XI 



THE NATIONAL GEOGRAPHIC MAGAZINE 



Page 



Ice and atmosphere, Water's allies 513 



Ice as a land ally: Nature's warfare 521 



Illiterates in United States: Chart showing in- 

 crease and decrease, ill "... .,. 35° 



Immigrant, Educating the, ill 351. 35ift, 353 



Immigrant illiterates in the United States: Chart 



showing increase, ill 350 



India, Conquest of: Germany's dream 567 



Industrial conditions in Germany 340 



Industries, Socotran 278 



Industry, Smuggling is an: Andorra Republic. 



By Herbert Corey 279 



Infantry and spotting planes 19 



Inferno, The modern: Valley of Ten Thousand 



Smokes, Alaska 150 



Ingram: Destroyer named for chief gunner's 



mate 321& 



Ingram, Osmun K.: Tribute to his bravery 321b 



Inoculation tests: Soldier volunteers 510 



Insect powder used by soldiers at the front 508 



Insects, Dead: Katmai Valley, Alaska 129 



Insects : Trench pests 495 



Insignia, Airplane, ill '36, 45, 62, 99, 57°. 577 



Insignia, Red Cross: Adopted in Geneva, 1864.. 386 

 Instruction, Many special courses of: Air army. 8c 



International law, The navy studies 314 



Interpretation of aerial photographs 15 



Intrigue set afoot, Vast: German leaders 551 



Inventions to Japan, Taking western 327 



Investments in Liberty Loans: National Geo- 

 graphic Society 37* 



ISLE OF FRANKINCENSE, THE. BY 



CHARLES K. MOSER 267 



Italian aces, Record of 57§ 



Italian airplanes, ill 39. 41-44. 46 



Italian children refugees at Palermo: Drinking 



soup, ill 346 



Italian hangars, ill 4*. 4^ 



ITALIAN RACE, THE — AN APPRECIA- 

 TION. BY THE EDITOR 47 



Italy, Chart showing deaths by fighting and fam- 

 ine, ill 337 



Italy, Rome; Red Cross supplies, ill 376,387 



Italy, Solferino: Birthplace of the Red Cross 



spirit « 383 



ITALY'S EAGLES OF COMBAT AND DE- 

 FENSE: HEROIC ACHIEVEMENTS OF 

 AVIATORS ABOVE THE ADRIATIC, THE 

 APENNINES, AND THE ALPS. BY KIND- 

 NESS OF GENERAL P. TOZZI, CHIEF 

 OF THE ITALIAN MILITARY MISSION.. 38 

 Italy, Under three flags in, ill 3^7 



"J" 



Jackh, Ernst : Quotation 



Japan, Taking western inventions to 



Jennings self-recording color-sense tester 



Jerusalem, British airplane over, ill 



Johns Hopkins University, Rat specimens from, 



ill ; 357-36o, 



Jonas, Lucien: French drawings, ill 355 



Jones, E. W.: Originator of the boys' pig-club 



movement 



Juab, Utah: Old shale distillery, ill 



Judgstaffel No. II: German air squadron 



Jumping mouse text, 394! M- (colored), 



Junior Auxiliary of the Red Cross 



"Just in": Soldiers from the trenches 



"K" 



563 



327 

 82 

 30 



363 

 355& 



171 

 200 



574 

 412 

 390 

 300 



Kaibab squirrel ill. (colored), 448; text, 462 



Kaiser's worship of ruthless conquerors 561 



Kangaroo rat text, 400; ill. (colored), 416^ 



Kangaroo rat, Hand-fed, ill 373* 



Katmai, Ascent of: Alaska 162 



Katmai Canyon, Climbing out of: Alaska, ill.... 163 

 Katmai crater, compared with Kilauea, Hawaiian 



Islands ill., 167; text, 168 



Katmai District of Alaska, The Valley of Ten 



Thousand Smokes. By Robert F. Griggs 115 



Katmai Pass, Alaska, ill 118, 140, 158 



Katmai, the greatest active crater in the world: 



Alaska , l6 8 



Kazan, Russia : Volga port 262 



Page 



168 



565 



184 



552 



499 



272 



230 



207 



384 



35 



85 



21 



227 



323 



152 



Kilauea crater dimensions compared with Katmai 



volcano ill., 167; text, 



Kirchhoff, Hermann: Quotation 



Kiss, A pig's, ill 



Kiss: Baby kissing soldier father good-bye, ill... 



Kitchen, American rolling: War zone, ill 



Kitchen, Arabian: Aden, ill 



Kitchen battery: Portable ranges, ill 



Kitchen diplomacy entered, Where 



Kitchen, Red Cross canteen: Paris, ill 



Kite balloon, ill 



Kite balloon on observation duty, ill 



Kite balloons, Destroying German -. 



Knights of Columbus in camp 



Knights of Geography 



Kodiak bear, In the path of the, ill. 



"L" 



L-45, Tangled remains of the: France, ill 14 



Laboratory specimens, rats: Johns Hopkins Uni- 

 versity, ill 357-36o, 363 



Labor-saving devices lacking in Russia 262 



"Labor, Why not import American": France.... 218 



Lafayette Escadrille 5, 568 



Lafayette Escadrille, Quartered with heroes of 



the 98 



La Garde, Paul de: Quotation 563 



Lagoon and boat-house 1 Great Lakes Training 



Station, ill 64 



La Gorce. John Oliver: A Battle-Ground of Na- 

 ture : 1 he Atlantic Seaboard 511 



Lake, Fissure: Katmai Valley, Alaska, .text, 139,340; 



ill., 146 

 Land assumes the offensive, When the: Nature's 



warfare 523 



Landing field, Aviator's, ill 112 



Lane, Franklin K., Secretary of the Interior: 



What Is It to Be an American ? 348 



Lange, Friedrich: Quotation 563 



Langley airway, The proposed 113 



Language: Socotra 277 



Lansing, Robert, Secretary of State: Prussianism 546 



Large weasels, or stoats ill. (colored), 452; 



text, 469 

 Laundry work done without waiting: Bluejacket, 



ill 326 



Laureati, Captain: Italian airman 47 



Lava plug of Novarupta, Katmai Valley, Alaska, 



ill., 138; text, 145 



Law, Food, enacted 1917: Effect, ill 345 



Law, Ruth: American aviatrix, ill in 



Law, The Navy studies international 314 



Law vindicated, Selective draft 244 



Leadership could accomplish in Russia, What... 253 



Least weasel ill. (colored), 452; text, 471 



Legend of the Sirens of Socotra 269 



Lemming, Banded text, 401; ill. (colored), 417 



Lemming, Brown. ..'... .text, 402; ill. (colored), 417 



Lentils grown in Socotra 269 



Les Escaldes, Andorra Republic, ill 291 



Lethe, River: Katmai Valley, Alaska text, 140; 



ill., 141 

 Letters from Stuart Walcott. An American Air- 

 man in France 86 



Leutwein, Paul : Quotation 565 



Liberia location chosen by Commodore Perry... 326 



Liberty and her defenders: Battleships, ill 325ft 



Liberty Loans, Investments in: National Geo- 

 graphic Society 372 



Liberty theatre in camp 227 



Library in a battleship, ill 327ft 



Life-boat, Parachute is the balloonist's, ill 32 



Life of an airplane engine only 100 hours 61 



Life-savers: U. S. coast guards 541, 545 



Life-saving boat and crew, ill 540 



LIFE STORY OF AN AMERICAN AIRMAN 

 IN FRANCE: EXTRACTS FROM THE LET- 

 TERS OF STUART WALCOTT, WHO, BE- 

 TWEEN JULY AND DECEMBER, 1917, 

 LEARNED TO FLY IN FRENCH SCHOOLS 

 OF AVIATION, WON FAME AT THE 

 FRONT, AND FELL NEAR SAINT SOUP- 

 LET 86 



Life story of a pig-club pig 177 



Life story of the louse family 501 



Lighthouses: Atlantic seaboard, ill 516, 523 



Lighthouses, U. S. . ." 53& 



