. Cytology. Cytology. Ultraviolet protecting filter (Leitz #8574A) _^SIide J Ultraviolet filter (Corning #584t428) Mecury lamp. 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 Wilson, G. B. (George Bernard), 1914-; Morrison, John H. (John Herbert), 1927-. New York, Reinhold

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Keywords: ., bookcentury1900, bookcollectionameri, bookcollectionbiodiversity