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ANIMAL CURIOSITIES 
two separate images at the same time, but how 
the brain of the animal is able to differentiate 
between those objects that are reflected before 
it and those that are behind, is certainly a 
difficult matter to explain. Then, again, the 
question at once arises as to whether the 
animal can focus simultaneously a near object 
with one eye, and a more distant object with 
the other ? 
