608 Scientific Intelligence. 



4. South Dakota Geological Survey; Ellwood C. Perisho, 

 State Geologist. Bulletin Number Six, 1914. Report on the 

 Biology of Harding County, Northwestern South Dakota, by S. S. 

 Visher ; and Report of the State Geologist for 1913-1914. Pp. 

 127; pis. VI. Pierre, S. D., 1914.— With the very inadequate 

 funds at his disposal, the Director of the South Dakota Survey has 

 been able to accomplish little along the lines of geological research. 

 Biological surveys have, however, prospered, and a large collec- 

 tion of plants and animals from the state has been installed in the 

 State Museum, and described in a series of preliminary reports. 

 Bulletin No. 6 is devoted to an ecologic study of the interesting 

 steppe country of Harding County. h. e. g. 



5. Report of the State Geologist on the Mineral Industries 

 and Geology of Vermont, 1913-1914, George H. Perkins. 

 Pp. 448 ; pis. I-LXXVIII, 41 figures. Burlington, 1914. The 

 1913—14 Report of the State Geologist of Vermont contains the 

 results of an exhaustive study of the marbles and marble 

 industry of the state, including a paper by Dr. Dale, also pub- 

 lished as Bulletin 521 of the United States Geological Survey. 

 Areal studies under the direction of Professor Richardson were 

 continued in the towns of Greenboro, Hardwick, Woodbury, and 

 Bennington. Professor Jacobs contributes a carefully prepared 

 article on talc and the talc deposits of Vermont. h. e. g. 



6. Les Variations Periodiques des Glaciers, AYAT me Rapport, 

 19 IS • redige par Axel Hamberg et Paul-L. Mercanton. 

 From the Annales de Glaciologie, vol. ix, December, 1914, pp. 

 42-65. Leipzig. — Of 61 glaciers in the Swiss Alps measured 

 during the year 1913, 26 certainly, 10 probably, have decreased 

 in length ; 10 glaciers have probably grown longer, and the 

 Grindelwald Glaciers have maintained the advance begun in 

 1907, interrupted only during the dry year of 1911. For the 

 eastern Alps 8 out of 37 glaciers studied in 1913 have ad- 

 vanced ; 4 remained stationary ; and 25 continued to retreat. 

 Professor Brtickner states that the increase in the number of 

 advancing glaciers is unquestioned. In the Italian Alps the re- 

 treat of the larger glaciers has been maintained, while the smaller 

 ones show considerable fluctuation in response to varying snow- 

 fall. The list of 39 Norwegian glaciers furnished by Professor 

 Oyen includes 9 ice tongues which have increased in length during 

 1913. The glaciers in the Caucasus are in general retreat. The 

 Alaskan glaciers during 1912 and 1913 exhibited considerable 

 activity. At Yakutat Bay, Hidden, Nunatak, Hubbard, and 

 Turner glaciers retreated ; the cascading glaciers adjacent to 

 Nunatak advanced 328 feet between 1910 and 1913. The gla- 

 ciers of Mount St. Elias and those of Copper River Canyon are 

 in retreat ; a glacier at the head of Snug Harbor seems to have 

 advanced between 1904 and 1911. The glaciers entering the fiord 

 of Glacier Bay were studied by Lawrence Martin in 1913. The 

 Grand Pacific, which had retreated 7545 feet between June 1 

 and August 1, 1912, had advanced 3937 feet by September 9, 1913. 



