. The action of various pharmacological and other chemical agents on the chromatophores of the brook trout Salvelinus fontinalis Mitchill. Chromatophores; Trout. i **. 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 Lowe, John Nicholas. [Baltimore, The Waverly press]

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Keywords: ., bookcentury1900, bookcontributorthe, bookdecade1910, bookyear1917