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Published online by Cambridge University Press: 31 May 2012
I had generally considered Papilio indrato be a rare insect in Colorado, and from the inquiries of correspondents would think it wanting in many collections. While collecting at about 7,000 feet elevation, in June, '89, I occasionally saw one go past me like a flash up the mountain sides; but one sultry afternoon I took several examples in a narrow canon as they sat upon a small piece of sandy ground that had been soaked by a thunder storm in the morning.