NORTH AMKRIf'AN fOI,K01'TKKA. MV.i 



T. SiiUnonnis. Motsehulsky Bull. Mosc. is, p. 52r., 1S4.').— L. c. .87—1 iniii. 

 — Itathcr slinrt and bmad, convex, piti-hy black, thickly clothed with .short fulvous 

 hair; head large; eyes small, not prominent; thorax short, longer and wider thsni 

 the head, widest at the base, ornamented with small tui)ercles irregularly dis- 

 tributed; sides scarcely rounded, hinder angles acute, but little produced, {»ale; 

 elytra slightly attenuated towards the apex, longer but not broader than the heail 

 and thora.x, moderately asperate in transverse wavy rows, ratlier depressed, apex 

 much rounded, pale, with the edge white ; abdomen short; legs moderate, bright 

 vcUow; antennjc rather long and slender, bright yellow. 



Diflfers from T. Henric! in the form and .sculpture of the thorax, ile- 

 pressed and more attenuated elytra, ami hriuht yellow leiis and antennae. 



Sitka (:Maklin). 



T. Ileiirici Matthews Trich. Illust. p. ISo, 1872.— L. c. .75— .87 mm.— Short, 

 obtuse, convex, black, clothed with very short pale liair; head prominent, large 

 and broad ; eyes moderate; thorax rather short, longer and much broader than 

 the head, widest near the base, ornamented with very small remote tubercles, 

 much dej)ressed at the base; sides abruptly rounded towards the base and mar- 

 ginetl, liinder angles broad, acute and produced : elytra short, quadrate, not longer 

 or wider than tlie head and thorax, asperate in transverse straight rows; sides 

 slightly rounded, apex broad, nearly straight and pale; abdomen short; legs and 

 antcTUue rather short, piceous. 



Differs from other species in its short and broad form, externally dilated 

 posterior anules of the thorax, general scul])ture and piceous lejis and 

 antennai. 



Vancouver's Island (H. and J. ^latthews). 



T. nbriipta Ilaldeman Journ. Acail. Nat. S<'. Philadelphia. — L. c. .87 mm. — 

 Ovate, short and broad, very convex, black, thi(^kly covered with rather long ful- 

 vous hair; head moderate, rather long; eyes rather large and prominent; thorax 

 moderate, very convex, longer and much wider than the head, widest before the 

 base, ornamented with rather large distinct tubercles irregularly arranged ; sides 

 rounded and margined, hinder angles acute, moderately produced , elytra short 

 not longer, and rather narrower than the head and thorax, closely, and rather 

 deeply asperate in curved transverse rows; sides slightly rounded, rather con- 

 tracted at the apex, apex broad, verj' little rounded, pale with the edge white ; ab- 

 domen rather long, obtuse, with the apex jiale ; legs rather short. l)right yellow: 

 antennce dusky yellow. 



I)iff"ers from other species in its small size, sliort, broad, and very con- 

 vex form, prominent head, broad thorax and narrow elytra. 



United Sttites. 



T. excelSB Matthews n. sp. — L. c. .87 mm. — Short, somewhat rounded, not 

 attenuated posteriorly, very convex, rather shining, thinly clothed with brown 

 hair; head and thorax black, elytra rufescent; liead large; eyes prominent; 

 thora.x very convex, depressed at the base, rather longer and much broader than 

 the head, widest before tlie base, ornainented with minute tubercles in remote, 

 wavy, transverse rows, with the interstices reticulated and siiining; sides mar- 

 gined an 1 much munded, liasal margin almost straight, with the angles broad, 



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