Hornbills, why Mr. Hornbill shuts his wife up in their home in a hollow tree, [169]
Hungary, home of the field rat, a farmer who stores grain for the winter, [212]
Ice Ages, how the glaciers ploughed and mixed the soil, [237]
Insects, their service in pulverizing and fertilizing the soil, [92];
damage done by injurious insects, [93];
relation of insects to crustaceans, [143]
Kangaroo rat, [131]
Kingfishers, their tunnel homes in the bank and how their fishing habits help enrich the soil, [171]
Kiwi, a late bird that nevertheless gets the worm, [167]
Lichens, first of the soil makers—how they helped Columbus discover the world by discovering it first, [1];
how the volcanoes and the lichens work together, [235]
Lizards, reign of the lizard family in the days of the prehistoric monsters, [25]
Lubbock, Sir John, the great London banker who carried ants in his pocket—what he had to say about the pleasures of Nature Study, [231]