Page:Birdlifeguide00chap.djvu/22

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xvi LIST OP ILLUSTRATIONS. PIG. PAGE 22. Curved bill of female, straight bill of male Huia-bird . . 33 23. Feathers from back of Snowflake, showing seasonal changes in form and color due to wearing off of tips . . . .38 24. Eggs of (a) Spotted Sandpiper and (h) Catbird, to show differ- ence in size of eggs of praecocial and altricial birds of same size 68 25. Topography of a bird 74