254 BRACHELYTRA — STAPHYLINIDAE. 



to one another ; hinder tarsi short, first joint longest, rest 

 gradually shorter. Staphylinus, Lin. 



II. Antennae and abdomen elongate, latter parallel- 

 sided. 



Thorax as long or longer than broad, parallel-sided, or 

 slightly narrowed behind ; middle coxae approximated ; 

 hinder tarsi slender, first joint elongate. Last joint of 

 labial palpi truncate atajoex or more or less hatcliet-.sliaped. 



Ocypus, Kirby. 



&. Ligula entire. 



Head with four impressions between eyes. Thorax nar- 

 rower than elytra, anterior angles bent downward ; middle 

 coxae generally divided by a narrow space ; femora un- 

 armed ; first and last joints of hinder tarsi longer than the 

 rest. Last joint of palpi either slightly thickened in middle 

 and tliencejjointed, or gradually pointed from base. 



Philonthus, Leach, 



CreophlJus. 



Shiny. Black ; elytra and abdomen covered with black 

 hairs, former with a broad band of, and latter variegated at 

 sides and base of middle segments with ashy-gray pubes- 

 cence ; middle ventral segments of abdomen covered with 

 ashy-gray pubescence. L. 7 — 9 1. Common. 



C. maxillosus, Lin. 



The variety ciliaris, Steph., has the black hairs replaced 

 by yellow. 



Emus, 



Black, thickly covered with pubescence, which on the 

 head, thorax, and apical half of al)domen is gold en -yellow, 

 on basal liali'of abdoiium, and elytra, sides and l)asal margin 

 of thorax blackish, and on apical half of elytra ashy-gray. 

 L. 9 — 11 1. Very rare. E. hirtus, Lin. 



LeistotropJiu s, 



A. Va]])i and legs (except part of femora) red-yellow; 

 antennae with first five joints red-yellow, rest black- 

 brown. 



