LIST OF ILLUSTRATIONS 



}URE 



FRONTISPIECE A Wild Cat and her Kittens 



1. A specimen left-hand page of a note-book . . 2 



2. A specimen right-hand page of a note-book . ... 3 



3. A Map showing the method of recording observations by the use of flag 



labels. . 5 



4. A Plum cut through, and showing the seed laid bare by the removal of part 



of the stone ...... . . 7 



5-8. The development of a dwarf Bean Pod ..... 10 



9. The fruit of Caper Spurge . . . . . . .11 



10. The ripened fruit of Caper Spurge, scattering its seeds . . . 11 



11. The fruits of Robin-run-in-the-hedge ...... 12 



12. The head of Burdock . . . . . . . 12 



13. The fruit of Barley Grass . . . . . . .13 



14. The fruit of Goat's Beard . . . . . . . 13 . 



15. The fruit of "Old Man's Beard" . . . . . .13 



16. The fruit of Crane's-bill ........ 14 



17. A glass-topped box containing mounted fruits of Willow Herb . . 14 



18. Swallows collecting round a tower, near Redhill, before migrating . 15 



19. Barn Swallows returning in pairs and landing on the Isle of Wight . 19 



20. Apparatus for observing the Sun. ...... 20 



21. Part of the apparatus for observing the sun ..... 20 



22. A Window showing the method of recording the height of the Sun . . 21 



23. Diagram to show the position of the Sun on the longest and shortest days . 22 



24. Records of the position of a shadow on the floor .... 22 



25. The flower of a Dwarf Bean . ..... 23 



26. The flower of a Dwarf Bean from which the petals have been removed . 24 



27. The young seed pod of a Dwarf Bean ...... 24 



28. The shadow cast at noon by an erect rod ..... 25 



29. The shadow cast at noon by a tilted rod ..... 26 



30. A figure showing the connection between the angle made by the style 



of a sun-dial, and that representing the latitude of the place where it is 



used .... ..... 26 



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