170 CHlRONOMIDjE. 



apiceqiie nigricantibus, pedibus viridibtis, tibiis et tarsorura articulis apice 

 femoribusque totis nigricantibus. Long. 3^ ; alar. 6 lin. 



Male. Black, shining. Antennae with black plumes. Wings limpid- 

 white ; costal, radial, and cubital veins pale testaceous, the rest white, 

 llalteres whitish. Abdomen dark green ; sutures and three apical seg- 

 ments blackish. Legs dull pale green, long, slender ; femora and tips of 

 the tibia? and of the joints of the tarsi blackish. 



Not common. In the British Museum. (E.) 



76. tarsalis, Steph. MSS. Mas, niger, nitens, alis albo-lirapidis, 

 venis halteribusque albis, abdomine viridi apicem versus nigro, larsis 

 albis. Long. 3 ; alar. 5 lin. 



Male. Black, shining. Wings limpid-white ; veins and halteres 

 white. Abdomen pale green, black towards the tip. Legs black, long, 

 slender ; tarsi white. 



Rare. In the British Museum. (E.) 



77. patens, n. Fcem. piceus, thorace nitente, alis sublimpidis 

 pubescentibus, venis albidis apud costam testaccis, halteribus albis, 

 abdomine fusco, segmentorum margiuibus posticis ventreque albidis, 

 pedibus testaceis, feinoribus anticis apice subfuseescentibus. Long. 3 ; 

 alar. 6 lin. 



Fern. Piceous. Thorax shining. Wrings almost limpid, pubescent ; 

 costal, radial, and cubital veins testaceous, the rest whitish. Halteres 

 white. Abdomen brown ; hind borders of the segments and under- 

 side whitish. Legs testaceous, long, slender; fore femora slightly 

 brownish towards the tips. 



Bare. In the British Museum. (E.) 



78. lugubris? Zett. Dipt. Scand. ix. 3490. 8 (1850). Mas y 

 niger, thorace cinereo vittis tribus nigris, alis limpidis, venis albis 

 apud costam nigricantibus, venula transversa nigra, halteribus albidis, 

 segmentorum abdominalium marginibus posticis cinereis. Long. 4 ; 

 alar. 6 lin. 



Male. Slack. Antennae with black plumes. Thorax grey beneath 

 and on each side, and with two slender grey dorsal stripes. Wings 

 limpid ; costal, radial, and cubital veins blackish, the other veins white ; 

 discal transverse veinlet black. Halteres whitish. Abdomen pubescent, 

 with a grey band on the hind border of each segment. Legs slender ; 

 posterior tibia3 and tarsi pubescent. 



Rare. (E.) 



79. enotatus, n. Mas, niger, thorace cinereo vittis tribus nigris, 

 alis sublimpidis, venis apud costam halteribusque fuscis, segmentorum 

 abdomiualium marginibus posticis canis, pedibus pallide fuscis. Long. 

 3 ; alar. 4 lin. 



Male. Black. Antenna) with black plumes. Thorax grey, with three 

 black stripes. Wings nearly limpid ; costal, radial, and cubital ' 

 and discal transverse veinlet, brown, the other veins paler. 



