310 PROCEEDINGS OF THE ACADEMY OF 



Smaller, very sliiuing, iridescent, elytral striae obsoletely punctured ; hind 

 angles of prothorax obtuse not prominent, anteunrc and feet bright 

 ferruginous. 72. corrusculua u. sp. 



D. 



(Posterior tarsi with 3 joints grooved on the outer side ; body elongate, 

 prothorax moderately narrowed behind, basal angles subrectangu- 

 lar, occasionally prominent, impressions single or double, in the 

 latter case the angles are sometimes feebly carinated ; elytra elon- 

 gate oval, or subovate, usually convex, dorsal punctures 2-6. but 

 not very constant ; humeral angles rounded, tip more or less sinuate, 

 scutellar stria sometimes long, sometimes short, species in part 

 opinionative and indistinct.) 

 a. Base of prothorax not margined near the hind angles ; legs blackish. 



* Base of prothorax between fovea and angle convex, or at least not 



flattened ; elytra convex, scutellar stria long, dorsal punctures small : 

 Brassy, elytral striae fine, first and second striae connected behind by a deeper 

 hook : outer basal impression puuctiform, indistinct, hind angles 

 nearly obtuse. 73. vindicatus Mann. 



Elytral striae deeper : 



Black, basal fovea? of prothorax not punctured. 74. ventricosus Dej. 

 Bronzed, basal foveae punctured. 75. suhexaratus Mann. 



** Base of prothorax between foveae and angle flattened ; elytra convex, 

 scutellar stria, dorsal punctures : 

 Bronzed, hind angles of prothorax nearly obtuse, outer fovea wanting, inner 



one punctured. 76. pinguedineiis Dej. 



Morebrilliant green bronzed, hind angles rectangular. 77. hyperhoreus Men. 

 b. Base of prothorax margined near the hind angles ; legs usually 

 ferruginous ; scutellar stria generally short : 



* Outer basal fovea small, but distinct, angles not carinate : 

 Prothorax more narrowed behind, angles rectangular, sinuosity short. 



78. Jiudsonicus Lee. 

 Like preceding, but smaller, less convex, sides of prothorax more sinuate, 



though less narrowed behind ; quadricollU Mann. 79. similis ]\Ien. 

 Broader, and less convex, hind angles prominent, sides of prothorax more 

 sinuate. 80. fatuus Mann. 



** Outer basal fovea longer, hind angles subcarinate, foveae confluent, 

 forming a depressed space : 

 Hind angles slightly prominent, elytral striae rather deep ) fascoceneus Chaud. 



81. ripanus Dej. 

 Hind angles more prominent, sides more sinuate, elytral striae finer, espe- 

 cially towards the sides and tip. 82. confusus ]\Iann. 

 ** Outer basal fovea wanting, space from angle to fovea generally less 

 flattened (thus resembling the species in (a*) but the base is margined 

 towards the angle, and the feet are ferruginous) ; elytral punctures 

 strongly marked. 



