306 Mr. Walker's Descriptions of 



12. Edlirus atrator. 



Female. Deep black, sliining, nearly smooth. Antennae 

 somewhat shorter than the body, witli a white band com- 

 posed of three joints. Metathorax large, convex, with two 

 slight diverging longitudinal furrows in front. Abdomen 

 subpetiolated, subfusiform except towards the base, much 

 longer than the thorax, clavate when seen sideways, white 

 at the tip above. Sheaths of the oviduct ferruginous, as 

 long as the abdomen. Wings blackish ; stigma and veins 

 black ; discal areolet pentagonal. Length of the body 3| 

 lines. 



TEYPHONID^. 



13. Mesoleptus stygius. 



Male. Black, shining, thinly and very finely punctured. 

 Head transverse, subquadrate. Antennae nearly as long as 

 the body, ferruginous beneath. Metathorax with a well 

 defined longitudinal furrow. Abdomen smooth, subsessile, 

 very elongate fusiform, much longer and narrower than the 

 thorax, hardly compressed ; third segment red at the base. 

 Tibiae and tarsi dark red, the latter and the hind tibiae with 

 black tips. Wings blackish ; stigma and veins black ; no 

 discal areolet. Length of the body 4 lines. 



OPHIONIDyE. 



14. Gampoplcx albimanus. 



Male. Black, thickly and minutely punctured. An- 

 tennae somewhat shorter than the body. Metathorax 

 with a slight longitudinal keel. Petiole long, slender. 

 Abdomen compressed, widening slightly from the base to 

 full two-thirds of the length, very slightly tapering from 

 thence to the tip, much longer than tlie thorax. Legs long, 

 slender ; tarsi very long, much longer than the tibiae ; four 

 anterior legs whitish, their femora black except at each 

 end ; middle tarsi blackish ; tips of first to fourth joints 

 whitish ; first whitish towards the base ; hind tarsi white, 

 black at the tips. Wings dark cinereous ; stigma and 

 veins black ; discal areolet quadrangular, very small. 

 Length of the body 6 lines. 



