Photo O. Gockay;

[Photo L. Cocleaynt.

a—l 3

No. 33. Fixed Dune, which had become Active through Damage by Sheep, getting naturally reclothed by Plants.

No. 31. Rock cut by Wind-borne Sand. Reef Point, North-west Auckland.

Photo L. Cockayne.

No. 32. A Close Growth of Marram-grass in process of Destruction by a very active Sand-Drift.