422 G. R. CROTCH, M. A. 



G. inseriptuS, (Lee. MSS.) sp. n. — Ovate, black, antennae and legs red, 

 elytra yellowish, slightly bronzed; thorax bronzed, sides nearly straight, 

 rather strongly margined, closely and obsoletely reticulated; elytra with the 

 dorsal series well marked, with accessory punctures on the disc, surface very 

 finely and obsoletely strigulose ; prosternal process convex, posterior legs as in 

 G. punctulatus. % anterior claws simple, tarsi very little dilated. 9 surface 

 opaque, visibly reticulate. L. -25 — "28 inch. 

 Labrador. (Leconte.) 



G. strigulosus, sp. n. — Narrowly ovate, black, antennae and legs rufous 

 (posterior femora infuscate); thorax bronzed, rather largely reticulate, sides 

 nearly straight, anterior angles rufous; elytra yellowish-brown, disc darker, 

 entirely covered with a fine reticulation forming large unequal areolae, dorsal 

 series well marked, with numerous accessory punctures irregularly placed; 

 prosternal process sub-carinate, posterior femora strigose, tibiae with a short 

 basal row of punctures. % anterior tarsal claws simple, tarsi moderately di- 

 lated. L. -26 inch. 



California. (Leconte ) Lake Tahoe. 



G. fimbriatus, Lee. Lake Sup., p. 214; reticulatus || Aube, Spec, p. 355. 

 — Regularly ovate, opaque, black, antennae and legs rufous, elytra brown, mar- 

 gins ferruginous; thorax with the sides slightly rounded, sub-rufous, rather 

 finely margined, surface unequally and coarsely reticulated; elytra sculptured 

 similarly to the thorax, dorsal series obsolete, slightly pubescent; prosternal 

 process rather broad, convex, posterior femora strigose, tibiae finely punctate, 

 last joint of tarsus larger than the fourth. % tarsal claws simple. 9 reticula- 

 tion closer. L. -32 inch. 



Pennsylvania, Lake Superior. (Leconte.) 



G. tristiS, Aube, Spec, p. 356 ; var. dubius, Mannh. B. M. (1843), ii., p. 

 221.— Elongate oval, rather narrowed behind, tolerably shining, pitchy black; 

 thorax with the anterior angles broadly fulvous, sides slightly rounded, sinu- 

 ate before the anterior angles, pretty strongly margined; elytra coarsely and 

 rather evidently reticulate, areolae small, dorsal series tolerably marked, with 

 numerous punctures; prosternal process convex and not acutely carinate; 

 posterior femora strigose, tibiae coarsely punctate. % anterior tarsal claws 

 » simple, tarsi narrow. L. "40 inch. 



Sitkha. (Leconte, Horn.) 



Var. — Thorax entirely black. — Lake Tahoe. 



G. arctieus, Payk. Fn. Suec. i., 201; subfasciatus, Lee. List, p, 17; reticu- 

 latus, Kirby, Faun. B. A. iv., 71.— Ovate, black, legs ferruginous, elytra griseous, 

 with the margins and epipleura yellowish, thorax fulvous, anterior and pos- 

 terior margins black, head rufous in front; thorax with the sides slightly 

 rounded, anterior angles porrected; elytra with visible irregular areolae (pro- 

 ducing a slightly scabrous effect); prosternal process depressed. J, anterior 

 claws elongate, sinuate, tarsi broad. L. '30 inch. 



Labrador. (Leconte.) Lapland, Scotland. 



In coloring, this resembles Colymbetes notatus. 



