690 STAPHYLINID~. 
side, the middle of the clypeus with a small projection, which is emarginate at the 
tip. Thorax polished, impunctate; with a channel along the middle (deep and 
broad in front, finer behind), and on either side another one which is quite obliterated 
posteriorly. Elytra pallid, longer than the thorax, smooth and shining. The male has. 
no peculiar abdominal characters. One example from each locality. 
6. Oxytelus carbonellus. 
Oxytelus carbonellus, Solsky, Bull. Mose. xlii. pt. 2, p. 266 (1869) *. 
Hab. Mexico (Boucard 1), Puebla, Guanajuato (Sallé). 
7. Oxytelus strigosulus. (Tab. XVIII. fig. 12.) 
Nigricans, pedibus rufis, opacus, dense minus subtiliter strigosulus ; prothorace late obsolete trisulcato, lateribus. 
minutissime, vix perspicue crenulatis. 
Long. 3-34 millim. 
Hab. Mexico, Cordova (Sallé); GuatTeMaLA, near the city, San Juan in Vera Paz, 
Cubilguitz, Senahu, Balheu (Champion). 
Antenne short, black, piceous at the base. Head with a feeble inequality of the 
surface. Thorax short, rounded at the base; emarginate in front, so that the anterior 
angles are rather prominent; with only very indistinct grooves, which are, indeed, 
scarcely present, but the spaces separating them are elevated, though abbreviated and 
indefinite. The elytra are longer than the thorax, blackish or picescent, very evidently 
strigose. Hind body closely and distinctly punctured. I have not been able to find 
any sexual distinction in our small series of examples. 
8. Oxytelus vilis. 
Niger, opacus ; pedibus testaceis, femoribus fusco-testaceis ; dense strigosus, haud punctatus, strigulis elytrorum 
minus subtilibus; prothorace obsolete trisulcato. 
Long. 2-3 millim. 
Hab. Mexico (Truqui); GuaTema.a, Quezaltenango 7800 feet, El Tumbador, Tamahu, 
San Joaquin, Cubilguitz (Champion). 
Antenne black, rather short ; third and fourth joints very small, subequal, 5-10 each 
broader than the preceding one, transverse, the penultimate joints very strongly 
transverse. Head very densely and finely strigose, quite dull. Thorax sculptured like 
the head, the three median channels obliterated. Elytra a good deal longer than the 
thorax, densely and more coarsely strigose, more or less dilute in colour so as to be 
sometimes piceous instead of black. Hind body closely and finely punctured. 
We have received a fair series of this obscure insect; it is probably an abundant 
species in our region. I can detect no conspicuous sexual differences, though, as some 
specimens have the head a good deal larger than others, I have no doubt that both 
sexes are before me. 
