. Beginners zoology. Zoology. FiG. 255. — Digestive Canal of Frog. Mh, mouth; Z, tongue pulled outward; S, opening to larynx; O^, gullet; ^/, stom- ach; D, intestine; P, pan- creas; L, liver; G, gall bladder; R, rectum; Hb, bladder; CI, cloaca; A, 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