—32— 



Prothorax scarcely longer than wide villosum. 



Prothorax distinctly longer than wide parallelum . 



Pubescence mottled, flying hairs very long and numerous on legs and antenna.*: 

 legs very sparsely punctured; 



Elytral spines very short pumilum. 



Pubescence sparse, coarse, uniform; body very long ami slender, coarsely punct- 

 ured; legs coarsely punctured; 



Flying hairs sparse; antenna] and elytral spines moderately long 



subpubescens. 



Flying hairs long; spines long aculeatum. 



Body shining testaceous, sparsely punctured and nearly glabrous; 



Plying hairs sparse; elytral spines long unicolor. 



'/. Prothorax rounded on the sides, coarsely punctured ((j 'O) without callosities; 

 body more robust, uniformly coarsely and sparsely pubescent, elytra rounded 



at tip; legs coarsely punctured ... moestum. 



/>. Antenna) spines completely wanting; thighs not spinose; pubescence uniform, 

 sparse; form slender, prothorax feebly rounded on the sides; 

 Pubescence intermixed with long Hying hairs; elytra rounded at tip, legs very finely 



pubescent, scarcely punctured; metasternum without odoriferous pores 



punctatum. 



Thinly clothed with long flying hairs; elytra rounded and slightly truncate at tip; 



thighs finely punctulate with sparse seti^erous punctures; metasternum with 



distinct odoriferous pores imbelle. 



Pubescence without long flying hairs; elytra truncate at tip, legs very coarsely 

 punctured; punctuation of prothorax rfQ dissimilar cinerascens. 



E. irroratum Linn. Syst. Nat. ed XII. p. 633; Drury, 111. I, p. 92, t. 41, f. 3; 

 Hope, Trans. Zool. Soc. I, p. 107; Jacq. Duv. Hist. Club, 1857, p. 266, t. 10, f. 7. 



Length 19 mm. = .75 inch. Hab. Cuba, New York, Ills. 

 The thighs are distinctly spinose in all that we have, but two speci- 

 mens from Illinois which are otherwise similiar have the antennal spines 

 moderate. 



E. mucronatum Say, J. A. P. Ill, 1823, p. 427; Newn. Ent. p. 27; muricatum 

 Said. Trans. Am. Phil. Soc. X, p. 33; nebutlosum Guer. Ic. regn. anim. Ill, p. 255; 

 Dej. Cat. 3d ed. p. 352. 



Length 15—19 mm. = .60 -.75 inch. Hab. Mass. to Florida and westward to 

 Missouri. 



A common and distinct form. 



E. tectum Lee. Proc. Am. Phil. Soc. XVII, 413. 

 Length 15.6 mm. = .62 inch. Hab. Florida. 



We have not seen this species. 



E. alienum Lee. Tr. Am. Ent. Soc. V, 173. 

 length 14.5 mm. = .58 inch. Hab. Arizona. 



Dr. Leconte's description does not describe the thighs, and having 

 no specimen before us we are unable to place it in any previous division. 

 It appears to be a quite distinct form from characters given in table. 



