| FIG. | ||
|---|---|---|
| 1. | An Oyster Habitat on the South Carolina Coast | Frontispiece |
| 2. | Struggle for Existence on a Clam Flat. Overcrowded Condition | facing page 7 |
| 3. | Struggle for Existence on a Clam Flat. Destruction of Clams by Predaceous Animals | ” ” 8 |
| 4. | A Small Mountain Stream as an Animal Environment | ” ” 86 |
| 5. | A Small River as an Animal Environment | ” ” 87 |
| 6. | An Illinois Prairie Remnant as an Animal Environment | ” ” 139 |
| 7. | An Illinois Deciduous Forest as an Animal Environment | ” ” 146 |