Volume 24-25(1)

Journal
of the
Arizona-Nevada Academy of Science

CONTENTS

Ingestion, growth and conversion efficiency in the Blue Talipa Oreochromis aureus
    when fed on three aquatic macrophytes.
    Daniel O. Okeyo and W. Linn Montgomery 		1
Additions, notes and chromosome numbers for the flora and vascular plants of
    Oregan Pipe Cactus National Monument, Arizona.
    Donald J. Pinkava, Mark C. Baker, Robert A. Johnson, Nichoel Trushell
    George A. Ruffner, Richard S. Felger and Rebecca K. Van Devender 		13
A gradient analysis of plant forms from Northern Arizona.
    G. Wilson Fernandes 		24
Vascular plants of the Northern Hualapai Mountains, Arizona.
    Mary Butterwick, Bruce D. Parfitt, and Deborah Hillyard 		31
Pollination biology of the genus Crinodendron (Elaeocarpaceae).
    Jerald S. Bricker 		51
Microhabitat spatial utilization by the Socorro Island Lizard
    Urosaurus articulatus (Cope).
    Alfredo Ortega-Rubio, Sergio Alvarez-Cardenas, Patricia Galina-Tessaro,
    and Gustavo Arnaud-Franco 		55
The Black Forest Bed, a distinctive unit in the Upper Triassic Chinle Formation,
    Northeastern Arizona.
    Sidney Ash 		59
An evaluation of the instream flow incremental methodology (IFIM)
    O. Eugene Maughan and Paul J. Barrett 		75
The applicability of generalized fire prescriptions to burning of
    Madrean Evergreen Forest and Woodland.
    Peter S. Bennett and Michael R. Kunzmann 		79
Book Reviewes
 11, 19, 50

1992
Published by the
Arizona-Nevada Academy of Science