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  1. THE LIFE HISTORY AND ECOLOGY OF EUPHYDRYAS-GILLETTII NYMPHALIDAE
    By: Williams, E H - Holdren, C E - Ehrlich, P R
    Type: Article
    In: Journal of The Lepidopterists' Society
    Volume: 38
    Date: 1984
    Page Range: 1--12
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  2. LIZARD PREDATION ON TROPICAL BUTTERFLIES
    By: Ehrlich, P R - Ehrlich, A H
    Type: Article
    In: Journal of The Lepidopterists' Society
    Volume: 36
    Date: 1982
    Page Range: 148--152
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  3. SUMMER BUTTERFLIES IN DINOSAUR NATIONAL MONUMENT USA
    By: Ehrlich, P R
    Type: Article
    In: Journal of The Lepidopterists' Society
    Volume: 37
    Date: 1983
    Page Range: 91--92
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  4. Two California checkerspot butterfly subspecies: one new, one on the verge of extinction
    By: Murphy, D D - Ehrlich, P R
    Type: Article
    In: Journal of The Lepidopterists' Society
    Volume: 34
    Date: 1981
    Page Range: 316--320
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