April, 1844.] 35 



gins of the segments posteriorly testaceous, two last segments entirely testa- 

 ceous : feet rufo-testace'ous. 



Staphtlims, Linn., Erich. 



S.violaceus. Black, somewhat glossy ; head and thorax subcyaneous ; ely- 

 tra violaceous ; abdomen above anteriorly griseous pubescent. Gravcnhorst. Grav. 

 CoL.Micropt. p. 162. Erichs. Gen. et Spec. St. p. 392. 83. 



Var. b. Head and thorax brassy; elytra cupreous; abdomen steel-blue. 

 Staphylinus cuprepennis, Melsh. MS. 



Beionuchus, Nordman. 



B. pallipes. Black; elytra and live anterior abdominal segments rufo-testa- 

 ceous. — 3£ I. long. Pennsylvania. 



Staphylinus pallipes, Melsh. Catal. 1301. 



Antennae reach to the middle of the thorax, joints 5 — 10 equal, terminal 

 joint obliquely truncate at tip; fuscous, with three basal joints dark piceous, 

 and terminal joint ferruginous: head subquadrate, posteriorly a little con- 

 tracted, broader than the thorax, black, polished ; a broad longitudinal impres- 

 sion between the eyes, and each side between it and the eyes two deeply im- 

 pressed punctures, placed transversely; four or five other punctures above and 

 behind the eyes: labrum rufo-piceous : palpi rufous; mandibles prominent, 

 dark piceous at base, and rufous and slightly piceous at apex : thorax black 

 and highly polished, narrower than the elytra; sides rectilinear, rounded at 

 base, and truncate at apex, with the anterior angles almost square; dorsal 

 punctures five, lateral punctures about six all deeply impressed : scutel piceous, 

 punctured: elytra hardly longer than the thorax, rufo-testaceous, with minute 

 prostrate hair; minutely and rugosely punctured: wings dusky : abdomen ru- 

 fous, two terminal segments black ; punctured, pubescent : feet and posfpectus 

 color of the elytra : femora beneath ciliate : tibiae and tarsi spinous : anlepec- 

 tus black. 



This species, if not the same, must be closely allied to B. formosus of Gra- 

 venhorst and Erichson. 



Pihlonthus, Leach. 



1. P. harrisii. Black, polished : elytra fuscous-brassy; thorax, sides sub- 

 sinuate; four dorsal punctures — 5 1. long. Pennsylvania. 



Staphylinus picipes, Harris MS. 



Size and form of St. splendens, Fab. Antennve, three basal joints only re- 

 maining which are piceous; second and third joints subequal : head ( $ ) sub- 

 orbicular, wider than the thorax, black, polished; four slightly impressed, and 

 transversely placed punctures between the eyes, and a few disper.-ed ones be- 

 hind these organs: thorax slightly narrower than the elytra, and hardly con- 

 tracted behind ; base together with the posterior angles rounded ; sides subsi- 

 nuate; apex truncate ; anteiior angles deflexed ; black, very shining ; four dor- 

 sal punctures, the fourth is minute and placed on the anterior edge; lateral 

 punctures about three or four: scutel, large, black, minutely and confertly 

 punctured: elytra transverse, obscure brassy, pubescent, confertly punctured: 

 abdomen black, with a steel-blue reflection, confertly punctured, pubescent : 

 pectus and feet black. 



5 



