86 HARRY FIELDING REID 



latter was based on surveys made by Reid in 1892, with additions 

 taken from the surveys of the United States Coast and Geodetic 

 Survey and of the Canadian Boundary Commission between 1884 

 and 1895. At the first glance one is struck by the smaller area 

 covered by the ice, and the correspondingly greater area of bare 

 rock; for instance, the ridge between Casement and McBride 

 glaciers was broken in the earlier map by many arms of ice con- 

 necting the two glaciers; the later map shows this ridge as 

 continuous and much broadened. Similar changes are noted in 

 other parts of the map. This indicates not merely the melting 

 of small connecting arms of ice, but also a general lowering of 

 the whole surface of the ice. Dying Glacier at the head of Tidal 

 Inlet has entirely disappeared, and Dirt Glacier, immediately east 

 of Muir Inlet, is not represented on the later map. I am inclined 

 to think that this glacier has not completely melted, but that its 

 very thick covering of moraine has masked its character. Large 

 areas of rock are free of the ice which covered them in 1892. 



The ends of the tide-water glaciers have receded greatly (as 

 noted in earlier reports of this series) and allowed the inlets to 

 penetrate farther into the land. 



The end of Muir Glacier has receded and divided into two 

 parts, separated by the rocky island which appeared as two dis- 

 tinct nunataks in 1892 about 3 miles from the ice-front. To the 

 north the glacier has receded 8 . 5 miles. The ice surrounds the 

 water on three sides; bergs are discharged most actively at the 

 northern end of the inlet. To the east the glacier has receded 

 3 miles and ends in a sloping surface just reaching the water. 

 (Since 1907 this portion has receded still farther and now rests 

 on a sandy beach, where it is forming a terminal moraine 

 Dunann.) 



The total increase in the area of the inlet between 1892 and 

 1907 was 19 square miles. 



Carroll Glacier does not seem to have receded, but the Rendu 

 has retreated about half a mile. Grand Pacific Glacier has receded 

 7f miles, almost as much as the Muir, and its inlet has increased 

 by 14 square miles. Johns Hopkins has receded 3 miles, increasing 

 its inlet by 5! square miles, and separating from one of its southern 



