LIST OF DIPTEKA. 483 



sat lougiE ; avticulus lus 2o longior; 3us fusiformis, arista brevi 

 teniiiuatus, lo et 2o coujiiuctim vixbrevior. Abdomen fere nudum, 

 alis uon longius. Pedes validi, setosi. 



Forks of the cubital vein nearly straight, slightly diverging 

 from each other, their base a little nearer than the end of the discal 

 areolet to the tip of the wing. Four externo-medial veins separate, 

 nearly straight. Subanal vein near the anal at its tip. 



300. DAsyi'OGON viduus. 

 Dasypogon viduus, Cat. of Diptera, 2, 354. 



Group 2. 



Corpus mediocre, sublineare, fere nudum. Caput thoraofe 

 paullo angustius. Facies plana, nuda. Mystax setis paucis apud 

 epistoma. Antennae longs; articulus lus 2o longior; 3us sub- 

 linearis, arista brevissima, lo et 2o coujunctim paullo longior. 

 Pedes validi, setis brevissimis. 



Forks of the veins nearly straight, slightly diverging from each 

 other, their base a little nearer than the end of the discal areolet to 

 the tip of the wing. Four externo-medial veins separate, nearly 

 straight. Subanal vein united to the anal at its lip. 



301. Dasypogon Discos. 



Dasypogon Discus, White, Zool. Voy. Erebus and Terror. Cat. of 

 Diptera, 2, 356. 



Sandwich Islands. 

 Group 1. 

 MegapoUyon, Diptera Saunderxiana, Pt. 2, 85. See p. 452. 



302. Dasypogon Scython. 

 Dasypogon Scython, Cat. of Diptera, 2, 365. 



