OF AMERICA NORTH OF MEXICO. 
339 
13. L. ATRATA.—Brevis nigra, capite thoraceque pube erecta flava dense veslitis, confertim punctatis, hoc 
convexo, antrorsum valde angustato, basi constricto, lateribus subangiilatis disco subcanaliculato, elylris 
postice angustatis cojifertim punctatis, subtilius versus apicem, hoc late truncato. Long. 'bC. 
Trigonarlhris atrata, Dej. Cat. 
Georgia: very rare. 
14. —L. cuRvsoooMA.—Niger dense aureo-pubescens, thorace cribroso, convexo, antrorsum valde angustato 
lateribus valde rotundatis, postice modice constricto subcanaliculato, elytris postice angustatis, 
apice truncatis, rufo-testaceis, raargine postice infuscato, confertissime subtiliter rugose punctatis. 
Long. '6. 
Kirby N. Z. 179 ; tab. 5, fig. 2. 
Leptura iridis, Dej. Cat. 
Found in the Northern part of New York, and at Lake Superior on roses and iri.s 
The male is narrower than the female, and has longer antennse. 
E. 
15. L, AUUiPiLis. —Nigra dense aureo-pubescens, thorace confertissime punctato, convexo, antrorsum 
modice angustato, lateribus paulo rotundatis, canaliculate, elytris postice angustatis, apice truncatis > 
rufo-testaceis, confertissime subtiliter punctato rugosis, ano, tibiis tarsisque rufis. Long. -6. 
Santa Fe, New Mexico. This species is very similar to the preceding, but the 
form of the thorax at once distinguishes it. 
Subelongate, black, densely covered with golden hair, head and thorax densely 
punctured, the latter scarcely as wide as long, somewhat narrowed in front, slightly 
constricted behind, disc convex finely canaliculate, sides slightly rounded. Elytra 
one-half wider than the thorax, narrowed behind, where they are slightly divergent 
and truncate, rufo-testaceous, covered with very fine punctures. Beneath black, 
covered with golden hair, margin of the abdominal segments and anus testaceous. 
Feet black, tibice and tarsi rufous. 
16. L. TIBIALIS. —Nigra, breviter flavo-pubescens, capite thoraceque conferlissime punctatis, hoc convexo 
antice parum angustato, apice basique constricto, lateribus vix rotundato, elytris confertim punctatis, 
subparallelis, apice paulo dehiscentibus, introrsum oblique leviter truncatis, macula laterali ad medium, 
altera majore pone medium apieeque iiigris, tibiis tarsisque flavis, illis apice fuscis. Long. -43. 
Lee. in Agass. Exp. 
One specimen. St. Ignace, Lake Superior. 
17. L. QUADRicoLLis.—Elongata, nigra capite thoraceque confertissime punctatis, dense flavo-pilosis, hoc 
quadrate, convexo, antrorsum non angustato, elytris postice subangustatis, grossius sat dense punctatis. 
Long. '41. 
Vermont. Professor C. B. Adams. Elongate black, beneath covered with thick 
yellow pubescence, head and thorax very thickly punctured, almost granulate, the 
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