' I 



SMITHSONIAN INSTITUTION. 



UNITED STATES NATIONAL MUSEUM. 



DIRECTIONS FOR COLLECTING AND 

 PRESERVING INSECTS. 



BY 



C. V. RILEY, M. A., PH. D., 



Honorary Curator of the Department of Insects, U. S, National Museum. 



Part F of Bulletin of the United States National Museum, No. 39 

 (with one plate). 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 

 1892. 



