TWELFTH ANNUAL REPORT 



77 



a material increase, and the actual work involved is as great as 

 that performed during any year since the organization of the 

 Bureau. 



In all, 1,739 samples have been examined, distributed as shown 

 in the above table. The total number of samples has decreased 

 from 1,921 last year, or 8.9 per cent. This decrease is confined to 

 two classes of samples; namely, raw sugar and urine (medical 

 analyses). These analyses are very simple and quickly per- 

 formed, and do not reduce the work of the division in proportion, 

 to the number. Raw sugar samples have decreased on account 

 of the large proportion of low-grade sugar produced this year. 

 In the commercial grading of sugars the distinctions between 

 the low grades are much less finely drawn than in the case of 

 the high grades, and polarizations are usually unnecessary. 

 Most of the routine examinations of urines have been transferred 

 to another branch of the Bureau. Pending a satisfactory settle- 



