374 STAPHYLINIDE. 
6. Staphylinus sepulchralis. 
Staphylinus sepulchralis, Er. Gen. et Spec. Staph. p. 388°. 
Hab. Mexico 1, Toluca and Puebla (Sai/é). 
A small series of five specimens of this species show that it is extremely similar to the 
blacker varieties of S. caliginosus, but is really a very distinct species, the middle cox 
being absolutely contiguous; the basal joints of the antenne are not marked with 
yellow, and the hind body has no trace of black spots. The rufescence of the middle 
of the tarsi alluded to by Erichson is not present in these examples, and was perhaps © 
due to an immature condition of the example described by Erichson. 
7. Staphylinus biseriatus. 
Niger, opacus; abdomine segmento singulo ad latera parce griseo-pubescente; capite thoraceque densissime 
punctatis, nigro-pubescentibus ; pectore abdomineque subtus parce griseo-pubescentibus ; palpis piceis. 
Long. 27 millim. 
Hab. GuaTEMALA, near the City (Champion). 
Antenne short, scarcely longer than the head, black, very obscurely ferruginous at 
the apex. Head a little narrowed in front, about as broad as the thorax; eyes occupying 
scarcely two fifths of the length from the base of the mandibles to the hind margin ; 
the surface rather coarsely, very densely punctured and with a short pubescence. 
‘Thorax a little more finely punctured than the head, at the base in the middle with a 
short linear space, dull, not shining, free from pubescence. Elytra about as long as the 
thorax, dull black, without visible punctuation ; scutellum velvet-black. Hind body 
dull, with a faint black tomentum, without sculpture; on each side of each segment 
there is a patch of pale grey scanty tomentum, which is denser at the base than at 
the hind margin, and is very inconspicuous ¢ on the apical segments. Legs black, with 
the front tarsi piceous. 
A single female is all that has been obtained of this very distinct species; it is of 
the stature of the smallest and narrowest examples of 8. atrov. The middle legs are 
moderately distant. 
8. Staphylinus vittatus. (Tab. IX. fig. 16.) 
Fulvo-ferrugineus ; pectore, scutello abdominisque vitta mediali nigris, abdomine utrinque vitta lata pubescentie 
aureo-flave ; antennis fuscis, basi et articulo ultimo rufis ; pedibus rufis, coxis nigris. 
Long. 26 millim. 
Hab. Mexico, Juquila, Parada (Sallé), Uruapan (Flohr). 
Antenne conspicuously longer than the head, rather slender. Head and thorax very 
densely punctured, quite dull. Elytra not at all maculate. Under surface toa large 
extent black, the three or four apical segments, however, entirely red. 
This is a much more slender insect than 8. maculiventris. Of the three examples 
