REVISION DES OCHYROCERATIDAE 149 



orné de taches brunes symétriques dessinant vaguement 

 des bandes transverses interrompues sur la ligne mé- 

 diane ; ventre testacé brunâtre parsemé de taches. — Région 

 ÉPiGASTRiQUE (fig. 129) noirâtre bien définie et assez nettement 

 chitinisée. 



Habitat. — Java : Buitenzorg. 



SPECIES INVISiE ET INCERT^ SEDIS. 



1 Usophila gracilis Marx (1891, p. 8. PI. I, fig. 6). 



M'est inconnu, le D^" G. Marx en donne la description sui- 

 vante d'après le manuscrit de Keyserling : 



Céphalothorax a little longer than broad, anteriorly mode- 

 rately narrower than in the middle région ; p. cephal. pro- 

 minent, strongly arched ; clypeus high ; médian fissure indis- 

 tinct. 



Eyes 6 in two rows, anterior row consisting of four eyes, 

 shorter and slightly recurved, the two M. E. contiguous ; 

 the two eyes of the posterior row closely behind the latéral 

 of the first row. 



Mandibles small and weak, vertical, not much arched in 

 front, obliquely truncate at the inner side of apex ; claw 

 weak. 



Maxillœ not quite twice as long as broad, inclined over 

 labium, at the outer side a little emarginate, at apex obliquely 

 truncate. 



Labium triangular, a little longer than broad, rounded at 

 the tip, and about two-thirds as long as the maxillse. 



Sternum fiât, triangular, longer than broad. 



Legs 1. 2. 4. 3. very long and slender, without spines, but 

 sparsely provided with fine hairs ; three tarsal claws. 



Abdomen globose, four stigmata at the ventral side ; spin- 

 nerets short und equal. 



