( SS ) 
brownish^ almost black, more obviously sericeous than the 
thorax; strisenone; lateral margin dull honey, dilated near 
the base into a band of about four abbreviated, unequal, 
longitudinal lines excepting the inner one, not reaching the 
base, another somewhat similar band behind the middle, 
and slight double dilatation at tip of the same colour. 
Length less than one-fifth of an inch. 
This species was obtained in the same locality with the 
preceding. It is closely allied to undulatus, Say, but is 
more sericeous, the elytral lines are not so dilated or conflu- 
ent, &c. 
4. H. interriiptus, Black ; feet, frontal line, three tho- 
racic spots, and many elytral abbreviated lines yellowish, 
inhab. Pennsylvania, 
Body blackish: head with a slight piceoiis tinge; an an- 
terior honey-yellow triangular spot, the superior angle near 
the vertex : antennce pale yellow, dusky at tip : thorax ob- 
soletely tinged with piceous; a lateral irregular spot, and a 
dorsal, longitudinal, somewhat fusiform one, honey yellow; 
elytra with an oblique impressed line at the inner angles, a 
slightly impressed subsutural stria, and an obsolete one on 
each side of the middle ; lateral margin with two slender o- 
blique branches before the middle, slender subsutural vitta 
exterior to the stria, interrupted line or two along the mid- 
dle, a small spot behind near the middle and about two 
transverse series of two or three short lines, dull honey yel- 
low : beneath black: pectus^ feet and epipleura yellowish. 
Length over three-twentieths of an inch, 
i?. H. discicoUis, B eddish brown somewhat sericeous, 
minutely punciured, middle of the thorax without punc- 
tures. 
Inhab. N. W. Territory. 
Body entirely dark reddish brown, with minute punc- 
tures : head : //ioraar with the disk impunctured, 
polished and a little more convex ; elytra darker than the 
thorax, more obviously sericeous; lateral margin a little pa- 
ler; spot at the tip dull yellowish: postpectus black pice- 
ous. 
Length three -twentieths of an inch. 
I obtained an individual of this species during Long’s 
Expedition to the source of St. Peter’s River, and although 
