In some instances it has seemed necessary, because of the rehition 

 that unites this form of instruction Avith the general system of public 

 education adopted by the respective governments, to discuss with some 

 particularity the higher institutions of learning, at least so far as 

 their work is associated with that of agricultural instruction of adult 

 farmers. 



The manuscript is recommended for publication as Bulletin 155 of 

 this Office. 



Respectfully, A. C. True, 



Director. 

 Hon. James Wilson, 



Secretary of Agriculture. 



