ESOPOTAMIA AND PERSIA

XXXIX. Renewed Attempt To Relieve Kut-el-Amara 307

XL. The Surrender of Kut-el-Amara 318

XLI. Spring and Summer Trench War on the Tigris 326

XLII. Russian Advance Toward Bagdad 330

XLIII. Turkish Offensive and Russian Counteroffensive in
Armenia and Persia 335

PART VIII.--OPERATIONS ON THE WESTERN FRONT

XLIV. Renewal of the Battle of Verdun 340

XLV. The Struggle for Vaux Fort and Village--Battle of
Mort Homme 348

XLVI. Battle of Hill 304 and Douaumont--The Struggle at
Fleury 361

XLVII. Spring Operations in Other Sectors 371

XLVIII. Battle of the Somme--Allied Preparations--Position
of the Opposing Forces 377

XLIX. The British Attack 382

L. The French Attacks North and South of the Somme 387

LI. The British Attack (Continued) 392

LII. The Second Phase of the Battle of the Somme 401

PART IX.--THE WAR IN THE AIR

LIII. The Value of Zeppelins in Long-Distance
Reconnoitering--Naval Auxiliaries 412

LIV. Aeroplane Improvements--Giant Machines--Technical
Developments 418

LV. Losses and Casualties in Aerial Warfare--Discrepancies
in Official Reports--"Driven Down" and "Destroyed" 424

LVI. Aerial Combats and Raids 427

PART X.--THE UNITED STATES AND THE BELLIGERENTS

LVII. War Cloud in Congress 433

LVIII. The President Upheld in Armed-Merchantmen Issue--Final
Crisis With Germany 439

LIX. The American Ultimatum--Germany Yields 449

TWO YEARS OF THE WAR. _By Frank H. Simonds_

The German Problem 461
The Belgian Phase 463
The French Offensive