Bulletin 183 June, 1917 



NEW HAMPSHIRE AGRICULTURAL 

 EXPERIMENT STATION 



ARSENICAL RESIDUES 

 AFTER SPRAYINCx 



I. RESIDUES OF LEAD ARSENATE ON FRUIT AND 

 VEGETABLES. 



11. TOXIC PROPERTIES OF LEAD ARSENATE, AND 

 SOLUBILITY IN HUMAN GASTRIC JUICE. 



ni. EXPERIMENTS WITH CALVES, SHEEP AND 

 POULTRY. 



By W. C. O'KANE 

 C. H. HADLEY, Jr., and W. A. OSGOOD 



NEW HAMPSHIRE COLLEGE 



OF 



AGRICULTURE AND THE MECHANIC ARTS 



DURHAM, N. H. 



