FAMILY GEOMYZID^. 



Head rounded, usually with vibrissae at oral margin; 

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

 bristles; postvertical bristles convergent. Antennae 

 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. i, Sinophthahnns pictns, wing; 2, Sinoph- 



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



ta, head; 5, Anthomyza tennis, wing; 6, Anthomyza tennis, front; 7, 



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



JJava, 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 



(28) 297 



