A native hunter with a red howling monkey 116 The porters en route to the Paramillo 124 Cuña Indians at Dabeiba 124 Our camp on the Paramillo 126 Dabeiba on the Rio Sucio 130 The village of Maipures 156 The _Hilo de Oro_ at the end of the voyage 156 A rubber-camp on the Upper Orinoco 170 Unloading for the portage, Raudal del Muerto 172 The Cerro Duida 172 Wismar on the Demerara River 182 Tumatumari on the Potaro River 182 Camp on the Rio Negro in the Gran Chaco of the Paraguay 200 Selling oranges in the market at Asuncion 200 A street in Buenos Aires 204 Porto Gallileo on the Rio Pilcomayo 204 Fort of Coimbra on the Rio Paraguay 206 S. S. _Nyoac_ on the Paraguay River 214 Corumbá 214 Colonel Roosevelt in the Brazilian _chapadão_ 226 A camp in the _chapadão_ 226 The Falls of Salto Bello of the Rio Papagayo 230 Camp on the Rio da Duvida 242 A rubber-camp on the Rio Gy-Paraná 254 A rubber-camp on the Lower Gy-Paraná 254 Country around Arequipa, showing Mount Misti 268 The expedition en route via hand-car, Changollo to Arce 268 An Indian hut in the Yungas of Cochabamba 288 The expedition in the Cuchicancha Pass 292 Vampire-bat from Todos Santos 300 Tamanduá ant-eater 300 Yuracarés chewing yucca-roots for making casire 306 Yuracaré women and children 306 The great _Puya_, a species of pine growing in the Bolivian Andes at an elevation of 13,000 feet 324 The plaza at Mizque 326 Vermejo on the Santa Cruz trail 338 Quechua habitation on the upland desert 346 Rio Cachimayo at Peras Pampa, Sucre 352 Bridge across the Rio Pilcomayo 352