Part 24

Lion, Bostock on the training of, 239-241.

Loco-weed, 83.

Locusts, 2.

Loon (Gavia imber), 180, 184; under ice, 235, 236.

Lophius piscatorius, 107.

Lubbock, Sir John, on recognition among bees and ants, 200.

Lynx, Canada, incredible story of, 183, 184.

Maeterlinck, Maurice, on the bee, 15; on the dog, 192, 193; his Life of the Bee, 201.

Mallard, domestic, finding its way home, 53-57.

Man, progress of, 26, 27; the line that divides him from the lower orders, 80, 81; animal origin of, 229, 230; instinct in, 255; learning through practice, 256.

Martin, Mrs. Annie, her story of a crow, 135, 136.

Meadowlark (Sturnella magna), song of, 34; flight song of, 43, 232, 233.

Meadowlark, Western (Sturnella magna neglecta), song of, 103.

Mice and traps, 23, 24.

Michelet, 147.

Mimicry, 248-250.

Mongoose, 72.

Monkeys, capable of the simpler forms of reason, 127.

Moose, a habit of, 142.

Moral code, evolution of, 23.

Morgan, C. Lloyd, 143, 149; his experiment with his dog, 164, 165.

Moth, hummingbird, 249, 250.

Mouse, white-footed, or deer mouse, an incident, 163, 164.

Muir, John, his story of his dog Stickeen, 193, 194.

Mullet, 96.

Mushrooms, animals eating, 83.

Muskrat, 211.

Mussels, ducks drowning, 180-182.