Ⅰ．THE START 1
Ⅱ．UP THE PARAGUAY 37
Ⅲ．A JAGUAR-HUNT ON THE TAQUARY 60
Ⅳ．THE HEADWATERS OF THE PARAGUAY 92
Ⅴ．UP THE RIVER OF TAPIRS 127
Ⅵ．THROUGH THE HIGHLAND WILDERNESS OF WESTERN BRAZIL 161
Ⅶ．WITH A MULE-TRAIN ACROSS NHAMBIQUARA LAND 195
Ⅷ．THE RIVER OF DOUBT 233
Ⅸ．DOWN AN UNKNOWN RIVER INTO THE EQUATORIAL FOREST 271
Ⅹ．TO THE AMAZON AND HOME；ZOOLOGICAL AND GEO-GRAPHICAL RESULTS OF THE EXPEDITION 309
APPENDICES： 329
A．THE WORK OF THE FIELD ZOOLOGIST AND FIELD GEOGRAPHER IN SOUTH AMERICA 331
B．THE OUTFIT FOR TRAVELLING IN THE SOUTH AMERICAN WILDERNESS 342
C．MY LETTER OF MAY 1 TO GENERAL LAURO MULLER 360
INDEX 365