Part 21

Bunting, painted, 114.

Butterflies, flight, 34; flocking, 155.

Butterfly, monarch, 34, 35, 155.

Buzzard, turkey, 32-34.

Cacti, 143-48.

California, southern, observations in, 127-51; coast, 127; mountains, 127, 128; climate and soil, 128; bird-song, 128, 129; birds, 129-32; change of climate in, 210-12.

Cambium layer, 5, 6.

Carpenter, W. B., quoted, 194.

Catbird, 30; stealthiness, 60, 67, 68; experience with a pair, 60-66; fondness for butter, 66; theatrical, 68; notes, 87.

Caterpillars, 91-94.

Causes, 165-67.

Cedar-bird, 65.

Chance, in animal life, 208, 209.

Cheat River, W. Va., 116.

Chipmunks, two in a den, 11; storing currants, 17; carrying provender, 96, 97.

Chippie. See Sparrow, chipping.

Chlorophyll, 190, 191.

Chrysalis, 12.

Condor, 33, 34.

Connellsville, Pa., 113.

Cormorant, 132.

Cosmos, the, order and harmony of, 191-93.

Cow, 205.

Crow, flight, 37; needs no great wing-power, 180.

Crow, fish, 55, 56, 68.

Cuckoo, 71, 72, 87; solemnity, 88; nesting, 88, 89; young, 89; nest, 90; food, 90.

Cuckoo, black-billed, notes, 87, 88; nesting-habits, 88.

Cuckoo, yellow-billed, 87.