— ;i 9 - 



Piceous without lustre, very densely clothed with dirty yellow hair; sides of ely- 

 tra broadly testaceous, blending imperceptibly into dark color; beneath tes- 

 taceous and very hairy; antenna; and legs black Allgewahri. 



Elytra more coarsely punctured. 



Dull testaceous, densely pubescent; punctures of elytra dense, finer behind; 

 thorax with two dorsal callosities; markings of elytra varying from a short 



humeral vitta to a complete piceous vitta and dilated sutural stripe 



humeralis. 



Bright red, antenna?, postpectns and head black; elytra coarsely punctured, 

 punctures denser and somewhat smaller behind, basal band and sutural 

 blotch black, the latter very broad in both sexes discoideus. 



C. ater Lee. Proc. Ac. Phil. 1861, p. 356. Length .40-.52 in. =10-13 mm 

 llab. Utah, Cal. 



C. punctatus Lee. S. M. C. No. 264, 1873, p. 197. Length .52-68 in.= i3- 

 17 mm. Hab. Or. Cal. 



C. testaceus Lee. J A. Phil. ser. 2, II, 1852, p. 102. Length .48 in.=i2mm 

 Hab. Cal. Col. 



C. intermedins Ulke Wheel. Rept. Geog;- Expl. V, p. 813, t. XII, f. 1. Length 

 .60 in. = 15 mm. Hab. Arizona, New Mexico. 



C. pulchellus Lee. Proc. Ac. Phil. 1861, p. 356. Ltngth .40-. 52 in. = 10-13 

 mm. Hab. Cal., Col., New Mexico, Utah. 



C. hirtipes Lee. Proc. Ac. Phil 1854, p. 18; Ent. Rept. 1857, p. 61. Length 

 ■ 4^-.48 in. =10-12 mm. Hab. Cal., Oregon, W. T., Utah. 



C. Allgewahri Lee. Bull. U. S. Geol. Survey, IV, 2, p. 461. North Amer. Ent. 

 I, p. 1, pi. I, fig. 1. Length .40-.53 in.=io 13.3 mm. Hab. Idaho. 



C. humeralis Lee. J. A. Phil. IV, 1, 1858, p. 25. Length .40-48 in. =10-12 

 mm. Hab. New Mexico, Texas. 



C. discoideus Say, J. A. P. Ill, p. 411; palchrior Bland. Proc. Ent. Soc. 

 Phil. I, p. 472. Length .36-. 48 in. =9-12 mm. Hab. Idaho, Col., Ariz., Mom. 

 Neb., New Mexico. 



All the species of Crossidius seem subject to variation in color and 

 marking, a careful discussiozi of which beyond what is included in our 

 synopsis will be found in S. M. C. No. 264, p. 197 and in Dr. Horn's 

 recent paper on the genus in Trans. Am. Ent. Soc. XII, p. 177. 



SPHAENOTHECUS, Dup. 



Contains one species. 



S. suturalis Lee. J. A. P. IV, 1, 185S, p. 25- Length .40-48 in. = 10-12 mm. 

 I Lib. Texas and New Mexico, Ariz., Cal. 



Easily distinguished by the white pubescence, which, very sparsely 

 scattered over, the elytra is arranged in a dense and very conspicuous 

 narrow line at the suture. The prothorax is deeply, but sparsely punct- 

 ured and rounded on the sides, and the scutellum moderate and also 

 clothed with white pubescence. Color reddish brown or black. Anten- 

 na; Q longer, $ nearly twice as long as body. 



