The Roosevelt-Rondon Scientific-Expedition and the Telegraph Line Commission

01 - First Lecture, Introduction

03 - First Lecture, Part 2. Ascent of the River Paraguay to Corumbá; ratification of the hunting programme and the reconnoissance of the river Dúvida; Arrival at Corumbá; Hunting on the River Taquary Velho and on the Fazenda de São José

04 - First Lecture, Part 3. Jaguar hunting on the River São Lourenço; Visit to the cattle ranch Descalvado; Arrival at São Luiz de Cáceres; Pitching camp and hunting at Porto do Campo

09 - Second Lecture, Part 3. Passing the rapids. Death of Simplicio. Adoption of the new name river Roosevelt. Rio Taunay

10 - Second Lecture, Part 4. Difficulties of the voyage and serious incidents; Death of Seargent Paixão; Fevers and sickness of members of the party.

11 - Second Lecture, Part 5. Identification of the Alto Castanha; Indian tribes

15 - Third Lecture, Part 2. Resume of the construction work from 1911 to December 1914; From Vilhena to José Bonifácio. Study of an alternative route of the 1909 track; Indian camps; visit to the village of the Nhambiquaras

16 - Third Lecture, Part 3. From José Bonifácio to Barão Melgaço, purveying by the river; exploration of the river Pimenta Bueno; discovery of the Kepikiri-uat Indians

17 - Third Lecture, Part 4. From Barão Melgaço to Pimenta Bueno and thence to Arikemes; Indian tribes of the Gy-Paraná, Jarú and Jamary

18 - Third Lecture, Part 5. Notes on the construction of the branch lines of Santo Antonio do Guajará-Mirim and from Parecis to Barra de Bugres; Indian tribes of these respective regions; habits and identification of these Indians

19 - Third Lecture, Part 6. Geographical exploration accompanied by notes relative to the Indian population existing in the valleys of the rivers explored; The sources of the river Paraguay

20 - Third Lecture, Part 7. Affluents of the Guaporé; Basin of the river Madeira; Jacy-Paraná, Jamary and Gy-Paraná

21 - Third Lecture, Part 8. Region comprised between the Gy-Paraná and the river Roosevelt; work of pacification of the Parintintis Indians

23 - Third Lecture, Part 10. Exploration of the rivers Sangue and Papagaio

24 - Third Lecture, Part 11. Exploration of the river Arinos

25 - Third Lecture, Part 12. Exploration of the river formerly called São Manoel