" JpVt^ST 



y.43 



u 



CONTENTS. 



Introduction v 



List op Plates vii 



Errata et Corrigenda ..... viii 



CeCIDOMYIIDjE 1 



MYCETOPHIMD.3E * lj 217 



BlBIONIDJE* 2,221 



SimuliidjE * 5, 223 



BlepharoceridjE 5 



Culicidjk * 5, 224 



Chirono^idje* 6,-224 



PsYCHODIDjE 6 



TlPULIDyE* 6,225 



RhYPHLDjE* 20,229 



StratiomyidjE * 22,230 



TaBANIDjE * 



Chiromyzid^ . 



IjEPTIDjE* . . 



Xylophagid^e . 



ACANTHOMERID.fi * 



MydaidjE * 

 NemestrinidjE * 



BoMBYLUDjE * . 



Therevule* . 



CYRTIDiE* . . 

 A.SILIDjE* . . 

 DOLICHOPODID^E f 



Empid^e t . . . 

 Plates. 



Page 

 43, 

 60 



60, 264 

 62 



63, 267 



68, 267 



73, 269 



75, 269 



162, 297 



163, 297 



167, 298 



213, 333 



214, 366 



* The Supplement to these families by Prof. S. W. Williston. 



t The Supplement to this family by Prof. J. M. Aldrich. 



J The Supplement to this family by Prof. W. M. Wheeler and Mr. A. L. Meiandek. 



«2 



