Bulletin (Southern California Academy of Sciences) articles from April 2001

Bulletin (Southern California Academy of Sciences) archives from April 2001

Pliocene Amphibians and Reptiles from Clark County, Nevada.
April 1, 2001... JIM I. MEAD [1] CHRISTOPHER J. BELL [2] Abstract.--Pliocene herpetofaunas are uncommon in the published literature. Here we report on a small Pliocene (Blancan Land Mammal Age) herpetofauna from the White Narrows local fauna (Clark...

An Evolutionary Classification and Checklist of Amphibians and Reptiles on the Pacific Islands of Baja California, Mexico.
April 1, 2001... Abstract.--The herpetofauna of the Pacific islands of Baja California is evaluated in light of an evolutionary species concept. Ten subspecies were relegated to synonyms of their peninsular counterparts and three subspecies were elevated to...

Spot Pattern of Girella nigricans, the California Opaleye: Variation among Cohorts and Climate Periods.
April 1, 2001... Abstract.--Girella nigricans (California opaleye) exhibits variability in dorsolateral spot pattern. Southern California opaleye usually have one pair of white spots; however, fish with additional spots are frequently observed. Additional spots...

Diversity of Parasitic Cuscuta and their Host Plant Species in a Larrea-Atriplex Ecotone.
April 1, 2001... Abstract.--The distribution of four species of parasitic dodder (Cuscuta spp.) on a variety of host plant species was quantitatively investigated in a creosote bush-saltbush (Larrea tridentata-Atriplex spp.) ecotone in the Amargosa Valley of...

Persistence of the Nematode, Oswaldocruzia pipiens (Molineidae), in the Pacific Treefrog, Hyla regilla (Hylidae), from California.
April 1, 2001... Stephen R. Goldberg [1] Charles R. Bursey [2] Abstract.--Multi-year samples of Hyla regilla from three California counties (Los Angeles, Orange, Riverside) as well as single-year samples from three additional California counties...

Cercarial Emergence from Rediae in California Snail Tissues.
April 1, 2001... Abstract.--Rediae from Cerithidea californica snails collected at Point Mugu, CA, yield pleurolophocercous, furcocercous, and xiphidio cercariae. Pleurolophocercous and xiphidio cercariae emerge one at a time from rediae and never tail first....