Alcedinidæ, sexual colouring and nidification of, 240 (#x7_x_7_i16).
Amadina, sexual colouring and nidification of, 243 (#x7_x_7_i32).
Ampelidæ, sexual colouring and nidification of, 243 (#x7_x_7_i32).
Ancylotherium, 300 (#x8_x_8_i45).
Andrenidæ, 98 (#x3_x_3_i43).
Angræcum sesquipedale, 272 (#x8_x_8_i13);
its fertilization by a large moth, 275 (#x8_x_8_i15).
Animals, senses and faculties of, 127 (#x4_x_4_i20);
intellect of, compared with that of savages, 341 (#x9_x_9_i60).
Anisocerinæ, 92 (#x3_x_3_i36).
Anoa, 196 (#x6_x_6_i10).
Anoplotherium, 299 (#x8_x_8_i45).
Anthribidæ, mimicry of, 94 (#x3_x_3_i37);
dimorphism in, 155 (#x4_x_4_i51).
Anthrocera filipendulæ, 120 (#x4_x_4_i8).
Anthropologists, wide difference of opinion among, as to origin of human races, 304 (#x9_x_9_i4);
conflicting views of, harmonized, 321 (#x9_x_9_i31).
Antiquity of man, 303 (#x9_pgepubid00101), 322 (#x9_x_9_i32).
Apathus, 98 (#x3_x_3_i43).
Apparent exceptions to law of colour and nidification, 253 (#x7_pgepubid00085).
Aquatic birds, why abundant, 32 (#x2_x_2_i20).
Araschnia prorsa, 154 (#x4_x_4_i50).
Archegosaurus, 300 (#x8_x_8_i45).
Archæopteryx, 300 (#x8_x_8_i45).
Architecture of most nations derivative, 228 (#x6_x_6_i71);
Grecian, false in principle, 226 (#x6_x_6_i69).
Arctic animals, white colour of, 50 (#x2_x_2_i48), 51 (#x2_x_2_i49).
Argyll, Duke of, on colours of Woodcock, 53 (#x2_x_2_i54);
on mind in nature, 265 (#x7_x_7_i90);
criticism on Darwin’s works, 269 (#x8_x_8_i5);
on humming birds 282 (#x8_pgepubid00093);
on creation by birth, 282 (#x8_pgepubid00093).
Asilus, 97 (#x3_x_3_i40).
Aspects of nature as influencing man’s development, 317 (#x9_x_9_i23).
BABIRUSA, 196 (#x6_x_6_i10).
Balance in nature, 42 (#x2_x_2_i34).
Barrington, Hon. Daines, on song of birds, 220 (#x6_x_6_i48).
Basilornis, 196 (#x6_x_6_i10).
Bates, Mr., first adopted the word “mimicry,” 75 (#x3_x_3_i13);
his observations on Leptalis and Heliconidæ, 82 (#x3_x_3_i23);
his paper explaining the theory of mimicry, 83 (#x3_x_3_i24);
objections to his theory, 108 (#x3_pgepubid00041);
on variation, 165 (#x5_x_5_i3);
on recent immigration of Amazonian Indians, 214 (#x6_x_6_i40).
Bayma, Mr., on “Molecular Mechanics,” 363 (#x10_pgepubid00125), 364 (#x10_x_10_i28).
Beauty in nature, 282 (#x8_pgepubid00093);
not universal, 284 (#x8_x_8_i25);
of flowers useful to them, 285 (#x8_x_8_i26);
not given for its own sake, 285 (#x8_x_8_i26).
Birds, possible rapid increase of, 29 (#x2_x_2_i18);