The Bookshelf for boys and girls: Nature and Outdoor Life (1912)
University Society, New York · New York. : University Society · leaf 103
s things arein a blur, as this page would be to you heldten feet away. Or hold both hands in frontof you about two feet apart. Look at oneand you can see dimly the other—about asclearly as the insect sees everything. Al-though you do not see clearly the hand atwhich you are not looking directly,… … MOURNING HORSE-FLY. GREATLY MAGNIFIED VIEW OF A PART OF THE EYEOF A DYTISCUS.(This was photographed in a microscope. The light used was from alamp. The flame shows faintly repeated in the facets. Examine with areading-glass, and you can see the six-sided divisions between the facets.) The…
Children's literature · Children's encyclopedias and dictionaries · Literature · Encyclopedias and dictionaries
Internet Archive · BYU–Idaho · Public Domain Mark 1.0. Free to use for anything.
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