. Allan Hancock Pacific expeditions. Scientific expeditions. PL. 2a ALLAN HANCOCK PACIFIC EXPEDITION VOL. 19. In a deep part of San Pedro Basin, 11 miles northeast of Avalon, Catalina Island, California. Aug. 11, 1951. In 350 to 400 fms. 33° 28' 00" north latitude, 118° ll' 38" west longitude. Surface features show tests of .-Jlloirntrotus (measuring 30 to 80 mm across), a crinoid at right center, a sea star at lower right. A two sq. ft. sample from the bottom yielded glass sponge, many foraminiferans, 20 or more species of annelids, many ophiuroids, and a high percentage of new or l
. Allan Hancock Pacific expeditions. Scientific expeditions. PL. 2a ALLAN HANCOCK PACIFIC EXPEDITION VOL. 19. In a deep part of San Pedro Basin, 11 miles northeast of Avalon, Catalina Island, California. Aug. 11, 1951. In 350 to 400 fms. 33° 28' 00" north latitude, 118° ll' 38" west longitude. Surface features show tests of .-Jlloirntrotus (measuring 30 to 80 mm across), a crinoid at right center, a sea star at lower right. A two sq. ft. sample from the bottom yielded glass sponge, many foraminiferans, 20 or more species of annelids, many ophiuroids, and a high percentage of new or little known Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Allan Hancock Foundation. Los Angeles : Allan Hancock Foundation for Scientific Research, University of Southern Calif. Press
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