AUSTRO-MALAYAN DIPTERA 445 



ragus incisuralis or venosus (J. Pr. Lin. Soc. VIII, 113, New 

 Guinea) ; but I found that out after 1 had left London and could 

 not compare the type. 



GONOPIDAE. 



Conops sp. — Buitenzorg, Java ; (G. B. Ferrari 1875). — The 

 description of the coloration of the wings agrees so well with 

 that of C. testaceus Macq. D. E. II, 3, 9 (India), that I am very 

 much tempted thus to identify it, although C. testaceus is a little 

 larger, and much less dark on thorax and abdomen. 



MUSGIDAE GALYPTERAE. 



Dexia basifera Walk. J. Pr. Lin. Soc. IV, 130. Male (Ce- 

 lebes) t 



Three specimens; Kandari, Celebes, April 1874 (Beccari). The 

 description agrees. 



Wlegistogaster coslatiis Rond. Ann. Mus. Civ. Gen. VII, (Sa- 

 rawak, Borneo) ! 



One specim., Kandari, Celebes, April 1874 {Beccari). 



The type specimen has the posterior crossvein more strongly 

 bisinuate ; the abdomen somewhat reddish-browij ; nevertheless 

 I believe it is the same species. I am doubtful whether it can 

 be classed with the genus Megistogaster Macq., as its abdomen 

 is very little attenuated at the base and its arista decidedly 

 plumose , and not merely tomentose , as in Macquart's typical 

 species. The type of Bexia eylindrica Wk. J. Pr. Lin. Soc. V, 

 260 (Celebes) also looks very much like this species, but has 

 more white at the base of the abdominal segments, as well as 

 on the pleurae; the face is less prominent, etc. 



Stilbomyia prospera Walk. J. Pr. Lin. Soc. IV, 133 (1859) ! 

 (Celebes). 



