Volume 37(2)

Journal
of the
Arizona-Nevada Academy of Science


CONTENTS

Editor’s Note iv
Small Mammal Community Responses to a Wildfire on a Central Arizona Sky Island
    Lindsey M.Monroe, Stanley C.Cunningham, and Lari Beth Kirkendall
56
Understanding Medical Expenses for Children with Special Health Care Needs
    Melinda F.Davis, Judith C.Keagy, William Madden, F.John Meaney, Ernest P.Schloss, Vicky Lewis, Cheryl Kline, and Lee B.Sechrest
62
Bird Community from Sierra De Picachos, Nuevo Leon, México
    Rubén M.Gonzalez-Iglesias, Sonia G.Ortiz-Maciel, Armando J.Contreras-Balderas, Walter A.Albeldaño Vazquez and José J.Flores-Maldonado
68
Impact of Slash Pile Size and Burning on Ponderosa Pine Forest Soil Physical Characteristics
    Geoff Seymour and Aregai Tecle
74
Oligacanthorhynchid Acanthocephalan Cystacanths in the Yaqui Blackhead Snake, Tantilla yaquia (Serpentes: Colubridae) from Arizona
    Stephen R.Goldberg and Charles R.Bursey
83
The Lichens of Parashant National Monument, Arizona: A Preliminary Study
    Ken G.Sweat, William A.Iselin, Scott T.Bates and Thomas H.Nash III
85
Recent Additions to the Flora of the Pinaleño Mountains, Graham County, Arizona
    Steven P.McLaughlin and Mitchel P.McClaran
91
Effect of Infarction and ACE Inhibitors on the Mitral Valve
    David W.Quick, Karyn S.Kunzelman, Masaki Hata, Julia O.Hegge, Peter S.Rahko, Tracey L.Weigel, and Richard P.Cochran
94
Intraspecific Competition Among Blackbrush (Coleogyne ramosissima) Seedlings in a Controlled Environmental Glasshouse
    Simon A.Lei
100
The Geology of Two Small Cenozoic Volcanoes in Southwestern Arizona
    Shelby Cave and Ronald Greeley
105


2004
Published by the
Arizona-Nevada Academy of Science