Illustrations

“Something Hidden.  Go and find it.  Go and look behind the Ranges”
Frontispiece
Sketch Map of Southern Peru 1
Mt.  Coropuna from the Northwest 12
Mt.  Coropuna from the South 24
The Base Camp, Coropuna, at 17,300 Feet 32
        Photograph by H. L. Tucker
Camping at 18,450 Feet on the Slopes of Coropuna 32
        Photograph by H. L. Tucker
One of the Frequent Rests in the Ascent of Coropuna 42
        Photograph by H. L. Tucker
The Camp on the Summit 42
        Photograph by H. L. Tucker
The Sub-Prefect of Cotahuasi, his Military Aide, and Messrs. Tucker,
Hendriksen, Bowman, and Bingham inspecting the Local Rug-weaving
Industry 60
        Photograph by C. Watkins
Inca Storehouses at Chichipampa, near Colta 66
        Photograph by H. L. Tucker
Flamingoes on Lake Parinacochas, and Mt.  Sarasara 78
Mr. Tucker on a Mountain Trail near Caraveli 90
The Main Street of Chuquibamba 90
        Photograph by H. L. Tucker
A Lake Titicaca Balsa at Puno 98
A Step-topped Niche on the Island of Koati 98
Indian Alcaldes at Santa Rosa 114
Native Druggists in the Plaza of Sicuani 114
Laying Down the Warp for a Blanket; near the Pass of La Raya 120
Plowing a Potato-field at La Raya 120
The Ruins of the Temple of Viracocha at Racche 128
Route Map of the Peruvian Expedition of 1912 132
Lucre Basin, Lake Muyna, and the City Wall of Piquillacta 136
Sacsahuaman:  Detail of Lower Terrace Wall 140
Ruins of the Aqueduct of Rumiccolca 140
Huatanay Valley, Cuzco, and the Ayahuaycco Quebrada 150
Map of Peru and View of Cuzco 158
        From the “Speculum Orbis Terrarum,” Antwerp, 1578
Towers of Jesuit Church with Cloisters and Tennis Court of University,
Cuzco 162
Glaciers Between Cuzco and Uiticos 170
The Urubamba Canyon:  A Reason for the Safety of the Incas in
Uilcapampa 176
Yucay, Last Home of Sayri Tupac 186
Part of the Nuremberg Map of 1599, showing Pincos and the Andes
Mountains 198
Route Map of the Peruvian Expedition of 1915 202
Mt.  Veronica and Salapunco, the Gateway to Uilcapampa 206
Grosvenor Glacier and Mt.  Salcantay 210
The Road between Maquina and Mandor Pampa, near Machu Picchu 214
Huadquina 220
Ruins of Yurak Rumi near Huadquina 225
        Plan and elevations drawn by A. H. Bumstead
Pucyura and the Hill of Rosaspata in the Vilcabamba Valley 238
Principal Doorway of the Long Palace at Rosaspata 242
        Photograph by E. C. Erdis
Another Doorway in the Ruins of Rosaspata 242
Northeast Face of Yurak Rumi 246
Plan of the Ruins of the Temple of the Sun at Nusta Isppana 248
        Drawn by R. H. Bumstead
Carved Seats and Platforms of Nusta Isppana 250
Two of the Seven Seats near the Spring under the Great White Rock 250
        Photograph by A. H. Bumstead