yourself, how it would fare with you, did you sideways survey objects
through your ears. You would find that you could only command some
thirty degrees of vision in advance of the straight side-line of sight;
and about thirty more behind it. If your bitterest foe were walking
straight towards you, with dagger uplifted in broad day, you would not
be able to see him, any more than if he were stealing upon you from
behind. In a word, you would have two backs, so to speak; but, at the
same time, also, two fronts (side fronts): for what is it that makes the
front of a man--what, indeed, but his eyes?
Moreover, while in most other animals that I can now think of, the eyes
are so planted as imperceptibly to blend their visual power, so as to
produce one picture and not two to the brain; the peculiar position of
the whale's eyes, effectually divided as they are by many cubic feet of
solid head, which towers between them like a great mountain separating
two lakes in valleys; this, of course, must wholly separate the
impressions which each independent organ imparts. The whale, therefore,
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