. Bulletin. Science; Natural history; Natural history. 164 SOUTHERN CALIFORNIA ACADEMY OF SCIENCES 40 20 E E_ > > 20 H- o Q -z. o o CO 20 0 North End 17 June 1984 N= 15 b= P< b= .Base Top Base Wheels -I- Reed Bed 17 June 1984 N = 38. 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 Southern California Academy of Sciences. Los Angeles, Calif. : The Academy

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Keywords: ., bookcentury1900, booksubjectnaturalhistory, booksubjectscience