The following passage paragraphs 7-9 mainly shows that?

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Is the following passage the text you are referring to?

"It will be light enough in Rio," promised Whitney. "We should make it in a few days. I hope the jaguar guns have come from Purdey's. We should have some good hunting up the Amazon. Great sport, hunting."

"The best sport in the world," agreed Rainsford.

"For the hunter," amended Whitney. "Not for the jaguar."