XLII. Family GEOMYZID^. 



Head rounded, usually with vibrissas at oral margin; 

 front broad, with one, two or three pairs of fronto-orbital 

 bristles; postvertieal bristles convergent. Antennas 

 short, the third joint rounded or a little elongated, with a 

 bare, pubescent, pectinate or plumose arista. Wings 

 comparatively long; auxiliary vein always coalescent 

 distally with the first vein; posterior basal and the anal 

 cells small but distinct. 



Fig. 117. Geomyzidae. 1, Sinophthalmus pictus, wing; 2, Sinoph- 

 thahnus pictus, head; 3, Spilochroa ornata, wing; 4, Spilochroa orna- 

 ta, head; 5, Anthomyza tenuis, wing; 6, Anthomyza tetiuis, front; 7, 

 Anthomyza tenuis, front leg; 8, Chiromyiaflava, wing; 9, Chiromyia 

 flay a, head. 



This small group of small flies, as here limited, in- 

 cludes the Geomyzidae and Opomyzidae of L,oew, and the 

 Anthomyzidae of Czerny. The limits of the family are 



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