Part 24

— the dorr, 217

— the great water species, 224, 232.

Birds, partiality of the author to, 109, 120

— migration of, 110, 145

— injurious to trees, 114

— various food of, ibid.

— song and voices of, 119, 178. 189

— nests of, 121, 122, 123, 124

— great destroyers of insects, 124

— species of, diminishing in number, 137

— labor of, to feed their young, 140

— friendship of, 147

— eggs of, 156, 182

— dislike of, to man, 160

— stratagem of one, 163

— early rising of, 164

— boldness of, 176

— solitary and congregating ones, 178

— language of, unvarying, 185

— pleasure afforded by, to man, 189

— For the different kinds, see their respective English names.

Blackbird, song of the, 188.

Blackcap, the, 159.

Blight, 236

— some trees not affected by, ibid.

— manner in which this insect propagates itself, 237

— whence derived, uncertain, 238

— saline winds a supposed cause of, 254.