Proceedings of the United States National Museum SMITHSONIAN INSTITUTION • WASHINGTON, D.C. Volume 119 1966 Number 3541 BENTHIC AMPHIPODA OF MONTEREY BAY, CALIFORNIA By J. Laurens Barnard Associate Curator, Division of Crustacea The fauna of benthic subinter tidal Amphipoda in Monterey Bay, California is compared to that of southern California south of Point Conception. This study of northern Amphipoda complements a study of southern Amphipoda of Baja California (Barnard, 1964a). The two surveys have been conducted in order to determine the affinities of various Amphipoda of southern California. The extrinsic distributions of southern California Amphipoda are poorly known except for those species from Baja California reported by Shoemaker (1925, 1942), Barnard (1964a), and those from Oregon, Washington, and British Columbia reported by Caiman (1898), Walker (1898), Thorsteinson (1941), Barnard (1954), Bousfield (1958), and Mills (1961, 1962). Most of the cited papers have treated only intertidal species. Although Monterey Bay has not been considered to be a typical cold-temperate area, the present analyses indicate the cold-temperate character of several California Amphipoda. I am indebted to Dr. R. E. Stevenson of Florida State University, formerly of the Allan Hancock Foundation, who directed the Cali-fornia State Water Pollution Control Board survey of California. 1
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