320 BKACHELYTKA — HOMALIIDAE. 



F. Mandibles short, one of tlieni witli one tooth, the 

 other with two slight teeth. 



Last joint of maxillary palpi t-wice as long as penulti- 

 mate ; antennae slightly thickened toward apex ; elytra 

 dilated behind, emarginate at apex, shorter than thorax ; 

 abdomen strongly dikted before a2)ex ; legs rather short, 

 tibiae indistinctly spined, fifth tarsal joint not much longer 

 than the rest. Micralymma, Westw. 



VI, Mandibles rather long, with outer-side slightly 

 emarginate before middle. 



Labium horny, with a broad emargination, bordered by a 

 membrane, excised in front. Inner maxillary lobe small, 

 outer one somewhat dilated ; maxillary palpi short and 

 broad, last joint somewhat longer and narrower than third. 

 Head almost entirely even, ocelli very small, three times as 

 far from each otlier as from the eye ; elytra covering only a 

 small part of abdomen ; tibiae without spines, posterior 

 tarsi almost longer than tibiae, first joint very elongate. 



Ph'ilorinuni, Kr. 



h. Last joint of maxillary palpi small and pointed. 



Labrum entirely horny; mandibles long, with a tooth 

 rather before middle ; maxillary lobes elongate, inner one 

 fringed with spines at apex ; maxillary palpi with third 

 joint thickened; first joint of labial palpi rather longer 

 than second. Forehead with two small depressions, ocelli 

 tolerably large, not quite twice as far from each other as 

 from eyes ; side margin of thorax extremely finely notched, 

 strongly rounded Ijefore middle ; tibiae without spines, first 

 two joints of posterior tarsi about equal in length to each 

 other ; a little longer than third and fourth. 



Goryphium, Kirby. 



J^. First four joints of posterior tarsi about equal in length. 



a. Last joint of maxillary palpi small and pointed. 



Lalirum entirely horny ; mandibles and maxillary lobes 

 as in Corijpliium, but rather less elongate ; third joint of 

 maxillary palpi more thickened than in that genus and 

 fourtjj joint rather smaller ; first joint of labial palpi doul)le 

 as long as second. Forehead with two impressions between 

 eyes ; sides of thorax produced into a sharp angle rather 

 bt'l'orc middle; tibiae without spin(!s. Evdcctus, lledt. 



