Terns, Possible ruse of, against arctic skua, 11, 12
— Preferred as quarry by arctic skua, 13
— Excitement in colony of, on young being interfered with, 31–34
— Anger of, compared with that of insects, 31, 32
— Yahoo-like habit of, 32, 33
— Fiercer in the Shetlands than in southern England, 34
— In a mirage, 35, 36
— Mobbing hares, 32, 33
— Slight difference between common, and arctic, 34, 35
— Assaults made on author in defence of young, 39, 41, 42; beak only used in such assaults, by, 39, 41, 42; differ, in this respect, from skuas and gulls, 39–41
— Young encouraged to fly by, colony of, 42; and may need such encouragement, 42, 43
— Lethargy of young, 42, 43
— The common made roseate terns, 85
Terns, Communal interest of, in young, 179
— Possible process of social evolution in, on analogy of insects, 179–83
Theory, A soil in which facts grow, 79, 80
— Voltaire's simile in regard to, 90
United Kingdom, the, Strange summer contained in, 167
— Not mistaken by author, for paradise, 167
W
Water Wagtail, Carries many insects to young, at a time, 302
Whales, Small, off the Shetlands, 84
— Seen by author, leaping out of the sea, 84, 85
Wind, the, Difference of, in England and the Shetlands, 170, 171, 190
Wren, a, By the wild seashore, 238-40
Z
Zoologist of the future, the, 323
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