DO ANIMALS THINK AND REFLCT? 
for mistakes of this sort, and they had learned 
through ages of experience to blend the nest with 
its surroundings, by the use of moss, the better to 
conceal it. My phcebe brought her moss to the new 
timbers of the porch, where it had precisely the 
opposite effect to what it had under the gray mossy 
tocks. 
I was amused at the case of a robin that recently 
came to my knowledge. The bird built its nest in 
the south end of a rude shed that covered a table at 
a railroad terminus upon which a locomotive was 
frequently turned. When her end of the shed was 
turned to the north she built another nest in the 
temporary south end, and as the reversal of the 
shed ends continued from day to day, she soon had 
two nests with two sets of eggs. When I last heard 
from her, she was consistently sitting on that par- 
ticular nest which happened to be for the time be- 
ing in the end of the shed facing toward the south. 
The bewildered bird evidently had had no experi- 
ence with the tricks of turn-tables! 
An intelligent man once told me that crabs could 
reason, and this was his proof: In hunting for crabs 
in shallow water, he found one that had just cast 
its shell, but the crab put up just as brave a fight 
as ever, though of course it was powerless to inflict 
any pain; as soon as the creature found that its 
bluff game did not work, it offered no further re- 
sistance. Now I should as soon say a wasp rea- 
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