LIST OK PAPERS. 



Aldkich, J. M. 



The Dipterous genera Trachytrechus and Macellocrrus . i^ 1 



ASHMEAD, W. H. 



Descriptions of new Parasitic Hynienoptera . . .17!' 



Banks, Nathan. 



New North American Spiders and Mites . .57 



BoDiNE, Donaldson. 



The Taxonomic value of the Antennae of the Lepidoptera. 1 



DiETz, William G., ]M.D. 



Revision of the genera and species of Ceutorhyucliiiii 

 inhabiting North America ..... 387 



Fox, William J. 



Supplement of "the Crabroninre of Boreal America." . 78 



Gillette, C, P. 



A monograph of the genus Synergus Hartig . . 8.") 



Hancock, J. L. 



On Illinois Grouse Locusts . . . . . .235 



IIulst, George D. 



A Classification of the Geometrina of North America, 

 with descriptions of new genera and species . . 245 



Leng and Hamilton, 



The Lamiinre of North America by C. W. Long, with 

 notes and descriptions by John Hamilton, M.D. . 101 



