COiVTENTS. 



Diptera at Home on Spiders' Webs. By Frederick Knab 1^3 



New Gall Midges or Itonidae. By E. P. Felt ... 146 



The Haliplid£e of North America, North of Mexico. By Robert Matheson . 156 



Miscellaneous Notes. ... ... 193 



Book Notice • • 195 



Proceedings of the New York Entomological Society. igy 



sJOURN A I^ 



OF THE 



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