SOURCES OF THE MATERIAL. 1 1 



Sapina, Rio Tiete, into Rio Parana. Santos, coast of Sao Paulo. 25. Alto da Serra, Rio 

 Tiete, into Rio Parana. 26, 28. Mogy, into Santos Bay. Creek at base of mountains, 

 ten miles from Santos. 29. Piassaguera, near Santos. 29. Santos. 31. Rio Pilao, 

 fifteen miles southwest of Santos and Cubatao, Rio Cubatao. Clear, swift and rocky creeks 

 seven miles west of Santos. August 7. Mogy Mirim, into Rio Mogy Guassu, into Rio 

 Grande, into Rio Parana. Corrego de Joao de Deus. Twelve miles from Mogy Mirim. 

 14- Rio Paranahyba, into Rio Parana. IS, 19. Jaguara, Rio Grande, into Rio Parana. 

 25, 26. Mogy Guassu, Rio Mogy Guassu, into Rio Grande, into Rio Parana. September 1. 

 Bebedouro, near Rio Grande, and Rio Parana. 5-9. Piracicaba, into Rio Tiete", into Rio 

 Parana. Above and below big falls. 14- Salto de Avanhandava, Rio Tiete. 22. Salto 

 das Cruzes, Rio Tiete". 27. Itapura, Rio Tiete; Riberao Azul, twelve miles from Tiete. 

 October 8. Riberao Azul. 11. Miguel Calmon; twenty miles east of Miguel Calmon. 

 Bauhru, Rio Tiete". Salto Grande de Paranapanema, into Rio Parana. November 27. 

 Agua Quente, into Rio Ribeira da Iguape. 28. Cavernas das Areas. Sixteen miles south- 

 west of Iporanga in Serra do Mar. December 1. Iporanga, Rio Ribeira da Iguape. 5, 8. 

 Xiririca, Rio Ribeira da Iguape. 15, 16. Iguape, Rio Ribeira da Iguape. 22. Serrinha 

 Parana, Rio Iguassu, into Rio Parana. Rio das Mortes, into Rio Iguassii. Creek six miles 

 west of Serrinha, with numerous falls. 27-29. Porto Uniao da Victoria, Rio Iguassu. 



January 2-4, 1909. Morretes, on Marunby, into Rio Nhundiaquara, into ocean at 

 Pranagua. 17-24- Porto Alegre, Rio Grande do Sul, Rio Guahyba. 26-27. Cachoeira 

 Rio Jacuhy, into Lago dos Patos at Rio Grande do Sul. 29. Santa Maria, Rio Vaccacahy- 

 Mirim, into Rio Guahyba into Rio Jacuhy. 31 . Cacequy, Rio Ibacuhy, into Rio Uruguay. 

 February 1. Cacequy. 5. Uruguayana, Rio Uruguay. Rio Negro, Uruguay or Paso de 

 los Torros, into Rio Uruguay. 17. Arroyo Miguelete, Montevideo. 25, 27. San Juan, 

 Argentina. March 4- Rio Colorado, Argentina. Choel-choel, tributary of Rio Negro. 



5. Rio Negro. 6. Muddy ponds twenty miles east of town of Colorado. 11. Buenos 

 Aires, Rio de Prata. 23. Asuncion, Paraguay. SO. Cerro de Lambare, five miles below 

 Asuncion in saline swamp. 31. Bays in front of and near Asuncion. April 2. Sapucay, 

 Paraguay. In mountain rills. 5. Arroyo Pona near Sapucay. 7, 8. Arequa, Laguna 

 Ipacary. 11, 13, 14- Villa Hays. 27. Urucum Mountains, 25 miles back of Corumba. 

 28. Corumba. May 2. Urucum Mountains. 6, 7. Puerto Suarez, 15 km. from 

 Corumba. 9. Corumba. 23-27. Sao Luiz de Caceres, Matto Grosso. June 2, 3. Cam- 

 pos Alegre, Rio Jauru, into Rio Paraguay. San Matias, Bolivia, into Rio Paraguay. 10. 

 Rio Sao Francisco, into Rio Paraguay. 12. Rio Santa Rita, into Rio Paraguay. 13. 

 Rio Petas, Bolivia, into Rio Paraguay. 16. Rio Boa Ventura, into Rio Guapore". 21, 27. 

 Posada, into Rio Guapore, about 40 miles south of Villa de Matto Grosso. 26, 28. Bastos, 

 Rio Alegre, into Rio Guapore. July 8. Below Rio Paragahu, in Rio Guapore. 23. Sixty 

 miles above San Antonio de Guapore. July 29-August 13. San Antonio de Guapore. August 

 28. Rio Machupo, Bolivia, into Rio Guapore. Twenty miles below San Joaquin. September 

 4~7. San Joaquin, Bolivia. Rio Machupo. Lake one mile west of town and mud-hole 

 near town. 14, 15. Berlin, Rio Mamore. 19. Rio Mamore, below mouth of Rio 

 Guapore. 28. Guaja-ussu, Rio Madeira. 30. Palo Grande, Rio Mamore. In rapids under 

 stones. October 5. Villa Bella, Bolivia, Rio Beni, into Rio Madeira. 13. Cachoele 

 de Theotonio, Rio Madeira. Whirlpools. 17. Cachoele de Ribeirao, Rio Madeira. 26. 

 Cachoele de Girao, Rio Madeira. Whirlpools. November 2, 3. Sao Antonio de Rio Madeira. 

 15, 19, 25, 27-29. Manaos, mouth of Rio Negro. 30. Igarape de Cachoeira Grande, two 

 miles out of Manaos. December 2. Manaos. 4- Ten miles above Manaos on Rio Negro. 



6, 8. Santarem, Rio Tapajos. 7. Swampy pools of Amazon and Rio Tapajos opposite 

 Santarem. 9. Upper end of island, Amazon, four miles above Santarem. 10. Tapajos, in 



