BUFFALO SOCIETY OF NATURAL SCIENCES
169
The present outcrops of the Old Red sandstone in the British Isles are for the most part discontinuous and decidedly patchy. They fall roughly into five areas (see index map, fig. 16): (1) The Caithness-Orkney
 Fig. 16. Sketch Map of British Isles Showing Distribution of the Old Red Sandstone |
Islands region with a northward continuation into the Shetlands and a southward one into Sutherland and Rosshire, including the coastal strips on both sides of the Moray Firth; (2) The Forfar-
