386 



DWIGHT E. MINNICH 



24 mc. 



957 



^ %, 



V 



Fig. 14 A pair of determinations of bee no. 73, left eye black, non-directive 

 light. The records are numbered in the order in which they were taken. 



^it mc. Light 



+Degree8 



turned 



360 



45 



2115 



2070 



Number 



of 

 record 



1 



3 



5 



7 

 Average deflection, +6.07 



-Degrees 

 turned 



Number 



of 

 record 



2 

 4 



90 









 225 

 7cm. Average deflection, +13.82° /cm. 



d = +7.75° /cm. 



