98 
PROCEEDINGS OF THE NATURAL [April, 1887. 
79 left at 11:20 and returned in 40 minutes. 
54 “ “11:25 
Of these 32 “ 35 << 
_ Slx was P s > then, were gone 25 minutes; 1(5, 30 minutes; 201, 
35 minutes; 962, 40 minutes; 1,340, 45 minutes; 387,50minutes; 
526, 55 minutes; 198, 60 minutes, and 3, 65 minutes. 
With these figures as a basis of calculation we find that on an 
average, one trip occupies 43 minutes. We hail supposed the 
time to be much shorter. The wasps entered and left the nest 
°u° were in great haste, and this gave a strong im- 
* 1011 of celerity. But on thinking the matter over the neces- 
&i y or rapid action at the point of entering or leaving became 
apparent; the entrance was small and the numbers using it very 
arge, and had they not moved quickly both in-going and out¬ 
going wasps would have been delayed and inconvenienced. As 
it was we frequently saw them jostle each other in passing 
We 2 ° nCe f+ a ' Vay fr ° m the nest the ^ take things more easily. 
whici . n ° tiCed th6m Hngerin S abo "t certain spots "to 
the erormrf especia ^^ attracted, alternately walking over 
We ha r and above it for half an hour at a time. 
1l r h : m »» ‘"sect, and failing to ,ec™ it 
“ d ‘ l,en relum «r*.t the .tempt 
TieZ a?! “, OV “ g de " te *“J’ with rathe, »„ in- 
ing aZ2 T,' 7 gl ™ g "*> tteir ob j“‘ « thee„,l ^go- 
inconsistent with d ““ et “” g else ' Mem, at first to be 
w^rid f r .**» 
the honev four ° ne lnst ance a wasp visited 
eight times in a rntTeT' T h ° Urs i in another thirty- 
a wasp mad^mm hundred^and sixt^ ^ ^ 
a half, making about seven trips afh V1SltS “ h ° UrSand 
conditions were different. A plentifui° Ur ' . Here - however ’^ 
vided at a certain spot and all that the PP J ° f f °° d ^ F °' 
to it, take a load and return to the nest t0 ** T 
circumstances, were also Uur wasps » under like 
them with a quantity of dec l”^ ^ n ° US ’ ^ When We supplied 
with remarkable perseverance worked away at them 
ance. On the afternoon of August 26 
