Coteoptera of Canada. 323 



tured. Prothorax convex; the surlace rather distantly 

 punctured, slightly channelled at the middle behind ; the 

 sides behind the middle are parallel, then at the middle 

 somewhat suddenly obliquely narrowed to the front. The 

 sides are obtusely angulated before the anterior angles, 

 which are dentiform. Elytra with rather strongly punc- 

 tured furrows, the intervals also densely punctured, the 

 sides parallel and obtusely rounded at the tip, third and 

 fourth stria? confluent before reaching the extremity. The 

 humeri are covered with a conspicuous red spot; larsi 

 piceous. Variable in size, •25-'3*J in. 



Cortmbites hamatus, Say. • (Plate V, fig. 7.) 



Elater hamatus, Say, Tr. Am. Phil. Soc, 6, 170. 



Gorymbites hamatus, Lee, loc. cit. 



Robust, head and thorax black, rather finely densely 

 punctured, the punctures almost concealed by the short 

 yellow pubescence. Thorax convex, with the sides rounded, 

 the hind angles moderately divergent, disk channelled at the 

 middle near the base ; sides, hind angles and inflexed por- 

 tion of the thorax, as well as the anterior lobe of the pros- 

 ternum rufo-testaceous. Elytra pale yellow, with a brown- 

 ish curved spot near the extremity, and the suture also 

 infuscate behind. The elytral stria? are well marked, with 

 the intervals convex and densely punctured ; antenna? 

 brown, second and third joints nearly equal ; legs brown 

 testaceous. 



Length 43; 11 mm. 



New Jersey (Geux), Ontario, Montreal. 



Gnorimus maculosus, Kn. (Plate V, tig. 8.) 



Cetonia maculosa, Knoch. 

 Trichius maculosus, Schonherr. 



Trichius bigsbii, Kirby, Zool. Journ., iii, 155, t. v., f. 7 ; 

 Fauna Bor. Am., Pt. IV, p. 136. 



(rnorimus dissimilis, Gory. 



