OF WASHINGTON. 



335 



Anthophila. 



Fossores. 



Tubulifera 

 Oxyura 



Stenospili 



r 



Entomophila <( 



I 



Diplopteryga .... - 



r 



Heterogyna 



I.' Apidae. 

 II. Andrenidae. 



III. 



IV. 



V. 



VI. 



VII. 



VIII. 



IX. 



X. 



XI. 



XII. 

 XIII. 

 ( XIV. 



f XV. 



XVI. 

 XVII. 

 XVIII. 

 XIX. 

 XX. 



XXI. 



XXII. 



XXIII. 



XXIV. 



Crabronidae. 



Pemphredonidae. 



Bembicidae. 



Larridae. 



Trypoxylonidae. 



Philanthidie. 



Nyssonidae. 



Sphecidae. 



Ampulicidae. 



Masaridae. 



Vespidae. 



Eumenidae. 



Pompilidae. 



Sapygidae. 



Rhopalosomidae. 



Scoliidae. 



Thynnidae. 



Mutillidae. 



Poneridae. 

 Dorylidae. 

 Formicidae. 

 Myrmicidae. 



XXV. Chrysididie. 



Megaspili. 



( XXVI. 

 \ XXVII. 



( XXVIII. 



XXIX. 



( XXX. 



XXXI. 



XXXII. 

 XXXIII. 

 XXXIV. 



XXXV. 

 XXXVI. 



Xylophaga 



Phyllophaga 



( XXXVII. 

 4 XXXVIII. 

 ( XXXIX. 



( XL. 



XLI. 



Pelecinidae. 

 Proctotrypidae. 



Cynipidae. 



Chalcididae. 



Mj^maridae. 



Evaniidag. 



Trigonalidae. 



Stephanidas. 



Braconidae. 



Ichneumonid32. 



Agriotypidae. 



Oryssidse. 

 Siricidae.* 

 Cephidae. 



Pamphiliidae. 

 Tenthredinidae. 



Tables defining the above families are already prepared and 

 will be published in a separate paper. This arrangement is 

 given now, in connection with the diagram, merely to show how 

 these families are arranged in my collection, so as to exhibit their 

 true relationship. 



Uroceridse of American authors. 



