INDEX 



469 



cap surface suitable for landing of 

 planes, 385 (ill.), 386; magnetic rec- 

 ords, 54; migration routes, 181; 

 Northmen and plant introduction, 

 143, 144; northwest coast, 57 



Greenland Sea, 18, 129, 131 



Ground ice, 85; Arctic Eurasia, 88 



Growlers, 112, 114, 116 



Gulf Stream, 11, 272; East Greenland 

 Current and, 132 



Gull, skua, 371 



Giinther, Siegmund, 122 



Gyroscope in air navigation, 450 



Haacke, Wilhelm, 156 



Halle, T. G., 348 



Halobaena, 373 



Hangars for airplanes, 400 



Hann, Julius von, "Lehrbuch," 46 



Harmsworth, Sir Alfred, 432 



Harris, R. A., 22; "Arctic Tides," 8, 

 19; cotidal map of the Arctic seas, 

 18, 20 (ill.); land hypothesis in North 

 Polar Sea, 8, 17 



Harrison, L., 358 



Harshberger, J. W., 144, 146, 148; 

 biogr. and bibliogr. note, 142; Un- 

 solved problems in Arctic plant 

 geography, 143-153 



Hartert, Ernest, 164 



Hassocks. See Tussock vegetation 



Hay, O. P., 68 



Hazard, D. L., 54 



Hazen, H. A., 46 



Heaped-up ice, fields of, 134 



Heat absorption and radiation, 29 



Hedenstrom's explorations, 138 



Heer, Oswald, 67 



Heintze, A., 363 



Helland-Hansen, Bjorn, 35 



Henrietta Island, 4 



Henshaw, H. W., 145 



Hepatics, 344 



Hepworth, M. W. C, 291 



Herald Island, 129, 130, 241 



Herjolfsnes, 143 



Hessen, K., 276, 279 



Hinks, A. R., 446 



Hinton, M. A. C, 158, 379 



Hobbs, W. H., 122, 262, 290; air ob- 

 servations in Greenland, 32; Ant- 

 arctic "broom," 292 



Hoel, A., 387 



Hogbom, Bertil, 149 



Holes in sea ice, 117 



Hollows in snow, 339 



Holm, Theodor, 145, 147, 151 



Holsteinsborg, 439 



Holtedahl, Olaf, 64, 387 



Hope, 432, 433 



Hope Bay, 323 



Horn Bluff, 318 



Houses of native tribes, 196 



Hovgaard, William, 143, 144 



Hrdlicka, Ales, 170 



Hudson Bay, east coast ethnological 



problem, 174 

 Hummocking and hummocks of ice, 



98, loi, no, 113 (ills.), 115, 116, 



121, 126, 135 

 Humpback whales, 378 

 Humphreys, W. J., 32 

 Hunter, J. de G., 279 

 Hunting, 194, 201 

 Hveit, 143 



Hydrurga leptonyx, 376 

 Hylmo, D. E., 347 

 Hysteria, 192 



Ice, 91; Antarctic, 281 ; Antarctic prob- 

 lems, 331; Antarctic thickness, 261- 

 262; depth-finding methods, 337; 

 descriptive terms for all types, 116; 

 genetic classification of sea ice, 91, 

 105, 106 (diagr.); heaped-up, 125; 

 heaped-up fields, 134; many-years- 

 old, 125, 135; one-year-old, 125; 

 paleocrystic, 120, 134; pressure, solar 

 radiation, and ice, interrelation, 33; 

 sounding depths of, 262; stifling of 

 animal life under sea, question of, 

 216; travel on, 419; types, 335; 

 varying conditions for navigation 

 from year to year, 435. See also Sea ice 



Ice Age, Arctic America, 68, 69; Arctic 

 Eurasia, 84; Arctic Eurasia, need of 

 study of marks, 87; Arctic plant 

 survival during, 146 



Ice ages, paleontological significance, 334 



Ice blink, 117 



Ice-breakers, 341 



Ice caps, Antarctic cap, profile, 261; 

 surviving, 69 



Ice drifts in North Polar Sea, 9 



Ice erosion, 335; small-scale, 339 



Ice fields, 109, in (ill.), 115; divisions 

 of, 112; old field with moutonnee 

 surface (ill.), 115 



Ice floes, 109, III (ill.), 115; divisions 

 of, 112 



Ice foot, 109, 115 



Ice-melted water, 276 



Ice navigation, 427; ice movements in 

 Baffin Bay and Labrador waters, 438; 

 polar ships and their construction, 

 427; ships caught in the ice, 430; 

 training grounds for, 430; varying 

 conditions from year to year, 435; 

 with Peary, 432; wooden ships versus 

 steel, 436 



