The Child's Book of Nature for the Use of Families and Schools Intended to Aid Mothers and Teachers in Training Children in the Observation of Nature. Revised Edition. Part 3: Air, Water, Heat, Light, etc. (1886)
Hooker, Worthington · Harper & Brothers · leaf 28
22 FLYING AND SWIMMING. Flying in water. The kite. The tail of a fish like a ecnlling oar. in the air, that you can do it. Swimming is really flying in water. The hands and feet do for the swimmer what the wings do for the bird. He presses against the water with his hands and feet in the same way… … through the air and into the water with a dash. Fishes swim chiefly with their tails. The tail is to a fish in the water what wings are to a bird in the air. It acts like a sculling oar in a boat, as I told you in Part Second, Chapter XXII. The tins are the balancers, while the tail works the fish
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