CONTENTS 



HYSLOP, J. A., QUAINTANCE, A. L., and WALTON, W. R.: The life and 



works of H. 

 M. Russell 3 



KNAB, FREDERICK: Egg-disposal in Dermatobia hominis 171) 



KOTINSKY, JACOB: The European fir-trunk bark louse (Chermes (Drey- 

 fiisia) piceae Ratz.) apparently long established in 



the United States 14 



M ALLOCH, J. R. : A new species of Agromyza destructive to beans in the 



Philippines 93 



McATEE, W. L,.: Introductory statement to "Two new species of lace- 

 bugs" by Otto Heidemann 217 



MIDDLETON, WILLIAM: Notes on Dianthidium arizonicum Rohwer 193 



PIERCE, W. D WIGHT: Notes on the habits of weevils 6 



Notes on a southern trip 200 



QUAINTANCE, A. L., HYSLOP, J. A., and WALTON, W. R.: The life and 



works of H. 

 M. Russell 3 



' ROHWER, S. A. : A new bee of the genus Dianthidium 192 



A Nearctic species of Dolichitnis 212 



Diprimi simile in North America 213 



ROHWER, S. A., and GAHAN, A. B.: Horismology of the Hymenopter- 



ous wing 20 



/ SCHWARZ, E. A.: Ants protecting Acacia trees in Mexico 211 



Rliizobiiis not Rhyzobiiis 214 



SCHWARZ, E. A., HOWARD, L. (')., and BUSCK, AUGUST: A biographical 



and bibliograph- 

 ical sketch of 

 Otto Heidemann 203 

 .SHANNON, R. C.: Notes on some genera of Syrphidae with descriptions 



of new species 101 



SMITH, HARRISON E. : New Tachinidae from North America 94 



SNYDER, T. E. : Notes on Horseflies as a pest in Southern Florida 208 



TOWNSEND, C. H. T.: Non-intentional dispersal of Muscoid species by 



man, with particular reference to Tachinkl 



species 18 



Note on Myophasia aenea Wied 100 



TURNER, W. P., and BAKER, A. C.: Some intermediates in Aphididae. . 10 



WALTON, W. R.: The Tachinid genus Argyrophylax B. and B 189 



\V ALTON, W. R., QUAINTANCE, A. L., and HYSLOP, J. A.: The life and 



works of H. 

 H. Russell 3 



WEBB, J. L.. and HUTCHINSON, R. H.: Preliminary note on the bio- 

 nomics of Pollenia rudis, Fabr. 

 in America.. 197 



II 



