The Southwestern Naturalist

Contents 47(3) September 2002

Feature Articles

Taxonomic assessment of the black bear (Ursus americanus) in the eastern United States. Michael L. Kennedy, Phyllis K. Kennedy, Michael A. Bogan, and Juliann L. Waits.

Efficacy of feces as an attractant for mammalian carnivores. Mark E. Howard, Gerald L. Zuercher, Philip S. Gipson, and Troy R. Livingston.

Habitat use by desert mule deer in a semidesert grassland. Kiana K. G. Koenen and Paul R. Krausman.

Use of crossings over the Tucson Aqueduct by selected mammals. Ronald J. Popowski and Paul R. Krausman.

Habitat use by shorebirds at a stopover site in the southern Great Plains. Matthew L. Cole, David M. Leslie, Jr., and William L. Fisher.

Aplomado falcons and grazing: invoking history to plan restoration. Joe C. Truett.

Site tenacity and homing in the Rich Mountain salamander, Plethodon ouachitae. Carl. D. Anthony, Jill A. Wicknick, and Robert G. Jaeger.

Surface density and noctural activity in a west Texas assemblage of scorpions. Christopher A. Brown, John M. Davis, Daniel J. O’Connell, and Daniel R. Formanowicz, Jr.

Riparian vegetation of the Lower Rio Grande. Robert I. Lonard and Frank W. Judd.

Reflectance characteristics and remote sensing of a riparian zone in south Texas. J. H. Everitt, C. Yang, D. E. Escobar, R. L. Lonard, and M. R. Davis.

Vegetation patterns as affected by aspect and elevation in small desert mountains. Ricardo Mata-González, Rex D. Pieper, and Manuel M. Cárdenas.

Notes

Regeneration of triangle-leaf bursage (Ambrosia deltoidea: Asteraceae): Germination behavior and persistent seed bank. Janice E. Bowers.

New host and locality records of bat ectoparasites from Arizona and New Mexico. Christopher M. Ritzi, Ernest W. Valdez, and Dale W. Sparks.

Rio Grande cichlid established in the Lake Pontchartrain drainage, Louisiana. Gustavo N. Fuentes and Robert C. Cashner.

Rediscovery of the rare treefrog, Hyla cembra Caldwell, in Oaxaca Mexico. Joseph R. Mendelson III and Luis Canseco-Márquez.

Temporal shift in diet in a population of American bullfrog (Rana catesbeiana) in Carlsbad Caverns National Park. James J. Krupa.

Clutch and ovum sizes of three species of striped whipsnakes (Masticophis, Colubridae). Jeffrey D. Camper and James R. Dixon.

New Information on the birds of northern Hidalgo, Mexico. Octavio R. Rojas-Soto, Luis A. Sánchez-González, and Samuel López de Aquino.

Current distribution status of the white-faced ibis, Plegadis chihi, in the peninsula of Baja California, Mexico, with special reference to the region of La Paz. Roberto Carmona, Gorgonia Ruiz-Campos, José Alfredo Castillo-Guerrero, and Margarita Zamora-Orozco.

Nesting and productivity of ferruginous hawks in two areas of central and western New Mexico, 1999-2000. Jean-Luc E. Cartron, Rosamonde R. Cook, Gail L. Garber, and Kristin K. Madden.

Habitat use by nonbreeding wood ducks in the Coastal Plain and Rice Prairie region of Texas. James T. Anderson and Thomas C. Tacha.

A nine-banded armadillo (Dasypus novemcinctus) from central Illinois. Timothy R. Van Deelen, Judy D. Parrish, and Edward J. Heske.

First record of the Arizona cotton rat (Sigmodon arizonae) in New Mexico. J. K. Frey, R. D. Fisher, M. A. Bogan, and C. Jones.

Sigmodon ochrognathus is a monotypic species: evidence from DNA sequences. Darin S. Carroll, Lottie L. Peppers, Clyde Jones, and Robert D. Bradley.

Interactions between predators and Mt. Graham red squirrels (Tamiasciurus hudsonicus grahamensis). Carol A. Schauffert, John L. Koprowski, Vicki L. Greer, Marit I. Alanen, Kelly A. Hutton, and Paul J. Young.

Status of Beavers (Castor canadensis frondator) in Río Bavispe, Sonora, Mexico. Juan-Pablo Gallo-Reynosa, Gabriela Suárez-Gracida, Horacio Cabrera-Santiago, Elsa Coria-Galindo, Janitzio Egido-Villarreal, and Leo C. Ortiz.

Variation in the dental formula of the Ipanema bat, Pygoderma bilabiatum. Carl W. Dick.

Hematological parameters of high-elevation bushy-tailed woodrats. Barbara A. Frase.

Bobcat killed by a coyote. Philip S. Gipson and Jan F. Kamler.

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