ACTIVITY OF A HIVE OF BEES. QI 
results, however, remain essentially the same. On May 8 this 
weight was taken at 5 A.M., and, as shown by the curve (Fig. 
1), the weight of the hive slightly decreased during the next 
hour, or, in other words, the bees left it for their field labors i in 
small numbers, but at 6 2300 . 
d. 
o'clock large numbers ofpe J 
the bees left, for during 3. 2000 
the succeeding hour the a 
weight of the hive de- | 
creased by about 300 1600 
gm. From 7 o'clook | 
1320 
~ 
8 
<A 
Lora, 
ar Bp 
until 8 the number of 1300} z 
outgoing bees seemed to 79° | / 
decrease, for the line of oo F 
descent, as shown in the %f[ d. 
s i 800 / 
figure, is not quite sO z% | sf s 
precipitous. : This & AAE 
oe [| Wels 
change, however, might- ana IE 
and probably was due 3} f / 
to returning bees. This $l |, ; A h é 
brings out the crudity œ & va 4 a Ra T | RTT 
of the method of ex- “i NY Bites A À 
peri tation ; for the -300 \\\ 380 / A 
curves, without an ac- jan nea A | 
tual counting of bees, -6o > Wi J 
can show only relative 7° f | A \ 
. - 800 800 
numbers. This, how- _,o| 880 
ever, is sufficient for -100 4 
practical purposes: At s., > ihe herioa kasi chile te wel he 
, : d below the zero line (= the first morning 
8 o'clock the hive was above Py clad a a tae: 
over 500 gm. lighter than ; l 
in the morning, and from this time until ọ it decreased in weight 
but little, reaching then the minimum forenoon weight of— 5 50 
gm. From ọ o'clock until 10 the hive very slowly increased in 
weight, and then more rapidly, until at the end of the next hour 
the weight had risen to 380 gm. below the zero weight. Then 
it as rapidly decreased until noon, after which it slowly sank to 
620 gm. below the morning weight, —the second minimum and | 
