VOLUCELLA. 



1. / '. evccia. iii in.; l)lack, with yellow hair. 





HBLOPniLV&. 



s in. ; chest gray yellow, hairy, with three black stripe.s ; hotly l)lack 



I . //. latifrons. 



and orange. 

 2. If. similis. V^ in. ; like the la.st, but smaller. 



SYRITTA. 



I. .S'. pi'piens. y% in.; shiny black, with white spots, 



CRIORHINA. 



I. C. verbosa. ^ in. ; yellowish gray ;unl black hair\ ; end of chest whitish. 



MESOGRAPTA. 

 I. .)/. marginata. i^ in. ; orange and black, like a small .S. ilivcrsipcs. 



(44) 



