Pruc. Roy. Socy. of Ed in.] 



[Vol. XXX. 



Fig. 35. — Loch Ken. View from the west side about IJ miles north of the viaduct, 

 looking east across the loch, showing gradual change from terrestrial to semi- 

 aquatic vegetation. In the foreground there are various grasses, with Juncus 

 effusus, then a wide zone of Eriophorum polystachion, beyond which are 

 associations of Carex rostrata, Menyanthes trifoliata, Heleocharis palustris, 

 etc., whilst out in tlie water a belt of Scirpus lacustris extends along the loch. 



Fig. 36. — Loch Ken. View along the west shore about a mile north of the 

 viaduct, looking towards the islands. The shore is here stony and almost 

 bare of vegetation. 



Mk George West. [Plate 18. — Ee/errcd to mi page 120. 



