112 
PROCEEDINGS OF THE NATURAL [April, 1887. 
From 8:47-8:52 60 entered true hole, 42 first visited false. 
“ 8:55-8:59 29 “ “ “ 24 “ <• “ 
We now placed another red paper to the west of the true hole. 
From 9:05—9:10 29 went to the false holes of which only 23 
afterward found the true. Eight of the 29 went from one false hole 
to the other before entering the true. It was plain that they re¬ 
membered the changes and did not linger so long in the false 
holes. We now removed the second red paper. 
; From 10:30-10:35 202 entered true hole. 
10:35-10:40 114 visited false hole. 
“ 10:40-10:45 96 “ “ “ 
“ 10:45-10:50 142 entered true hole. 
Going in at 10:50 one wasp worked for ten minutes in the 
alse hole cutting a blade of grass which it finally carried into 
the true hole. Two others were going in and out, carrying out 
pellets of earth. 
From 3:05-3:10 p. m. 131 entered true hole and 15 went to the false, 7 
entering. 
3:10-3:15 “ 117 entered true hole and 15 went to the false, 7 
entering. 
Of the above 30 visiting the false hole at least half flew 
the true to enter the false. 
across 
» X 37 en !f' ed T b t- 2 V “ M *"»• 
„ none Visited false. 
and°the3 8 “ ‘ h<i ^ P “ P * r bein * stU1 th. true hoi. 
euterS th. T"“IT S ” ar ’ fr ° r “ U45-l:50, e. ». 261 
m1£ p J h °’h'7 12 th6 ““>■ 7 
green peper blew over theTol™dTh?®” 8 W ' th i?” 
A. lea., 100 collected. M^tM T»T T? 8 w 
took the wrpon y ttiea in the false hole. W< 
but only 3 or 4 entered .^^'w^then^placed^he^ ^ 
- 
the color that had directed them. 1Sappeared - Jt was P lainI ? 
