. Biological survey of the Mount Desert Region. Natural history -- Maine Mount Desert Island. THE MOUNT DESERT REGION 19. Fig. 9 Cytheretta tracyi. 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 Procter, William, 1872-1951; Mount Desert Island Biological Laboratory; Johnson, Charles Willison, 1863-1932; Blake, Charles Henry, 1901-. Philadelphia, The Wistar Institute of Anatomy and Biology

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Keywords: ., bookcentury1900, bookdecade1920, bookpublisherphiladelphiathewis