THE FLIGHT ACTIVITIES OF THE HONEYBEE 
15 
Table 2. — Lenyth of bees' flights in minutes per trip to and from the hive 
Date 
Apr. 15 
20 
May 8 
9 
15 
15 
17 
20 
22 
June 1 - 
6 
6 
6 
12 
12 
25 
July 9 
10 
12 
13 
18 
18 
24 
25 
25 
25 
25 
25 
29 
Period 
of day's 
flights 
2. 00- 5. 00 
12. 30- 2. 00 
11. 30- 4. 30 
11.00- 6.00 
9. 45- 3. 00 
4. 15- 5. 15 
12. 30- 2. 30 
12. 00- 2. 00 
10. 30-12. 45 
8. 15- 2. 15 
9. 00-11. 00 
11. 15-12. 00 
12. 15- 4. 00 
8. 00- 9. 30 
9. 45- 4. 45 
10. 30-12. 45 
10. 30- 3. 30 
10. 45- 3. 30 
9. 15- 3. 00 
9. 30- 2. 30 
9. 15-12. 30 
3. 15- 4. 45 
9. 00- 3. 00 
9. 00-10. 15 
10. 45- 2. 15 
11.30-12.00 
12. 15- 1. 00 
1. 15- 2. 15 
9. 45- 3. 45 
Length 
of 
period 
Min- 
utes 
180 
90 
300 
420 
315 
60 
120 
120 
135 
360 
120 
45 
225 
90 
420 
135 
300 
285 
345 
300 
195 
90 
360 
75 
210 
30 
45 
60 
360 
Flights during 
period 
Exits 
2,597 
1,100 
16, 761 
29, 176 
32, 492 
5,920 
6,408 
10, 908 
1 9, 588 
29, 687 
11, 658 
4,299 
20, 094 
4,553 
28, 303 
1 9, 128 
11, 103 
9,166 
13, 158 
11,087 
7,931 
638 
10, 397 
1,501 
4,581 
851 
898 
1,274 
5.822 
Re- 
turns 
2,572 
1,130 
16, 801 
29, 200 
32, 265 
6,023 
6,678 
10, 006 
8,973 
29, 322 
11,027 
3,117 
19, 934 
3,257 
28, 422 
9,167 
11,314 
9,064 
13, 442 
10, 873 
8,190 
637 
10, 481 
1,512 
4,405 
847 
731 
1,280 
6,357 
Num- 
ber 
of 
times 
flight 
was 
ascer- 
tained 
Aver- 
age 
num- 
ber 
in 
field 
flights 
148 
112 
1,974 
2,980 
1,567 
1,148 
776 
2,654 
2,713 
1,732 
3,283 
4,321 
5,674 
1,817 
3,683 
4,170 
3,571 
3,305 
1,941 
2,389 
1,654 
138 
719 
534 
980 
1,072 
866 
1,070 
505 
Prob- 
able 
error 
of 
aver- 
age 
in 
round 
num- 
bers 
(±) 
9 
54 
28 
17 
27 
30 
41 
66 
74 
167 
41 
116 
46 
21 
37 
31 
79 
32 
48 
12 
Prob- 
able 
error 
of 
aver- 
age 
ex- 
pressed 
in per 
cent 
of 
aver- 
age (db) 
6.21 
7.26 
.46 
1.83 
1.78 
1.49 
3.50 
1.12 
1.52 
3.83 
2.25 
3.88 
0.73 
6.38 
1.25 
0.51 
1.04 
0.94 
4.06 
1.33 
2.91 
2.70 
2.77 
1.73 
2.01 
0.70 
3.69 
0.86 
2.42 
Average dura- 
tion of trips 
Based 
on 
exits 
Min- 
utes 
10.26 
9.16 
35.33 
42.90 
15.19 
11.63 
14.53 
1 29. 19 
1 38. 19 
21.00 
1 33. 79 
1 45. 23 
1 63. 02 
35.90 
54.64 
61.66 
96.49 
102. 73 
50.89 
64.64 
39.53 
19.47 
24.89 
26.63 
44.88 
37.79 
43.39 
50.39 
31.23 
Based 
on 
returns 
Min- 
utes 
10.36 
8.92 
35.25 
42.86 
15.30 
11.43 
13.94 
1 31. 83 
1 40. 80 
21.26 
135 73 
1 62. 38 
1 64. 03 
50.18 
54.41 
61.40 
94.69 
103. 92 
49.81 
65.91 
39.28 
19.49 
24.69 
26.44 
46.67 
37.97 
53.31 
50.16 
28.60 
Correction appHed for bees registered as lost. 
Table 3. 
-Record of exits and returns, total and per quarter hour, and of bees 
* in the field. May 15, 1922 
Time 
Total 
exits 
Total 
returns 
Bees 
in 
field 
Exits 
in one- 
quar- 
ter 
hour 
Re- 
turns 
in one- 
quar- 
ter 
hour 
Time 
Total 
exits 
Tota- 
returns 
Bees 
in 
field 
Exits 
in one- 
quar- 
ter 
hour 
Re- 
turns 
in one- 
quar- 
ter 
hour 
Number 
Number 
Number 
Number 
Number 
Number 
7.00 





1.30 
27, 731 
25, 951 
1,780 
1,645 
1.641 
7.15 
7 


7 

1.45 
29, 042 
27, 289 
1,753 
1,311 
1.338 
7.30 
7 
15 
-8 

15 
2.00 
30, 708 
28, 865 
1,843 
1,666 
1,576 
7.45 
9 
26 
-17 
2 
11 
2.15 
32, 181 
30,541 
1,640 
1,473 
1,676 
8.00 
12 
31 
-19 
3 
5 
2.30 
33, 595 
31, 989 
1,606 
1,414 
1,448 
8.15 
19 
43 
-24 
7 
12 
2.45 
35, 223 
33. 457 
1,766 
1,628 
1,468 
8.30 
43 
59 
-16 
24 
16 
3.00 
36, 567 
35, 162 
1,405 
1,344 
1,705 
8.45 
110 
108 
2 
67 
49 
3.15 
37, 807 
37, 077 
730 
1,240 
1,915 
9.00 
367 
280 
87 
257 
172 
3.30 
38, 590 
38, 577 
13 
783 
1,500 
9.15 
1,225 
798 
427 
858 
518 
3.45 
39, 410 
39, 270 
140 
820 
693 
9.30 
2,557 
1,727 
830 
1,332 
929 
4.00 
40, 740 
39, 979 
761 
1,330 
709 
9.45 
4,075 
2,897 
1,178 
1,518 
1,170 
4.15 
42, 688 
41, 575 
1,113 
1,948 
1,596 
10.00 
5,621 
4,448 
1,173 
1,546 
1,551 
4.30 
44, 500 
43, 278 
1,222 
1,812 
1,703 
10.15 
7,131 
5,834 
1,297 
1,510 
1,386 
4.45 
45, 830 
44, 634 
1,196 
1,330 
1,356 
10.30 
9,091 
7,526 
1, 565 
1.960 
1,692 
5.00 
47, 204 
46, 105 
1,099 
1,374 
1,471 
10.45 
10, 864 
9,187 
1,677 
1,773 
1,661 
5.15 
48, 608 
47, 598 
1,010 
1,404 
1,493 
11.00 
12, 437 
10, 939 
1,498 
1,573 
1,752 
5.30 
50, 105 
49, 132 
973 
1,497 
1,534 
11.15 
13, 905 
12, 508 
1.397 
1,468 
1,569 
5.45 
51,315 
50, 421 
894 
1,210 
1,289 
11.30 
15,696 
14, 246 
1, 450 
1,791 
1,738 
6.00 
52, 394 
51,718 
676 
1,079 
1,297 
11.45 
17, 138 
15, 560 
1,578 
1,442 
1,314 
6.15 
53, 392 
53, 035 
357 
998 
1,317 
12.00 
18, 597 
17, 046 
1.551 
1,459 
1,486 
6.30 
53, 987 
54. 052 
-65 
595 
1,017 
12.15 
20, 200 
18, 577 
1,623 
1,603 
1,531 
6.45 
54,048 
54, 366 
-318 
61 
314 
12. 30 
21, 686 
20, 065 
1.621 
1,486 
1,488 
7.00 
54,058 
54, 474 
-416 
10 
108 
12.45 
23, 063 
21, 423 
1.640 
1,377 
1,358 
7.15 
54,061 
54,513 
-452 
3 
39 
1.00 
24, 577 
22, 867 
1.710 
1.514 
1,444 
7.30 
54,061 
54,528 
-467 

15 
1.15 
26, 086 
24,310 
1,776 
1,509 
1,443 
