destroyed by the milkweed, 235.

Beetles (_Cicindela_), tiger, 68.

Birds:
--Swifts, 5;
robin, 5;
vireo, 5, 45;
indigo, 5;
chat, 5, 40;
oriole, 5, 32;
red-headed chippy; barn-swallow, 6, 28, 39, 40;
cuckoo, 23;
"kow-bird"; cow black-bird; bunting, 27;
song-sparrow, 30, 40;
Maryland yellow-throat, 28, 45;
Wilson's thrush; chewink, 32;
fly-catcher; bluebird; oven-bird; cat-bird; phoebe, 40;
bobolink; "reed-bird," 53;
humming, 227.

Birds' nests:
--Flimsy structure of the cuckoo's, 26;
song-sparrow's, 30;
oriole's swinging hammock; cobweb structure of the vireo's, 32;
size of yellow-bird's; summer yellow-bird's beautiful home, 47;
a four-story house, a possible fashion in featherdom, 51;
pipit's, 35;
wood-sparrow's, 37.

Bittersweet (_Celastrus scandens_), queer little harlequins on, 9;
its scarlet-coated seeds, 88.

Blackburn, Mrs., quoted, 35.

Blair, Patrick, his claims concerning pollen, 111.

Blossom ceremonies, 119.

Blue-flag,
its hidden anthers reached only by the bumblebee or large fly,129;
manner of the bee's approach, 131.

Burroughs on wren-building, 17.

Butterflies:
--Great yellow swallow-tail (_Papilio turnus_); red admiral
(_Pyrameis Atlanta_); small yellow (_Philodice_); semicolon
(_Grapta interrogationis_); comma (_Vanessa comma_), 153;
orange; white (_Aphrodite_), 154;
white cabbage (_Pontia oleracea_) 153.

_Cactus_, prickly-pear, its golden bower, 118.

_Collinsonia_, horse-balm, 136.

Caterpillars, 10, 14, 15, 62.

_Celastrus scandens_, bittersweet, 88.

_Chamaelirium luteum_, devil's-bit, 133.

Chipmonk, 6.

Cicada,
victim of the sand-hornet, 77;
manner of depositing its eggs; period of transformation, 97;
time of hatching, 100.

Cicindela, tiger-beetle, 68.

Clover, cause of failure of crop in Australia, 117.

Cobwebs:
--A dusty prize; a two year's span, 7;
a mixed assortment in, 8.

Cone-flower (_Rudbeckia hirta_), 138;
embryo seeds; arrangement of the anthers, 139.

Cow black-bird, 27;
his favorite perch; old dame's theory, 28;
an unwelcome intruder, 30;
a prowling foe, 31.

Cow-bird:
--Ravenous young parasite, 31;
a clamoring lubber, 37;
"Black Douglas" of the bird-home, 38;
selected victims, 39;
distribution of its