In addition to the maps showing the depths of the 

 lochs, the following maps are included in Vol. III. : 



Plate I. Head-waters of the Forth Orography and drainage areas. 



Plate II. ., Surface geology. 



Plate III. Mean annual rainfall. 



Plate XIV. Temperature Section of Loch Ericht. 



Plate XXXIV. Head- waters of the Tay Surface geology. 



Plate XLI1. Assynt District Surface geology. 



Plate LI. Loch Maree District Surface geology. 



