Abdomen, 125
Acetabulum, 135
Ammophila, 22
Andrena, 9, 12, 15, 48, 77, 79, 122, 139
-- fulva, 121
-- rosae, 138
-- thoracica, 121
Antennae, 101, 103, 134
Anthidium, 50, 121
Anthophila, 6
Anthophora, 48, 61, 82, 93, 109, 111, 121
-- pilipes, 61
-- retusa, 62
Ants, 28, 31, 88
Aphides, 88
Apis, 16
Astatus, 103
Banded bodies, 120
Beetles, 20
Biting, 3, 32
Black Species, 120
Bombus, 16
-- terrestris, 41, 42
Brain, 125
Bramble Stems, 12
Breeding, 113
Broods, 13
Burrows, 9
Calcaria, 70, 135
Carder Bees, 40
Cardines, 75
Carpenter bee, 55
Caterpillar, 19, 20
Cells, 10, 12, 28, 29, 40, 58
-- hexagonal, 28
-- pitcher-shaped, 58
-- waxen, 29, 40
Ceratina, 47, 128
Chimneys, 25
Chloroform, 118
Chrysis, 27
Cilissa, 48
Cleaning hairs, 68
Clover fertilization, 39
Cockroaches, 128
Cocoons, 33, 58
Coleoptera, 128, 129
Colletes, 44
Colonies, 5, 63
Colour, 100
Colour schemes, 22
Combs, 23, 68, 69
Corbicula, 67
Coxae, 135
Crabro, 95, 102
-- albilabris, 119
Cuckoos, 3, 14, 30, 54
-- flight of, 85
Cyanide, 116
Dasypoda, 48
Development, 124
Digestion, 125
Diggers, 6, 7
{142}
Diptera, 129
Distribution, 105
Domestication, 41
Drone flies, 3
Dufourea, 106
Earwigs, 128
English names, 55
Epeolus, 45
Ether, 117
Eyes, 134
Females, 95
Femur, 135
Figwort, 36
Figure of insect, 133
Flies, 3, 129
Flower lovers, 6
Flute, 57
Food, 6, 28
Foot, 135
Formica, 34, 59
-- fusca, 119
-- sanguinea, 89
Formicoxenus, 96
Fossors, 6, 7
Galleries, 28
Grasshoppers, 19, 128
Growth, 126
Guests of Ants, 89
Hairs, 65, 71
Halictus, 13, 15, 17, 77, 94, 97, 119, 122
Head, 125
Hemiptera, 129, 130
Heterogyna, 28, 31
Heteromorphae, 130
Hive bee, 2, 16
Homing instinct, 21
Homomorphae, 130
Honey pots, 29
Hornets, 35
Humble bees, 39
-- mutilated, 41
Hymenoptera, 128, 129
Ichneumons, 21
Inquilines, 3