Fig. 105. — View at the rear of the Cnlbin sand-hills, looking towards the sea. 
Ammophila arundinacea encroaching up the great sand-dune in the distance. 
Proc Roy. Socy. of Edin.\ 
[Vol. XXV. 
Fig. 106. — View at the rear of the Culbin sand-hills outside the belt of pine forest. 
Some of the foremost pines are partially engulfed in sand. In the foreground 
are numerous low dome shaped tussocks of Calluna vulgaris encroaching upon 
the sand-dune over the domain of Ammophila, dense masses of which cap the 
top of the dune. 
Mr George West. 
[Plate 53 . — Referred to on page 1020. 
