1. Abstract lines.

2. Forms of Earth (Crystals).

3. Forms of Water (Waves).

4. Forms of Fire (Flames and Rays).

5. Forms of Air (Clouds).

6. (Organic forms.) Shells.

7. Fish.

8. Reptiles and insects.

9. Vegetation (A.) Stems and Trunks.

10. Vegetation (B.) Foliage.