records kept of the time it lived after feeding and also of the post-mortem 

 examination. As soon as it had finished feeding, the foundation and re- 

 maining syrup were weighed and the amount of syrup- and arsenic com- 

 puted. These records are shown in Table I. 



Tabi,e I. — Showing Grams Syrup Taken, Grams Arsenic Taken, and the 



Number of Minutes Bees Remained Alive After Feeding, 



Also the Post-Mortem Analysis for Arsenic. 



Numbers 16-26 inclusive were fed between 8 40 and 9 :i2 a. m. This 

 gives some idea regarding the rapidity of the feeding process. 



The sign * is used in the table to indicate that the bee gave a positive 

 test for arsenic ; the o sign indicates the opposite reaction. 



It might have been possible to attribute the death of the bees fed with 

 arsenic, considered in Table I, to other causes. For instance, death 



