INDEX 



97-g; scents for defensive pur- 

 poses, 99 ; TASTE : taste-by- 

 touch, 16; special hairs serving 

 as tongues, 109; discrimination, 

 no; TOUCH : hairs as organs of 

 touch, 1 15-16; the antennae 

 and ovipostors of ichneumon 

 flies, 118; their sensilla, 180; 

 MONITORS : the proprioceptors, 

 223 



Jacobson's organ, 17, 91, 200 

 Jelly-fish : few special sense-organs, 

 127-8; nerve network, 133-4 



Kestrel, its sight, 58-9 



Ladybirds, 99 



Lagena : of birds, 1 74 ; of fishes, 



177 

 Lampreys, 219, 221 

 Lapwings, 135 

 Larvae, their negative reaction to 



light, 22-3 

 Lateral line, of fishes, 18, 180-1, 



194 



Lemurs, their use of scent for 

 marking out territory, 107 



Limpet: its sight, 157, 167-8; 

 homing instinct, 225-6 



Little Owl : its sight, and field 

 observations on, 60-2 



Lizards, 46; sight: and moving 

 prey, 25, 5 ^ 52-3; eyelids, 26, 

 139; limited colour vision of 

 some species, 47, 52 ; observa- 

 tions and experiments, 49-53 ; 

 best sighted of all reptiles, 49 ; 

 hearing: sensitivity, 72-3, 177; 

 observations and experiments, 

 78—80 ; SMELL, dependence upon, 

 18, 100; the tongue a detector 

 of smells, 91, 200; experiment 

 on, 102; olfactory mechanism, 

 1 99-200 ; TOUCH : sensitivity, 



119 



Lob-worm, 32 



Long-eared Owl : sight, 60 ; its 

 ear-tufts used for display, 61 



Lurchers (greyhound cross), scent- 

 ing powers of, 106 



Macaws, their sense of touch, 1 1 5 



235 



McBride, Arthur, 188-9 



Mammal Society of the British 

 Isles, 27 



Mammals : sight : characteristics, 

 27-8; nocturnal vision, 28-9; 

 observations and experiments, 

 65-8 ; mostly lack colour vision, 

 68, 150, 154; hearing: sensiti- 

 vity, 19-20, 74-5, 83; the only 

 creatures with external ears, 83- 

 84; experiments on, 84; struc- 

 ture of the ear, 169-73; smell: 

 importance of, for varied pur- 

 poses, 19, 197-8 ; scenting power, 

 89, 93-4 ; field observations and 

 experiments, 103-8; scenting 

 powers of sporting dogs, 105-6; 

 TASTE : taste-smell relationship, 

 III; behaviour of carnivores 

 with pregnant female prey, 1 1 1- 

 112; discrimination, 1 12-13; 

 touch : whiskers as sensitive 

 tactile features, 115; variations 

 of manifestation, 119-20; of 

 badgers, hedgehogs, cats, ra- 

 coons, 1 20 ; monkeys and apes, 

 1 20-1; whiskers as tactile or- 

 gans on aquatic mammals, 209- 

 210 



Manatee, its sense of smell, 198 



Marsh Frog: observations on its 

 sight, 39-40; territorial defence 

 behaviour, 77-8 



Mealworm, 41 



Medway, Lord, 192 



Memory, in birds, 82-3 



Metazoa, 127-8 



Mice, 41; sight, 28; hearing, 75; 

 scenting power, 1 06 



Micro-climates, 94 



Microscope, for observing lower 

 organisms, 30-1 



Migration, 225-9 



Millipedes, 201 



Mimicry, of birds, 82, 1 74-5 



Moles : experiments on sight of, 

 67-8 ; sense of touch, 120 



Molluscs: eyes of, 157-60; touch- 

 receptors, 2 1 1 



Mongoose : attacks on snakes, 54 ; 

 uses scent for marking out terri- 

 tory, 107; behaviour before eat- 

 ing prey, 1 1 1-12 



