48 



Kansas Academy of Science. 



The following are tlie theoretical values fur carbon, hydrogen 

 and nitrogen: 



About one-third of the results obtained in becoming familiar 

 with the methods were outside the limit of accepted values, and no 

 record was made of these, with the exception of Dennstedt's method, 

 where all the results are recorded: 



The following are results obtained by the usual method: 



These results are taken from determinations made at an earlier 

 time, and no record was kept of the time of each combustion. 



Results obtained are as follows for each of the processes tested : 



