Edward F. Bigelow, Ernest F. Coe, F. M. Chapman, Raymond L. Ditmars

“ I have noticed that a humming-bird will hover before a flower, and after sipping the honey from it, will fly on to another, and a second bird will come and pause in the air before the flower, about a foot away, and, apparently finding nothing in it, go onto another. ”

“ The tissues of the body have more salts than are usually found in fresh water. When you have more salt on one side of an animal membrane than on the other, nature tries to equalize the amount on both sides. ”

“ Rattlesnakes are at no time blind or unable to see well enough to strike with accuracy. The only time when a snake’s vision is affected, occurs shortly prior to the shedding of the skin, at which time the eyes are covered with a thin, bluish covering. Even in this condition the snake sees fairly well, although its vision is not so clear as at other times. ”