AMERICAN COLEOPTERA. 391 



H. lacustris. Say. Am. Phil. Tr. ii., 10.3.— Very finely punetulate, head 

 and thorax smooth, body black, legs, antennae and upper surface ochreous, 

 clouded with darker. L. -055 incb. 



Atlantic Region, abundant. Easily recognized by the elytral por- 

 tion of the basal striae being much longer than the thoracic portion. 



H. pullus, Lee. Pr. Acad., 1855, p. 294.— Glabrous, shining, head, thorax, 

 body and legs rufous; the two former almost smooth ; elytra finely and closely 

 punctulats, dorsal series of punctures visible, black with faint yellow villa. 

 L. -06 inch. 

 Louisiana. 



H. macularis, Lee. Ann. Lye. v., p. 206,— Very like H. pullus, but with- 

 out the dorsal punctures and the thorax has a discoidal dark spot; the vittoe 

 also are more broken. L. -06 inch. 



California, (Leconte). Texas, (Belfrage). 



H. affiilis, Say, Am. Phil. Tr. ii., 103.— Shining, glabrous, nearly unicolor- 

 ous, da r k reddish-brown, finely punctate. L. -06 inch. 

 Atlantic Region ; not rare. 



H. fuscatus, (Zimmermann, MSS), sp. n. — Extremely near H. affinis and 

 principally distinguished by the coarse punctuation of the elytra; the head 

 and thorax are almost smooth, except at the base; the color is unicolorous 

 brown with paler shades on the elytra; £ sub-opaque. L. -06 inch. 



Lake Superior to Florida. 



H. obscurellus, Lee. Ann. Lye. v., p. 206; erythrostomus, Mannh. Bull. 

 Mosc. (1852), p, 305. — Variable in color, faintly pubescent and sometimes near- 

 ly vittate in pale specimens. L. -06 inch. 



California, Oregon, Russian America. 



H. inconspicuus, Lee. Pr. Acad., 1855, p. 294.— Head, thorax, legs and 

 body beneath bright orange; elytra opaque, closely punetulate, pubescent' 

 brown. L. -06 inch. 

 Southern States. 



H. Havicollis. Lee. Pr. Acad., 1855, p. 294. — Attenuate behind, thorax 

 rather broad, sides rounded, sub-convex; head, thorax, legs and body beneath 

 yellow; elytra brown, each with two paler yellow spots; upper surface entirely 

 opaque, transversely subrugose. L. -05 inch. 



Illinois, Pennsylvania. Distinct by the thoracic plica not extend- 

 ing to the elytra, and the body punctate beneath. 



E. — Thorax with a basal striola, and with the whole base transversely depressed, 



sides forming an angle with the elytra. 

 H. alpinns, Payk. Faun. Suec; U-lineatus, Lee. Lake Sup., p. 214.— -Elon- 

 gate oval, beneath black, legs, antennae and upper surface ochreous; above sub- 

 opaque obsoletely and sparingly punetulate, beneath sub-rugulose; head with 

 a bilobed fuscous mark, thorax witli two obsolete fuscous marks, sides slightly 

 rounded; elytra each with six linear vitta and two submarginal spots fuscous, 

 f elytra dentate before the apex. L. "17 inch. 

 Lake Superior, Canada. 



