Part 36

Poverty-grass, 76.

Prairie, 65.

Precipice, 169, 180, 182.

Protective coloration, 146, 187.

Puffballs, 116, 128.

Pumpkins, 79.

Pupa, 82, 83, 95, 96, 104-106, 108-111.

Pupa-cases, 95.

Purple finch, 18.

Purslane, 69.

Pussy-willows, 13.

Queen bumblebee, 80, 81.

Queen mother, 82.

Queens, 98, 99, 105, 108.

Quartz, 134.

Rabbit, 136, 139, 145-149.

Racemes, 190.

Ragweed, 69, 70, 155, 161.

Raid, 104, 106-109.

Rainbow, 182.

Rain, 130.

Range, 173, 177, 189, 194.

Rapids, 171, 178, 179.

Raspberries, 146.

Ravine, 66, 123, 169, 170, 177, 178.

Red ants, 4, 102, 104-110, 112.

Red cherry, 66.

Red clover, 71.