. Biological series. Biology. E. M. W. DEL. HELIOTVPE CO. BOSTON 1 Aeshna sitchensis f 3 Aeshna juncea f 2 " .'94--,? 5 Aeshna subarctica '. 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 University of Toronto; Toronto, Ont. University. University of Toronto studies. Biological series. Toronto University Press [etc. ]

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbiology, bookyear1898