160 [December, 1S44. 



2. E. impolitus. Dark fuscous ; feet and three basal joints of the antenna, 

 rufous. — 5 1. long, 1$ 1. wide. Pennsylvania. 



Flattish, dark brown, pubescent : head minutely and densely punctured, with 

 clypeus short and rounded at apex : antennae hardly as long as the thorax, fus- 

 cous, three first joints dull rufous ; second and third joints shorter and more 

 slender than the fourth, obconic, second shorter than the third ; subserrate from 

 the fourth joint : thorax wider than long, much wider at base than at apex, much 

 and finely punctured ; dorsal line distinct behind the middle; sides rounded; 

 posterior angles acute, slightly and acutely carinate, straight : elytra gradually 

 narrowed behind the middle, with the apex acutely rounded ; punctate-striate, 

 with interstices convex, minutely and distantly punctured : beneath blackish : 

 feet dull rufous ; tarsi simple, the joints gradually decreasing in length : posterior 

 femoral plates dilated within and slightly toothed in the middle. This species 

 is altogether destitute of prominent characters. It resembles much in its form 

 some species of Ctenonychus. 



3. E. hepaticus. Brunneous, yellowish hirsute. — 5-| 1. long, 1| 1. wide. 

 Pennsylvania. 



Brown ; head finely and densely punctured, with the clypeus short, margined 

 and obtusely rounded at tip; antenme dull reddish-brown, slightly serrate, with 

 the second and third joints somewhat elongate, the former shorter than the latter, 

 which is one-third shorter than the fourth : thorax wider than long, wider in the 

 middle than the base of the elytra, slightly convex, minutely and densely punc- 

 tured ; sides slightly rounded ; posterior angles short, straight, subacute, ob- 

 liquely and acutely carinate : scutel sparsely and coarsely punctured : elytra 

 shortly hirsute like the thorax, punctate-striate, the interstices flat, distantly 

 punctulate, finely corrugated; sides gradually narrowed from the base to near 

 the apex, which is acutely rounded : beneath and feet dull reddish-brown ; tarsi 

 simple, with the joints gradually decreasing in length; posterior femoral plates 

 abruptly dilated within, and toothed in the middle. 



E. rubricus. Black; lateral and posterior margins of the thorax broadly red. 



Var. 9. "Thorax bright rufous with a large black spot ; elytra paler," Say 

 Ann. Lye. N. Y. i. 261. 



Stated Meeting, December 3, 1844. 

 Vice President Morton in the Chair. 



DONATIONS TO MUSEUM. 



Three hundred specimens of Alpine Plants from the moun- 

 tains in the vicinity of the Valley of Chamouni. Presented 

 by Mr. Jacob Snider, Jr., of Philadelphia. 



Fine specimen of the fruit of Madura aurantiaca, from Texas 

 Presented by Professor George B. Wood. 



