The genus Echlnorhlnus Blainville contains two species, the brambleshark E, brucus. first described by Bonnatere (1788), and the prickly shark E, cookel. first described by Pietschmann (1928), Due to the considered a variant of E. brucus (Fowler, 1941 . . .

This study is necessary because it represents perhaps the last opportunity to examine Grinnell’s findings. Specimens were trapped and their localities mapped (see map, Fig. 1): then statistical methods were applied to various measurements such as tail . . .

The European grapevine moth (EGVM), Lobesia botrana (Denis & Schiffermu_ller) is a major pest of grapevines in the Palearctic ecozone. In 2008, the moth was reported in Chile and subsequently in California in 2009, representing the first establishment . . .

This thesis is concerned with the retinal histology and scotopic (dark adapted) spectral sensitivity of three species of elasmobranch as determined by electroretinography. The cellular makeup of the retinas of each species of elasmobranch will be disc . . .

Food deprivation is a common occurrence in the wild and organisms must be able to maintain energy homeostasis during this period. Energy stores, as well as food intake signaling become disrupted during prolonged fasting. Plasma IGF-1 decreased but no . . .

The purpose of the present investigation was three-fold: (1) to re-affirm the presence of the mountain beaver in its known southern range (the last report of A. rufa in Sequoia and Kings Canyon National Parks was by Boyer in 1948, (2) to study the beh . . .

This study is concerned with density of the bird population expressed as the actual number of non-breeding birds and the pairs of potential breeding birds living on thirty-tree and a third acres in the Foothills Woodland Community at the Experimental . . .

This brief paper is the first attempt to present a study of the habits and status of the wood duck, Aix, for the San Joaquin Valley of California. In a natural history survey involving a migratory bird such as this, two year' s observations cannot hop . . .

The Chinese mitten crab, Eriocheir sinensis, has a history of invasions in numerous countries. In 1992, the Chinese mitten crab was introduced to the San Francisco Bay/Delta system. Since its invasion in the San Francisco Bay, it has become an aquatic . . .

The San Joaquin River Restoration Program (SJRRP) is preparing to reintroduce threatened spring-run Chinook salmon (Oncorhynchus tshawytscha) into the San Joaquin River between Friant Dam near Fresno, California and the confluence of the Merced River. . . .