380 C. H. TURNER 



inches of the netting of the ivindow-side was covered with an opaque 

 screen. This placed the top, the upper four inches of the window- 

 side and the lower portion of the side remote from the window in 

 the sunlight. Except for a narrow hand of sunlight on the floor, 

 the remainder of the cage was in shadow. 



At 10.05 A. M., eight bees were in the sunHght; three on the 

 window-side of the cage, four on the top and one on the floor. 

 No other bees were in sight. 



At 10.08 A. M., two bees were in the sunUght on the window- 

 side of the cage, three in the sunhght on the top, two in the 

 band of sunlight on the floor and one in the shadow near the 

 upper edge of the window-side of the cage. 



Experiment 6. — At 10.10 a. m., the opaque screen was removed 

 from the window side of the cage and the bees jarred from the top 

 of the cage. This placed the top of the cage, the window-side, the side 

 remote from the window and a portion of the floor in the sunlight. 



At 10.15 A. M., seven bees were in the sunlight on the window- 

 side of the cage, and one viipping honey, in the sunlight, on the 

 floor. No other bees were in sight. 



^fe" 



Experiment 7. — At 10.17 *^- ^^•' ^^^ <^^&^ '^'^-'^ rotated, as gently 

 as possible, through an angle of 180 degrees. 



At 10.18 A. M., nine bees Avere in the sunlight; four on the 

 netting of the window-side of the cage, four on the side remote 

 from the window and one on the floor. No other bees were 

 in sight. 



At 10.20 A. M., nine bees were in the sunlight; seven on the 

 window-side of the cage, one on the side remote from the window 

 and one on the floor. No other bees were in sight. 



At 10.24 A. M., eight bees were in the sunlight; seven on the 

 window-side of the cage and one on the floor. 



Experiment 8. — At 11.40 a. m., an opaque screen was placed 

 between the ivindow and the cage; this placed the window-side 

 of the cage and the side remote from the window in the shadow. 

 On the top, the right and left sides and the bottom were hands of 

 sunshine and shadow. 



Almost immediately the bees left the window-side of the 

 cage. Some flew towards the light places on the left side, 

 some flew against the sunny patch on the roof of the cage and 



