814 MR D. FERGUSON ON 



Plate LXXXVII. 



Fig. 1. Moraine Flat, glacier, rock strata, and loch, Cumberland Bay. 



Fig. 2. Moraine Fiord, Mount Paget, rock strata and glaciers, Cumberland Bay. 



Plate LXXXVIII. 



Fig. 1. Cape George and folded rock strata. 



Fig. 2. Cape George Harbour, folded rock strata and cirque. 



Plate LXXXIX. 



Fig. 1. Coast-line, Cape George to Royal Bay. 



Fig. 2. Moltke Harbour, Royal Bay, cirque, glacier, and penguin rookery. 



Plate XC. 



Fig. 1. Royal Bay, Weddell Glacier and cirque. 



Fig. 2. Port Gladstone, rock strata, 1633 feet to crest, and whaling factory steamer. 



Plate XCI. 



Fig. 1. Port Gladstone, folded rock strata and cirque. 



Fig. 2. Adventure Harbour, looking across neck to Elsie Harbour. 



APPENDIX. 



The Physiography of South Georgia as shown by Mr Ferguson's Photographs. 

 By Professor J. W. Gregory, D.Sc, F.R.S. 



Mr Ferguson's photographs of the northern coast of South Georgia illustrate 

 clearly the chief features in the physiography of the island. They show that it is a 

 mountainous country with a very rugged and young topography. The mountains 

 often come close to the shore, and project in bold headlands, between which the main 

 valleys have been cut down to base level. The country consists of stratified rocks, 

 which have a moderate dip, and in the photographs is usually less than 45° 

 (PI. LXXXIII, fig. 1 ; PL LXXXVII, figs. 1 and 2). The beds are often crumpled and 

 contorted (PI. LXXXV, fig. 2), and are sometimes vertical (PI. XCI, fig. l). The 

 photograph of Leith Harbour (PI. LXXXIII, fig. l) suggests that the rocks occur in a 

 regular conformable series ; but the photograph of Port Gladstone (PI. XCI, fig. l) 

 shows the lower beds of the Lower Cumberland Bay Series with an almost vertical 

 dip, covered unconformably by the less inclined beds belonging to the Middle 

 Cumberland Bay Series. 



The photographs also show that the country has been intensely dissected, and 

 the mountains often occur as isolated pyramidal peaks, as at Port Gladstone 

 (PL XC, fig. 2) or Cape George (PL LXXXVIII, fig. l) ; but in places, as in the view 

 of the central range from Stromness Bay (PL LXXXV, fig. l), the peaks rise to one 



