Gannet, 155 

 Garganey. See Duck 

 Gerfalcon, white, 114, 152 

 Gila monster, 174 

 Giraffe, 132-134 

 Glutton. See Wolverine 

 Gnat, 207 

 Goatsucker 



mimicry of, 101; minute patterns of, 35, 



39 ; young of, 82 

 Golden Eye. See Duck 

 Gopher, 127 

 Grampus, 123 

 Grapta. See Butterflies 

 Grasshopper, 199, 200 



Grass Patterns. See Background-picturing 

 Patterns 



Grebe, 83, figure 77, p. 82, and figure 80, p. 82 

 "Green Page." See Moths, Urania 

 Grosbeak, 116, figure 13, p. 28 

 Ground Patterns. See Background-Picturing 

 Patterns 



Grouse 



•figure 3i>P-37; fi g ure 3 2 > P- 37; fi g ure 33. 

 p. 40; figures 34-3 5- P- 40; figure 43, p. 44; 

 figure 44, p. 46, and figure 45, p. 46 ; hazel, 

 38; ruffed, 38, 39, 40, 69, 100, 1 01, 156, 

 217, see Plate II, opp. p. 38; Scotch, 45; 

 young of, 82 



Guillemots, figure 63, p. 78 



Gull 



coloration of, 72; black-head, 74; jaegers 

 (robber), 75; laughing, 74; young of, 74, 

 75, figure 75, p. 82 



H 



Hairs, in the composition of patterns, 139 

 Hare, 7, 119, figure 85, p. 128; figure 86, p. 128; 



figure 103, p. 150; figure 112, p. 154; and 



figure 113, p. 154 

 Harlequin. See Duck 

 Hawk 



figure 13, p. 28; prey-bewildering mark- 

 ings of, 80; wing area of , 231; goshawk, 

 80, 116, figure 64, p. 80; figure 65, p. 80; 

 and figure 66, p. 80; harpy 84; osprey, 74, 

 85 ; red-tailed, 231 



Heather Patterns. See Background-picturing 

 Patterns 



Hedgehog, 119, 121 



Heliconii. See Butterflies 



Hen, 25, figure 6, p. 26 



Heron 



coloration of, 58; colored beaks of, 85; 



habits of, 56; great blue, 74; green, 92; 



purple, 57; tiger, 57; white, 155 

 Hetcera esmeralda. See Butterflies 

 Hiding Patterns. See Patterns 

 Hippopotamus, 119 

 Hole-picturing. See Patterns 



2 



Hopper 



leaf, 204; tree, 202 

 Hornet, 205 

 Hornpout, 169 



Hummingbird Papilio. See Butterflies 



H ummingbirds 



coloration of females, 105; function of 

 flashing headgear of, 105 note; oblitera- 

 tive equipment of, 103-106 



Hunting Frog. See Angler 



Hyena, 119 



Hypolymnas misippus. See Butterflies 

 Hyrax, 119 



I ' 



Ibis, 154 

 Iguana, 174 

 Inchworm, 4 



Indistinguishability, conditions of, 7, 9-1 1, 13 



Iridescence 



potency of in animal concealment, 87—89, 

 94, 95, 244, 245; of butterflies, 224; of 

 dragon-flies, 208; of fishes, 167; of flies, 

 206; of herons, 58 ; of humming-birds, 103 



J 



Jacamar, 90, 109, 206 

 Jacana 



colored wattles of, 85; habits of, 59; 

 obliterative shading in young of, 60 ; 

 spurs of, 60, 61 

 Jackal, 127 



Jaguar, 132, 133, 134, figure 87, p. 132 

 Japanese, animal pictures of, 28 note 

 Jay, blue, 114, 115, see Plate VI, opp. p. 107; 

 figure 13, p. 28, and figure 60, p. 78 



K 



Kallima inachis. See Butterflies 

 Kangaroo, 132 

 Katydid, 199 

 Kingfisher 



changeable coloration of, 90, 91; dazzling 

 markings of, 155; habits of, 130; com- 

 mon European, 91 



Kipling, Rudyard, quoted, 135 note 



Knot, 53 



Koodoo. See Antelope 

 L 



Lape (Paca), 143 

 Lapwing, figure 69, p. 81 

 Lark, 44, *57 



Leaf -disease-spots, mimicry of by caterpillars, 



189 



Leaf insect, 198 



Leaf Patterns. See Background-picturing Pat- 

 terns 



Leaf -vein Patterns. See Patterns 



