282 



INDEX. 



green, comparison of 



Chemistry of arsenical insecticides — Concluded 

 Lead arsenates. 



Comparison of samples, 

 Experimental results. 

 Acid lead arsenate, 

 Natural lead arsenate, 

 History of, . 

 Solubility, 

 Paris green, 



Atmospheric effects on use, 

 Experimental results, 

 Free arsenic, presence of. 

 History of, 



"Instantaneous" and "slow 

 Manufacture, methods of. 

 Properties of, 

 Solubility of. 

 Solubility tests. 

 Chemist, report of, . . . 



Chemical analyses made, number of, 

 Correspondence, 



Feed and dairy section, report of. 

 Dairy law. 



Dairy inspection, summary of. 

 Creameries and milk depots visited, tables of 

 Summary, eleven years, table of. 

 Feed law, 



New law, proposed, . 

 Violations of, . 

 Free examination of milk, cream 

 Miscellaneous work. 

 Testing pure-bred cows. 

 Water analysis, 

 Fertilizer section, report of. 



Activities of the year, review of. 

 Fertilizers analyzed, 

 Fertilizers collected, . 

 Fertilizers licensed, . 

 Grades of fertilizer. 



Average composition of high, medium 

 Comparative cost of nitrogen, jjotash and phosphoric acid, table of 

 Results of analyses, summary of. 

 Miscellaneous fertilizers, . 

 Quality of plant food, 

 Nitrogen, 

 Phosphoric acid, 



Potash 



Trade value of ingredients, 

 Unmixed fertilizer materials, . 

 Nitrogen compounds. 

 Phosphoric acid, 

 Potash, .... 

 Research section, work of, 

 Control work; dairy, feed and fertilizers 1 

 Corn, cob analy.ses of (see types of corn), 

 Composition of parts of , . 



and feeds. 



and low grades, table of, 



