To H. E. Lauro Müller Secretary of Foreign Affairs for Brazil, and to His Governmental Colleagues and to Colonel Rondon Gallant Officer, High-Minded Gentleman, and Intrepid Explorer and to his assista...

This is an account of a zoo-geographic reconnaissance through the Brazilian hinterland. The official and proper title of the expedition is that given it by the Brazilian Government: Expedição Scientif...

One day in 1908, when my presidential term was coming to a close, Father Zahm, a priest whom I knew, came in to call on me. Father Zahm and I had been cronies for some time, because we were both of us...

On the afternoon of December 9 we left the attractive and picturesque city of Asuncion to ascend the Paraguay. With generous courtesy the Paraguayan Government had put at my disposal the gunboat-yacht...

The morning after our arrival at Corumbá I asked Colonel Rondon to inspect our outfit; for his experience of what is necessary in tropical travelling has been gained through a quarter of a century of ...

At Corumbá our entire party, and all their belongings, came aboard our good little river boat, the Nyoac. Christmas Day saw us making our way steadily upstream against the strong current, and between ...

After leaving Cáceres we went up the Sepotuba, which in the local Indian dialect means River of Tapirs. This river is only navigable for boats of size when the water is high. It is a swift, fairly cle...

We were now in the land of the bloodsucking bats, the vampire bats that suck the blood of living creatures, clinging to or hovering against the shoulder of a horse or cow, or the hand or foot of a sle...

From this point we were to enter a still wilder region, the land of the naked Nhambiquaras. On February 3 the weather cleared and we started with the mule-train and two oxcarts. Fiala and Lieutenant L...

On February 27, 1914, shortly after midday, we started down the River of Doubt into the unknown. We were quite uncertain whether after a week we should find ourselves in the Gy-Paraná, or after six we...

The mightiest river in the world is the Amazon. It runs from west to east, from the sunset to the sunrise, from the Andes to the Atlantic. The main stream flows almost along the equator, while the bas...

Our adventures and our troubles were alike over. We now experienced the incalculable contrast between descending a known and travelled river, and one that is utterly unknown. After four days we hired ...

Portions of South America are now entering on a career of great social and industrial development. Much remains to be known, so far as the outside world is concerned, of the social and industrial cond...

South America includes so many different kinds of country that it is impossible to devise a scheme of equipment which shall suit all. A hunting-trip in the pantanals, in the swamp country of the upper...

The first report on the expedition, made by me immediately after my arrival at Manaos, and published in Rio de Janeiro upon its receipt, is as follows: May 1st, 1914. To His Excellency the Minister of...

Pronounced “sairtown,” as nearly as, with our preposterous methods of spelling and pronunciation, I can render it. ↩ The first four days, before we struck the upper rapids, and during which we made ne...