This following is a list for everything you must get for 
the Inca King:

Cinchona
Rosewood Oil
River Turtle
Blow Gun
Cacao
Passionflower
Curare
Rubber ball
Scarlet Macaw
Brazil Nuts
(Common) Iguana
Blue Morpho (butterflies)
Wooven Basket
Cloves
Manioc
Mask