NORTH OF Ml SICO. 269 



the name of E. rugosus, from the hand of Motschulsky. While rejecting the typical 



species to the doubtful list, the genus musl be retained, an illustration of the prediction of 



a genus l>y an author who al the same time commits a specific blunder in doing it. 



( )ur species thus far known, are as follows: 



Winged species — metasternum long. t e x anu s. 



longulus. 

 Apterous species — metasternum short. 



Larger species ; fuscous or ferruginous. p u nctatus. 



s a b o p a ens. 



]) i n g u i s . 

 Small species; black, with paler legs. 



Margin of thorax sub-parallel behind middle; angles 



rectangular. ater. 



Margin of thorax sinuate near hind angle, angle acute. acutus. 

 rounded and gradually narrowing to 

 apex. obesus. 



Margin of thorax rounded, wider at middle, angles 



obtuse. obtusus. 



E. tezanus, Lee, N. Spec. 872, p. 108. Texas. Length .30 incb. 



E. longulus, Lee, Aim. Lye. 5, 138. Eurymetopon Southern Cat. and Arizona. 



This species differs from the preceding in having the base of the thorax much less ,\\^. 

 tinctly sinuate, angles more obtuse. The surface of thorax at middle N very sparsely 

 and at the side- continently punctured, while in texanus the surface is densely and very 

 evenly punctured. 



E. punctatus, Lee., N. Spec. 368, p. 106. Lower California. 



Recalls the form of Eurymetopon rufipes. Length .30— .37. 



E. Bubopacus. Elongate oval, subopaque, moderately convex, head densely and coarsely punctured; thorax 

 coarsely and moderately densely punctured, punctures more dense at tin' Bides; wider than long, narrowed in front, 

 anteriorly emarginate, posteriorly trunc feebly rounding bom tin- base, angles obtuse. Elytra distinctly 



punctured in stria, interstices Bat, subopaque and smooth. Beneath paler, prothorax and pectus denselyand coarsely 

 punctured, abdomen nol coarsely and moderately punctured. Length .35 inch. 



Found at Fort Grant, Arizona, under stones. Third much more convex than punctatus 



and more elongate and le>s obese than pinguis. 



E. pinguis. Lee, N. Spec, p. 107. Lower Cal. 



A very robust Coniontis-like form. 

 Length .30 inch. 



E. ater, Lee., Ann. Lye. 5, 180. Burymetopdn. California. 



Black, with brownish or ferruginous Legs, regularly oval and convex. Thorax with 



the sides parallel behind the middle and with the angles rectangular. Length .20 inch. 



AMKIU. PHILOSO. 800. -VOI.. XIV.— 68 



