6 



Section II. 



Page. 

 Systematic and biologic entomology : 



Systematic series .* 82 



Biologic series . 83 



Series showing some of the most striking insect forms of Central and South 



America 84 



Insects affecting golden rod (solidago spp. ) 85 



Some conspicuous insects frequenting the golden rod 86 



Section III. 



Silk insects 88 



Section IV. 



Professional exhibit: 



Collecting apparatus 89 



Hearing apparatus 94 



Apparatus and methods of mounting and preserving 96 



Section V. 



Insecticides : 



General exhibit 99 



Paten t insecticides 107 



Section VI. 



Insecticide apparatus : 



Nozzles 110 



Machines 114 



Section VII. 

 Official publications of the U. S. Entomologist 117 



Section VIII. 

 Illustrations, maps, and charts 119 



