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Volume 66, Number 4 (2006)

Front Matter

Articles

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Testing hypothesized evolutionary shifts toward stress tolerance in hybrid Helianthus species
Larry C. Brouillette, Maheteme Gebremedhin, David M. Rosenthal, and Lisa A. Donovan

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Long-term effects of tebuthiuron on Bromus tectorum
Dana M. Blumenthal, Urszula Norton, Justin D. Derner, and Jean D. Reeder

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Serologic survey of the island spotted skunk on Santa Cruz Island
Victoria J. Bakker, Dirk H. Van Vuren, Kevin R. Crooks, Cheryl A. Scott, Jeffery T. Wilcox, and David K. Garcelon

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Characterization of the dorsal skin gland of the Texas kangaroo rat, Dipodomys elator (Rodentia: Heteromyidae)
Frederick B. Stangl Jr., Jim R. Goetze, Michael M. Shipley, and Desiree A. Early

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Stand-level herbivory in an old-growth conifer forest canopy
David C. Shaw, Kristina A. Ernest, H. Bruce Rinker, and Margaret D. Lowman

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Populations and habitat relationships of Piute ground squirrels in southwestern Idaho
Karen Steenhof, Eric Yensen, Michael N. Kochert, and Kenneth L. Gage

Notes

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Ecology of Owens Valley vole (Microtus californicus vallicola)
Fletcher C. Nelson, Michael L. Morrison, Roel R. Lopez, Fred E. Smeins, and Nova J. Silvy

Book Reviews

Announcement

End Matter