SCIENTIFIC SERVICE. 



>L.OGICAJL -. ACTION'.'' 



TREATMENT OF COTTOiV SEED 

 PIMv BOU. WORM 



(Gelechia yossypiella Saund.), 



G. STOREY, B.A., F.K.S., 



KNTOMOLOI*IST TO THE MnnsTBv nh AI;HICPLTITRK. 



<*ihmined for printing on July 33, 1817 



CAIRO. 



1921. 



