. Beginners zoology. Zoology. Fig. 72.— Food Tube of earth- worm. (Top view.). Fig. 73. —Fooi> TUHK AND Ves- sels of earth- worm showing the ring-like hearts. (Side view.). 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 Coleman, Walter M. Toronto : Macmillan

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectzoology, bookyear1921