A MONOGRAPH 



OF THE 



BRITISH 



PHYTOPHAGOUS HYMENOPTERA, 



(TENTHREDO, SIREX AND CYNIPS, Linne.) 

 VOL. III. 



BY 



PETER CAMERON. 



LONDON; 

 PRINTED TOR THE RAY SOCIETY. 



JklDCCCXC, 



LIBRARY 



UNIVERSITY OF CALIFORNIA 

 DAVIS 



