V?7() REVISION OF THE TENEBIUO.MD/E OK AMERICA, 



K. acutus. Black, subopaque, elongate oval, convex. Head and thorax densely and ooarsely punotured. 

 Thorax broader than long, narrower at apex, base truncate, Bides broadl] rounded anteriorly, sinuate near hind angles, 

 which are acute. Elytra oval, punctured in irregular BtriaB, truncate at base, humeral angles acute and prominent. 

 Bi ii' (ih coarsely and nol denselj punctured. Length ,19 inch. 



Nebraska, collec. Leconte. Can with difficulty be distinguished from ater excepl by 

 the margin and angles of thorax. 



I. obesus, Lee, Ann. Lye. 5, p. 188 Eurymetopon : convexus, Lee., X. Spec. :!, p. 107. 



I unite the above two species, being unable to discover any difference save a little 

 more rounding of the sides of thorax. 



From California, New Mexico and Nebraska. Length .20-.26 inch. 



r. obtusus, Lee, N. Spec, p, 107. 



This is much flatter than any of the smaller species, more elongate and with the sides 

 of the thorax more strongly rounded and narrower at base than middle. 

 Middle California. Length .30 inch. 



E. rugosus, Motsch., Bull. Mosc. 1845, I, p. 75. 

 Is unknown and the description unrecognisable. 

 From Sitkha. 



TRIBE VI — BATULIINI. 



Mentuin large, concealing ligula but exposing the bases of the maxillae, and with a 

 broad gular peduncle. .Middle coxa? entirely enclosed by sterna, trochantin invisible. In- 

 tercoxal process of abdomen triangular. Legs short, tibial spurs distinct. Tarsi short, 

 spinose beneath. 



1 have removed A.nepsius from the tribe, as it has the middle coxa? open externally 

 and the trochantin visible. It will be found in the next sub-family. The single genus 

 Batulius constitutes this tribe, containing but two species. 



BATTJLIUS, Lee. 

 Batulius, Lee, Ann. Lye V. 1 is. 



li. setosus, Lee, Ann. Lye 5, Its. 



Length . 1 1 inch. 



Occurs in the Deserts of the Gila. 



'*• rotund icollis, Lee, Ann. Lye 5, 148. 



Chese are both small testaceous insects. The former is the larger, more robust and 

 sparselj covered with yellowish hairs. The sides of the thorax are broadly rounded and 

 the disc more convex. In rotundicdllis the thorax is shorter, somewhat narrower behind, 

 and less strongly rounded on the sides. 



Length .10 inch. 



< >ceurs with the preceding. 



