. Bulletin. Science. 0 2 4 6 8 1012 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 B Age (days) 1989 42LS. 0 2 4 6 8 10 12 1416 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 Age (days) 20 + 16 E 14 3 12 §10 £ 8f § 6 | 4 2 0 1990 29LS. 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, bookcollectionbiodiversity, booksubjectscience