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Front Matter, Vol. 68 No. 2

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Controlling performance of bluebunch wheatgrass and spotted knapweed using nitrogen and sucrose amendments
Jane M. Mangold and Roger L. Sheley

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Response of antelope bitterbrush shrubsteppe to variation in livestock grazing
P. G. Krannitz

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Diet of the Mogollon vole as indicated by stable-isotope analysis (δ¹³C and δ¹⁵N)
Carol L. Chambers and Richard R. Doucett

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Hybridization between a rare and introduced Oenothera along the north Pacific Coast
Matthew L. Carlson and Robert J. Meinke

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Aquatic invertebrate fauna of a northern prairie stream: range extensions and water quality characteristics
Iain D. Phillips, Dale Parker, and Glen McMaster

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Northern Bobwhite habitat selection in relation to brush management in the Rolling Plains of Texas
Dean Ransom Jr., Roel R. Lopez, Gerral G. Schulz, and Joel S. Wagner

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Species composition and habitat associations of benthic algal assemblages in headwater streams of the Sierra Nevada, California
Larry R. Brown, Jason T. May, and Carolyn T. Hunsaker

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Leeches of the Snake River in Idaho and Oregon: paleodrainage implications of Mooreobdella microstoma
Peter Hovingh, William H. Clark, and John Keebaugh

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Implications of polyploidy in the host plant of a dipteran seed parasite
Rebecca Hufft Kao

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Influence of soil and site characteristics on Palouse prairie plant communities
Thor Hanson, Yaniria Sánchez–de León, Jodi Johnson-Maynard, and Steve Brunsfeld

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Feeding by the Great Basin spadefoot toad (Spea intermontana [Cope]) (Anura: Pelobatidae)
Richard S. Zack and Diana G. Johnson

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Capture rates of reptiles and amphibians on black-tailed prairie dog (Cynomys ludovicianus) colonies and on uncolonized prairie in Colorado
Bryon K. Shipley, Richard P. Reading, and Brian J. Miller

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First record of diamondback moth (Lepidoptera: Plutellidae) from interior Alaska
Aaron M. Hagerty, Alberto Pantoja, and Susan Emmert

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Swift fox response to prescribed fire in shortgrass steppe
Craig M. Thompson, David J. Augustine, and Darren M. Mayers

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Caudal movements in western fence lizards (Sceloporus occidentalis) prior to attempted prey capture
C. Drew Foster and Patrick Martin

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Deep Ancestry: Inside the Genographic Project by Spencer Wells
Duane Jeffery

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California's Frontier Naturalists by Richard G. Beidleman
Howard O. Clark Jr.

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End Matter, Vol. 68 No. 2