of powers, that are beyond our ken. That some Being willed it, designed
it, no; yet it was in some way provided for in the constitution of the
world.

THE END

INDEX

Agassiz, Louis, 168, 169.

Air, light and heavy, 72, 73.

Albatross, 38.

Animal life, abundance, 11, 12.

Antlers, 201.

Ants, 11.

Army trucks, 110, 111.

Arum, 196.

Automobile trip, 109-26.

Bacon, Francis, 186.

Barton, W. Va., 119.

Bee, honey, spirit of the hive, 152, 158-62;
intelligence, 156, 157;
communication, 159, 160;
their world, 161;
sting, 165.

Bee, leaf-cutter, 14, 15.

Beech, autumn color, 3.

Birds, living with, 31;
flight, 32-38;
and cats, 56;
nesting near houses, 54-59;
home sense, 59;
nests of most species built by the females, 64, 65;
and dead trees, 84, 85;
song, 86;
at Pine Knot, Va., 102-05;
of southern California, 129-32;
community of mind in flocks, 153, 154.

Birds' nests, finding, 79-81.

Bluebird, endearing qualities, 43;
nesting, 43, 44, 54;
experience with a pair, 44-48.

Bobolink, song flight, 38, 85.

Bolar Springs, 117.

Brain, as organ of the mind, 22, 23.

Buffon, Georges Louis Le Clerc, 157.

Bumble-bee, carpenter, 36.

Bunting, indigo, nesting, 90, 91.

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.

Cuc