314 HARRY FIELDING REID 



but has become slightly thicker in the upper part. The glaciers 

 of the Stubai' group, which, in general, have been retreating since 

 1 89 1, are now retreating much more slowly; and one of them, the 

 Sulzenauferner, has advanced 6.5 m . In the Zillerthal the Rain- 

 bachkees has retreated 4.4 111 . - Six glaciers of the Venediger group 

 'are retreating quite rapidly and three are about stationary. The 

 glaciers of the Glockner are all retreating. Two glaciers of the 

 Ankogel group, the Hochalmkees and the Kleinelandkees, are 

 retreating at the rate of 7 or 8 m per year. The Grosselendkees, on 

 the other hand, lying between the other two, has advanced over 2 m . 



Italian Alps. — Two secondary glaciers of the Marmarole group 

 are retreating. The other glaciers of the Venetian Alps are retreating 

 slightly or are stationary. All the snow-fields of the Cavallo have- 

 increased considerably in size, whereas those of the western slope 

 of the Zoldo have diminished very much since 1888. The glaciers 

 of the Graian and Pennine Alps, in general, have retreated slightly. 

 There seem to be marked increases in the accumulation of snow in the 

 reservoirs of the Brenva glacier and of the glaciers on the Grivola and 

 Grand-Paradis. A discussion of all the observations at hand regard- 

 ing the glaciers of Valnontey has shown indirectly, but rather strik- 

 ingly, the slight advance of 1891 which, unfortunately, was not 

 actually measured. 1 



French Alps. — The second report of the French Commission on 

 Glaciers, published in 1903, contains a detailed account of many 

 glaciers and a very comprehensive review of glaciology. 2 



A number of glaciers of Mount Pelvoux advanced slightly in 

 1890-91, but have retreated ever since; and many of the smaller 

 glaciers have diminished so much in size as to indicate that they 

 may disappear altogether. The glaciers of the Grandes-Rousses 

 have been retreating for the last thirty years, with a slight interruption 

 for some of them about 1890. The glaciers of the Maurienne and 

 of the Tarentaise have shown changes in opposite directions, but for 

 the great majority the retreat has continued, with a tendency toward 

 a slower retreat for the larger glaciers. It is rather interesting to 

 note that the largest glaciers have retreated the least. A comparison 



1 Reports of Professors Porro, Marinelli, and Marson. 

 = By M. Charles Rabot. 



