LIST OF DIPTERA. 651 



straight ; third curved, forming a slightly obtuse angle with the 

 prabrachial, joining the fourth rather far from the border. Subaual 

 joiuing the anal rather far from the border. 



Proctacanthus Antidomus, Walk. 



Group 2. 



Mas. Corpus magnum, parum pubescens. Caput subtus den- 

 sissime pilosum. Facies parum convexa. Mystax densissime 

 setosus et pilosus, antennas attingens. Proboscis crassa, lanceolata, 

 subarcuata. Thoracis latera et scutellum raro setosa. Abdomen 

 oblanceolatum, alas non superans. Sexualia parva. Pedes robusti, 

 spinosi, pubescentes. 



Radial vein as usual. Cubital vein forked at beyond half its 

 length ; fore fork nearly straight, curved at its base ; hind fork 

 curved, approaching the fore fork towards each end. First and 

 second externo-medial veins straight ; third very slightly curved, 

 forming a slightly obtuse angle with the prabrachial, joining the 

 fourth far from the border. Subanal joining the anal far from the 

 border. 



Proctacanthus rufiventris, Macq. ; P. Coprates, Walk. 



Group 3. 



Fcem. Corpus magnum, gracile, tomentosum. Caput subtus 

 dense pilosum. Facies plana. Mystax vix dense setosus. Pro- 

 boscis crassa, lanceolata, recta. Antennarum articulus lus 2o lon- 

 gior , 3us longiconicus compressus, lo multobrevior; arista articulo 

 3o plus duplo longior. Thorax setis nonnullis lateralibus et posticis. 

 Abdomen oblanceolatum, thorace plus duplo longius, alas longe 

 superans, basiin versus pilosum ; dimidium fere apicale cylindricum, 

 laeve, nitens. Pedes sat graciles, parce spinosi, vix hirti. 



Cubital vein forked at a little before half its length; fore fork 

 nearly straight; hind fork curved. First externo-medial vein 

 slightly curved near its base ; second straight ; third curved, forming 

 an obtuse angle with the prsebrachial, joining the fourth far from 

 the border. Subanal joining the anal near the border. 



Proctacanthus macrotelus, Walk. ; P. basifascia, Walk. 



Group 4. 



Fcem. Corpus magnum. Caput subtus densissime pilosum. 



Facies convexa. Mystax densissime hirtus. Proboscis valida, 



arcuata. Thorax tomentosus, parce hirtus, setis paucis lateralibus 



et posticis. Pectus et abdomen basi pilosa. Abdomen oblanceola- 



PART III. 3 L 



