478 ANNUAL REPORTS OF DEPARTMENT OF AGRICULTURE. 



salmon known to the trade as "do-overs;" the chief of the dairy 

 laboratory was assisted in the analytical work connected with the 

 investigation of the condensed milk industry of the Northwest; 

 analyses were made of authentic samples of cider vinegar; and co- 

 operative work was done on existing methods for detecting colors 

 and analyzing headache mixtures and flavoring extracts. 



MISCELLANEOUS INVESTIGATIONS. 

 WORK OF THE MISCELLANEOUS DIVISION. 



In the Miscellaneous Division, under the direction of J. K. Hay- 

 wood, chief, are conducted the examinations of waters, insecticides 

 and fungicides, cattle foods and grain, trade wastes, hygienic and 

 miscellaneous samples, and the research work along these lines. 



The administrative work and correspondence of this division, 

 especially that relating to the enforcement of the national food and 

 drugs act in so far as it applies to waters, cattle foods and remedies, 

 and grains; the preparation of cases under the food and drugs act on 

 such materials, and travel in connection with expert work in court 

 cases have occupied a large part of the time of the chief of the di- 

 vision. Field work on the effect of smelter fumes on agricultural 

 products, forests, animals, and irrigation streams necessitating the 

 study of methods of eradicating smelter fumes has also formed an 

 important feature of the year's w^ork. 



The Miscellaneous Division analyzed approximately 1,629 samples, 

 requiring about 9,0G0 determinations, in addition to the samples 

 examined during the course of special investigations. Following is 

 a tabulated statement of the materials analyzed, showing the scope 

 and distribution of the work : 



Imported mineral and table waters 50 



Domestic mineral and table waters 225 



Interstate shipments of ice 16 



Miscellaneous waters . 58 



Imported cattle and poultry food and grains__ 13 



Domestic cattle and poultry food and grains 497 



Miscellaneous feeds and grains 233 



Insecticides and fungicides 214 



Trade wastes samples 240 



Miscellaneous and hygienic samples 83 



Total 1, 629 



Quite a number of these examinations were made for other de- 

 partments of the National Government and other bureaus of the 

 Department of Agriculture, as follows: 



War Department 3 



Department of Commerce and Labor 30 



Interior Department 31 



Isthmian Canal Commission 9 



National Zoological Park 2 



United States Senate 1 



Department of Agriculture : 



Bureau of Plant Industry 229 



Bureau of Entomology 193 



Bureau of Forestry 8 



Irrigation and Drainage Investigations 3 



Unclassified samples examined for various other de- 

 partments and bureaus 43 



Total 552 



