. The animals and man; an elementary textbook of zoology and human physiology. Zoology; Physiology. THE SUNFISH AND THE SPARROW 13. Fig. S. English sparrows; note the black cheeks and throat which dis- tinguish the males. (One-half natural size; from life.). 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 Kellogg, Vernon L. (Vernon Lyman), 1867-1937; McCracken, Mary Isabel. New York, H. Holt and Company

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Keywords: ., bookcentury1900, bookd, booksubjectphysiology, booksubjectzoology