INCIDENTS OF A RIDE OVER THE ANDES.--CONTRACT WITH THE ARRIERO.--PASSES BETWEEN CHILI AND THE ARGENTINE REPUBLIC.-- NIGHT SCENES.--DANGERS OF THE ROAD.--A PERILOUS POSITION.-- USPALLATA.--AT THE CREST OF THE ANDES. 453 CHAPTER XXVIII. DOWN THE WESTERN SLOPE OF THE ANDES.--A LONG IMPRISONMENT IN THE SNOW.--"THE SOLDIER'S LEAP."--SANTA ROSA.--SANTIAGO.-- ARRIVAL AT VALPARAISO. 469 CHAPTER XXIX. STRAIT OF MAGELLAN.--FALKLAND ISLANDS.--A PENGUIN CITY.--SANDY POINT.--HUNTING THE OSTRICH AND GUANACO.--PATAGONIAN GIANTS. 485 CHAPTER XXX. MUTINY AT SANDY POINT.--TIERRA DEL FUEGO.--MISSIONARY ENTERPRISES THERE.--CAPTAIN GARDINER.--CRUISE OF THE "WATEREE."--SIDE-WHEEL DUCKS.--UP THE PACIFIC COAST.--THE MEETING AT VALPARAISO.--THE END. 498 ILLUSTRATIONS. At the Foot of the Andes _Frontispiece._ On the Sea Again 13 The Fog Clearing away 14 Sandy Hook Light-ship 15 A Stranded Ship 17 Weighing Baggage 18 The Shipworm and his Work 19 The Donkey's Descent 21 The Wharf at Aspinwall 22 Departure for Panama 23 Native Market, Aspinwall 25 Preparing for a Boat Excursion 26 Balboa taking Possession of the Pacific 28 The Isthmus of Darien 29 Rescue of the Survivors of Strain's Expedition 30 Strain's Arrival at the Coast 31 View on the Chagres River 32 Beach near Aspinwall 34 In the Rainy Season 35 A Hand-car Journey on the Panama Railway 36 Surveying under Difficulties 37 Native Village on the Isthmus 38 Native Idea of the Locomotive 39 The Espiritu Santo Flower 40 Gatun Station 41 A Tropical Harbor 42 Map of the Panama Railway 43 Crossing the Isthmus in 1849 45