LIST OK PAPERS. 



Aldrich (J. M.) AND Darlington (P, S.). 



The Dipterous Family Helomyzida) (Plates III, IV) . 67 



Banks (Nathan). 



Neuropteroid Insects — Notes and Descriptions. (Plates 



XVII-XIX) 255 



Bradley (J. Chester). 



The Evaniidse, Ensign-Flies, an Archaic Family of 



Hymenoptera. (Plates V-XV) . . . .101 



Braun (Annette F.). 



Revision of the North American species of the genus 



LithocoUetis Hiibner. (Plates XX-XXIV) . 269 



Cameron (P.). 



A contribution towards the knowledge of the Odyneridse 



of the Southwest of the United States . . . 195 



On some undescribed American Hymenoptera, chiefl}^ 



from the Sou tli west of the United States . . 229 



COCKERELL (T. D. A.). 



The Dipterous Family Nemestrinidse. (Plate XVI) . 247 

 Another Fossil Nemestrinid Fly 254 



Cresson (E. T. Jr.). 



Dipterological Notes, I. (Plates I-II) ... 1 



Hayward (Roland). 



Studies in Amara ....... 13 



