LIST OF DIPTERA. 747 



longior ; 3us suhlanceoktus, lo aequalis ; arista 3o longior. Thoracis 

 latera parce setosa. Abdomen oblanceolatum, apice compressum, 

 alas paullo superans. Pedes sat graciles, parce spinosi, vix hirti. 



Allied to Erax. Radial as usual. Cubital vein forked at 

 hardly beyond half its length ; forks hardly undulating ; fore fork 

 forming at its base an obtuse angle, which emits a little branch ; the 

 latter is about one-third of the length of the basal side of the angle. 

 First and second externo-medial veins nearly straight; third slightly 

 curved, forming a slightly obtuse angle with the praebrachial, join- 

 ing the fourth far from the border. Subaual joining the aual very 

 near the border. 



Asilus Vibulanus, Walk. 



Group 9. 



Mas. Corpus maximum, subpubescens. Caput subtus den- 

 sissime pilosum. Facies convexa. Mystax dense setosus, antennas 

 non attingens. Proboscis lanceolata. Antennarum articulus lus 

 2o plus duplo longior; 3us lanceolatus, lo brevior; arista 3o multo 

 longior. Thoracis latera et scutellum parce setosa. Abdomen ob- 

 lanceolatum, thorace plus duplo longius, alas superans. Sexualia 

 parva. Pedes validi, spinosi, pubescentes. 



Radial vein nearly straight, joining the subcostal at some 

 distance from the tip of the latter. Cubital forked at very much 

 beyond half its length ; fore fork hardly curved ; hind fork slightly 

 curved forward. First externo-medial slightly curved near its base; 

 second straight ; third straight, forming a slightly obtuse angle with 

 the praebrachial, joining the fourth far from the border. Subanal 

 joining the anal near the border. 



Asilus Antiorus, Walk. 



Group 10. 



Mas. Corpus magnum, longiusculum, subpubescens. Caput 

 subtus densissime pilosum. Faeies valde convexa. Mystax den- 

 sissime setosus, antennas non attingens. Proboscis lanceolata, sat 

 gracilis. Antennarum articulus lus 2o plus duplo longior; 3us 

 lanceolatus, lo paullo brevior ; arista 3o multo longior. Thoracis 

 latera, scutellum et abdomen basi setosa. Abdomen oblanceolatum, 

 thorace plus duplo longius, alas superans. Sexualia parva. Pedes 

 sat graciles, spinosi, pubescentes. 



Radial vein almost straight, joining the subcostal rather far 

 from the tip of the latter. Cubital forked at much beyond half its 

 length ; fore fork nearly straight ; hind fork slightly curved forward. 

 PART III. 3 T 



