CONTENTS OF THIS NUMBER. 



PAGE 



CHITTENDEN, F. H. : Biologic notes on some species of Scolytidas... 391 



MARX, GEO. : On Spiders' Web 385 



RILEY, C. V.: Is Megastigmus phytophagic ?, 359; Annual address 



of the President : Parasitism in Insects 397 



TOWNSEND, C. H. TYLER: Notes on some Cecidomyiidae of the vicin 

 ity of Washington, D. C., 388; Notes on certain Cecidomyii- 

 dous galls on Cornus 390 



UHLER, P. R. : Summary of the Collection of Hemiptera secured by 



Mr. E. A. Schwarz in Utah , 366 



INDEX to VOLUME II 433 



