V

PLATE 1. Bekkai soil: Thaptic Udivitrand (see Page 13)

PLATE 2. Sitka soil: Andic Placocryod (see page 17), courtesy of C.L. Ping

PLATE 3. Lanco soil: Typic Durudand (see page 20)

PLATE 4. Tohoku University Farm soil: Alic Pachic Melanudand (see page 24)

VII

PLATE 5. Tsutanuma soil: Acrudoxic Fulvudand (see pages 27 and 46)

PLATE 6. Vegetation of Tsutanuma soil: F u p s crenata (see pages 27 and 46)

PLATE 7. Yunodai soil: Acrudoxic Melanludand (see pages 27, 46 and 260)

PLATE 8. Vegetation of Yunodai soil: Miscunt- hus sinensis (see pages 27, 46 and 260)

IX

PLATE 9. Hilo soil: Acrudoxic Hydrudand (see page 31), courtesy of H. Ikawa

PLATE 10. Tsukuba soil: Hydric Hapludand (see page 253)

PLATE 11. Findley Lake soil: Andic Humicryod (see pages 64 and 256)

PLATE 12. Abashiri soil: Typic Hapludand (see pages 66 and 258)