388 
Terns, Possible ruse of, again 
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. 
— Ina 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, 
2; differ, in this respect, from 
skuas and gulls, 39-41 
— Young encouraged to fly by, colony 
of, 423 and may need such en- 
couragement, 42, 43 
— Lethargy of young, 42, 43 
— The common made roseate terns, 85 
arctic 
INDEX 
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, go 
United Kingdom, the, Strange summer 
contained in, 167 
— Not mistaken by author, for paradise, 
167 
WwW 
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 
PLYMOUTH 
WILLIAM BRENDON AND SON, LTD, 
PRINTERS 
