272 ANTS TO SOME EXTENT 
To mM” 1 To mw O Tom O 
ao 1 ” 0 29 1 
ss 1 bs 0) ey ll 
5 ] Es 0 5. alk 
3? 1 0” 1 ted 1 
” 0 bby 0 ” 1 
3 1 Py) 0 ” 0 
9 1 bd 0 ” 0 
” 1 9 0 bid 0 
” 1 bed 0 ” 0 
” 1 » dL » O 
3 ] 35 1 3: 0 
” 1 ” 0 oo 0 
12 3 5 
It seems clear, therefore, that though the ants did 
not trust so much to their eyes as a man would have 
done under similar circumstances, yet that they were 
to some extent guided by sight. 
I then removed all the paper pathways and put the 
Fig, 31. pillar tom. Of the first two ants 
which came to the table, the first 
found the pillar in five minutes, 
the second, after wandering about 
for a quarter of an hour, gave the 
search up in despair, and went 
home. JI then moved the pillar 
to mM’, and watched the next ant 
that came on to the table; she found it in a minute or 
