytra scarcely infns- 

 membrane dear. Abdomen oval, somewhat elongated. 



