294 EARTH FEATURES AND THEIR MEANING 



H. HESS. Die Gletscher, Braunschweig, 1904, pp. 426 (illustrated). 

 WILLIAM H. HOBBS. Characteristics of Existing Glaciers. . Macmillan, 

 1911, pp. 301, pis. 34. 



Special districts of mountain glaciers : 

 JAMES D. FORBES. Travels Through the Alps of Savoy and other Parts 



of the Pennine Chain with Observations on the Phenomena of Glaciers. 



Edinburgh, 1845, pp. 456, pis. 9, maps 2. 

 A. PENCK, E. BRUCKNER, et L. DU PASQUIER. Le systeme glaciare des 



alpes, etc., Bull. Soc. Sc. Nat. Neuchatel, vol. 22, 1894, pp. 86. 

 E. RICHTER. Die Gletscher der Ostalpen. Stuttgart, 1888, pp. 306, 



7 maps. 

 JAMES D. FORBES. Norway and Its Glaciers, etc. Edinburgh, 1853, pp. 



349, pis. 10, map. 

 I. C. RUSSELL. Existing Glaciers of the United States, 5th Ann. Rept. 



U.S. Geol. Surv., 1885, pp. 307-355, pis. 32-55; Glaciers of Mt. 



Ranier, 18th Ann. Rept. U. S. Geol. Surv., 1898, pp. 349-423, pis. 



65-82. 

 W. H. SHERZER. Glaciers of the Canadian Rockies and Selkirks, Smith. 



Cont. to Knowl. No. 1692, Washington, 1907, pp. 135, pis. 42. 

 H. F. REID. Studies of Muir Glacier, Alaska, Nat. Geogr. Mag., vol. 4, 



1892, pp. 19-84, pis. 1-16. 

 I. C. RUSSELL. Malaspina Glacier, Jour. Geol., vol. 1, 1893, pp. 219- 



245. 

 G. K. GILBERT. Harriman Alaska Expedition, vol. 3, Glaciers, 1904, 



pp. 231, pis. 37. 



W. M. CON WAY. Climbing and Exploration in the Karakoram Hima- 

 layas, Maps and Scientific Reports, 1894, map sheets I-II. 

 FANNY BULLOCK WORKMAN and WILLIAM HUNTER WORKMAN. The His- 



par Glacier, Geogr. Jour., vol. 35, 1910, pp. 105-132, 7 pis. and map. 



The cycle of glaciation : 



WILLIAM H. HOBBS. The Cycle of Mountain Glaciation, Geogr. Jour., 

 vol. 36, 1910, pp. 146-163, 268-284. 



Upper and lower cloud zones of the atmosphere : 

 R. ASSMANN, A. BERSON, and H. GROSS. Wissenschaftliche Luftfahrten 



ausgefiihrt vom deutschen Verein zur Forderung der Luftschiffahrt 



in Berlin, 1899-1900, 3 vols. 

 E. GOLD and W. A. HARWOOD. The Present State of our Knowledge of 



the Upper Atmosphere as Obtained by the Use of Kites, Balloons, 



and Pilot-ballons, Rept. Brit. Assoc. Adv. Sci., 1909, pp. 1-55. 

 W. H. MOORE. Descriptive Meteorology, Appleton, New York, 1910, 



pp. 95-136. 

 WILLIAM H. HOBBS. The Pleistocene Glaciation of North America 



Viewed in the Light of our Knowledge of Existing Continental 



Glaciers, Bull. Am. Geogr. Soc., vol. 42, 1911, pp. 647-650. 



