xii The National Geographic Magazine Page Moscow workmen in one of the street markets 324 A characteristic Russian troika (three-horse carriage) before the old Petrofski palace in the northwest suburb of Moscow , 325 Siberian village of the Tartars, Nijni-Novgorod, Russia 326 Wheat for export at Russia's great southern seaport, Odessa 327 Country women tramping into Krief , Russia, with the morning supply of milk 328 Fig. 1. Three eggs embedded in gelatinous membrane in which they are laid 337 Fig. 2. Young angler taken out of the egg just previous to hatching 338 Fig. 3. Young angler not long after hatching. . - 338 Fig. 4. Young angler with 2 elongated dorsal rays, etc 338 Fig. 5. Young angler showing still greater increase in length 339 Fig. 6. Young angler in oldest pelagic stage 339 Fig. 7. Young angler of oldest pelagic stage, seen from above 339 Fig. 8. Young angler with most of the characteristics of adults 340 Fig. 9. The common angler 341 Diagram showing production of principal minerals. 343 Map showing value per square mile of minerals in United States 343 A vein in a 1,200-foot level, Daly-Judge mine, Park City, Utah 344 An electric coal-cutter 345 View near western end of Great Canyon Sandstone Quarry, Amherst, Ohio 346 Steam drill used in stone quarrying 347 Large granite column-cutting lathe at Vinalhaven, Maine 348 Porto Rico — molding bricks by hand 349 The Grand (Victoria) Falls. 350 View of falls seen through the jaws of the gorge 351 View looking into chasm from its eastern end 352 View of bend in canyon 353 The rich and evergreen forest fed by the mists from the falls , 334 Portrait of Mr William Ziegler 358 Mnp of the Philippine Islands (23 x 36 inches) Supplement Young Filipinos . . 367 Primary pupils in a municipal school, Manila , 368 Boys in the Normal High School, Manila 369 An exceedingly productive spruce forest in Bavaria. 376 Elephants used for dragging logs in the forests of Burma 379 Piling timber in the lumber yards of Burma 380 Piling timber in the lumber yards of Burma 381 A mixed forest in need of an improvement cutting 382 A mixed forest after an improvement cutting > 383 Conservative lumbering in the Adirondack Mountains, New York 384 Wasteful lumbering on the Pacific slope 385 Artesian well at Woonsocket, South Dakota 389 Artesian well at Lynch, Nebraska i 390 Pulpit Rock, Kansas 391 Big Badlands, South Dakota, east of Flour Trail 392 Greenhorn limestone in Benton group, near Thatcher, Colorado 393 Jail Rock 394 Archway eroded in Monument Creek sandstone, at " Elephant Rock," near Monument, Colorado 395 Cathedral spires, Garden of the Gods, Colorado 396