Part 25

Mouse, jumping, 166, 167.

Mouse, white-footed, 166.

Mullets, 154.

Natural history about home, 39, 40.

Nature, her methods unlike ours, 179-81, 199; interpreting, 186-90; lavishness and parsimony, 195, 196, 209; puzzling and contradictory, 201, 202; all-seeing, 212-14; her movements circular, 214-16.

Nighthawk, 104.

Nonpareil, or painted bunting, 114.

North Carolina, a countryman of, 121.

Northern Hemisphere, 171, 172.

Oak, autumn color, 3.

Odd and even numbers, 163-65.

Oriole, Baltimore, 30, 56; nest, 48-52, 64.

Oriole, Bullock's, nest, 52.

Oriole, orchard, nest, 52.

Osborn, Henry Fairfield, on the origin of life, 194, 195.

Ostrich, 200.

Owl, screech, 45-47.

Pacific Ocean, 127.

Pain, 209.

Pear-trees, autumn color, 1.

Pelican, California brown, 131, 132.

Pennsylvania, motor trip through, 109-13.

Pewee, wood, nest, 52, 64; its plaint, 87.

Phœbe, flight, 37; nest, 52-54, 56, 59, 60, 64, 79, 80.

Pigeon, wild, 103, 104.

Pine Knot, Va., visit to, 101-08.

Pipit, American, 129; nest, 129, 130.

Pittsburgh, 111.