1873.] J-Ul [Horn. 



finely and sparsely cinereo-pubescent. Body beneath black, moderately 

 shining, sparsely pubescent and rather densely punctulate. Legs rufous,, 

 tarsi piceous. Length .36-. 60 inch ; 9-15 mm. 



Collected on the Mexican Boundary Survey, probably Texas or New 

 Mexico. 



E. Stuarti, Lee. Trans. Am. Ent. Soc. 1868, p. 54. 



Head black, densely punctulate, behind the eyes densely clothed with 

 fulvous pubescence, occiput with black pubescence, median line moder- 

 ately impressed deeper at vertex. Thorax broader than the head, one- 

 fourth broader than long, sides arcuate and gradually narrowing to apex, 

 surface densely punctulate densely clothed with moderately coarse fulvous 

 hairs, with a large spot on each side more sparsely nigro-pubescent. 

 Elytra broader than the thorax, gradually dilated to apex, punctato- 

 scabrous, with the pubescence arranged as follows : Lateral and apical 

 margins broadly, sutural very narrowly fulvo-pubescent, a broad band in 

 front of middle fulvo-pubescent, the four spaces thus enclosed are less 

 densely pubescent with black. Body beneath black, shining, fulvo- 

 pubescent, with spaces pubescent with black at the middle and sides of 

 the abdominal segments. Legs black, sparsely fulvo-pubescent. Length 

 .30-. 56 inch; 7.5-14 mm. 



Occurs in eastern New Mexico. The aspect is that of Tetraonyx. 



E. Wheeleri, Ulke. Report of an Exploration in Nevada and Arizona. 

 (See note under C. tenebrosa.) 



Head black, shining, very sparsely punctured and very sparsely cinereo- 

 pubescent. Thorax black, not wider than the head, as wide as long, 

 sides moderately arcuate, anterior angles broadly rounded, median line 

 finely impressed, surface densely punctured and densely clothed with 

 semi-erect fulvous pubescence, with a very narrow cinereous basal line. 

 Elytra black finely punctato-scabrous, sparsely and very finely cinereo- 

 pubescent. Body beneath black, feebly shining, sparsely punctulate and 

 cinereo-pubescent. Legs black, more densely pubescent than the under 

 surface. Length .30-. 44 inch ; 7.5-11 mm. 



Collected by the Expedition under Lieut. "Wheeler in Arizona, 



E. cinerea, Forst. Nov. Spec. Ins. Cent. 1771, p. 62 ; Pallas, Icon. p. 

 98, pi. E, fig. 30 ; Lee. Proc. Acad. 1853, p. 339 ; clematidis, Woodh. Med. 

 Repos. Ill, p. 213 ; fimbriata, Tbunb. Diss. Nov. Ins. Sp. VI, p. 109 • 

 margiiiata, Fab. Syst. Ent. 1775, p. 260 ; Oliv. Ent. Ill, 46, p. 15, pi. 1, 

 fig. 2. 



Black, densely puuctulate, beneath densely clothed with cinereous 

 pubescence, vesture of upper surface variable. Head densely punctu- 

 late, median line feebly impressed, sparsely cinereo-pubescent. Thorax 

 longer than wide, sub-campanulate, densely punctulate, frequently en- 

 tirely cinereo-pubescent, usually with a large triangular discal space 

 black, divided by a cinereous line along the middle. Elytra very finely 

 punctato-seabrous, either cinereo-pubescent over the entire surface or 



