DIPTERA. 453 
Genus CHRYSOPS, Meigen. 
Cunrysors Sinensis, Fem. 
Niger; caput flavum, vertice cinereo, callo postice nigro antice ferru- 
gineo ; palpi fulvi; antenne fulve, capite longiores, apice nigra ; 
abdomen cinerco-nigrum, lateribus basi flavis; pedes fulvi; ale 
limpide, ad costam fusca, fascia ohbliqua fusca postice attenuata, 
Black. Head yellow; vertex gray; callus of the vertex black, of 
the front ferruginous. Palpi tawny. Antenne tawny, longer than the 
head, black towards the tips. Pectus gray. Abdomen grayish black; 
first and second segments pale yellow on each side. Legs tawny. 
Wings limpid, brown along the costa and with an oblique brown band, 
which is attenuated towards the hind border. Length of the body 4 lines ; 
of the wings 8 lines. 
China, 
Genus HAMATOPOTA, Meigen. 
Ha:MATopora RUFICORNIS, Fom. 
Ferruginea ; vertex maculis tribus nigris testaceo marginatis ; 
palpi nigricantes, basi fulvi; antenne fulve, apice obscuriores ; 
thorax testaceo trivittatus, lateribus scutello pectoreque albidis ; ab- 
domen e maculis albidis bivittatum, segmentorum marginibus pos- 
ticts vittisque duabus ventralibus albidis ; pedes testacei, femoribus 
apice piceis, tibiis fasciis tribus tarsisque apice nigricantibus, tibiis 
anticis nigris albo fasciatis, tarsis anticis nigris ; ale cinerea, ocel- 
lis plurimis albidis ; halteres albidi. 
Hematopa ruficornis? Macq. Dipt, Ewot. Suppl. i. 45, 3. 
Ferruginous. Vertex with three black testaceous-bordered spots; the 
middle one hindward and smaller than the others. Head whitish 
beneath. Palpi blackish, tawny at the base. Antenne tawny, darker 
towards the tips. Thorax with three testaceous stripes; sides, scutellum, 
and pectus whitish. Abdomen with two dorsal rows of whitish spots ; 
