270 SUPPLEMEXT ON THE FAMILY BRACHELYTRA 



Many staphylini have both body and elytra well furnished 

 with hair ; but there are others which have them smooth, 

 and provided with very few hairs. Ray, and other writers, 

 have remarked that all the staphylini, when touched 

 a little roughly, suddenly send forth from the last ring of 

 the abdomen two small curved vesicles, generally yellow 

 or white. 



The larvae of the staphylini are long, and resemble in 

 some measure the perfect insect. They live in the earth and 

 dung, where they are transformed into nymphs, which, gene- 

 rally speaking, are similar to those of the rest of the coleop- 

 tera. They are rather rare and difficult to be found. 



We have established a new genus on one from the Brazil, 

 which we name Schizochilus, of which the labrum is rather 

 crescent-shape, strongly divided, and lobed, with two hooks 

 curved in ; the mandibles very long, slender, with a tooth in 

 the middle, beneath which there are two small filaments ; 

 the maxillary palpi long, with the last joint very acute ; the 

 labial palpi short, the last joint triangular ; the antennae 

 short, with the first joint long, the others enlarging toward 

 their extremities, the last joints rather serrated, the tarsi 

 very dilated ; the head very flat ; the thorax truncate, heart- 

 shape ; the elytra short, quadrate ; the body long, depressed. 

 This species we call Brasiliensis. Its specific characters are 

 bronze, varied with yellowish and black hair ; the mandibles 

 black ; the eyes white ; the body black, with the two last 

 segments golden yellow. It is twelve lines and a half long, 

 and is from Brazil. 



The OxYPOui are small insects, whose body is propor- 

 tionally less elongated than those of the other brachelytra, 

 and smooth. The elytra are very hard, and scarcely cover 

 one third of the abdomen. Like the staphylini in general, 

 the wings are curiously folded underneath them. 



The habitudes of the oxypori differ a little from those of 



