. Bulletin. Science; Natural history; Natural history. 24 SOUTHERN CALIFORNIA ACADEMY OF SCIENCES w c 2 12 o 0) 8 E â O 4 o Cadmium. c O 300 0) 200 E Chromium 70 72 74 76 78 80 82 84 86 88 90 92 70 72 74 76 78 80 82 84 86 88 90 92 C 200 o o E 1 00 o Copper W 120 c o » 8 0 *^ E Lead. 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