1871.] 103 [Uhler. 



Length, about 6 millims. Humeral breadth, 1 \ millims. 

 No. 127. Harris Collection. $. "Cambridge, Mass., April 9, 

 1835." 



Eremocoris Fieb. 



E. ferus. 



Pamera fera Say. Heteropt. p. 16, 4. 



Rhjparochromus borealis Dallas. Brit. Mus. Cat. p. 565, 16. 



No. 73. Harris Collection. $ o. . 



The manuscript index to this collection gives the name Anisoscelis 

 prominulus Say, Mss. to No. 73. The true genus Anisoscelis being 

 known to both Dr. Harris and Mr. Say, the reference must have 

 been originally made to an insect quite different from the one now 

 bearing that number. 



Peritrechus Fieb. 



P. fraternus, n. sp. 



Elongate-oval, very slightly convex, black, dull. Head black, 

 finely, remotely punctured both above and beneath, face pubescent, 

 having some erect long hairs about the tip. Antennae piceous-black, 

 the scapus and incisures of joints pale. Rostrum and tip of tylus 

 pale piceous, the former ($) reaching beyond the mesosternum, the 

 tip darker. Pronotum broad, the transverse impression very ill-de- 

 fined, but more distinct at each end, lateral reflexed margin decurv- 

 ing anteriorly to meet the middle of the eyes; the surface dull, with 

 remote, prostrate pubescence, the collar pale piceous; posterior lobe 

 dull ochreous-yellow, with remote, coarse blackish punctures, humeri 

 with a dusky spot in front. Pectus dull black, the pleural pieces 

 remotely, obsoletely punctured. Legs pale rufo-piceous, the anterior 

 femora blackish, excepting the knees ; tibiae dusky above, paler 

 towards the tip; tarsi pale, but more or less dusky above and at tip: 

 immediate and posterior femora dark piceous on the middle, the 

 trochanters, coxae and adjoining surface pale rufo-piceous. Hemely- 

 tra pale, dull ochreous-yellow, punctured with black in numerous 

 oblique rows, a few dusky spots and clouds produced by aggregations 

 of the punctures, the costal margin and two or more small spots on 

 the disk smooth, yellow. Membrane whitish, with a spot near the 

 interior angle, and a few less distinct ones on the middle and sides 



