. Elements of zoölogy. Zoology. 206 BACKBONED ANIMALS. of the large ventral or lower scales. The skin is moulted once a year, the process being assisted by the growth of casting-hairs (Fig. 247) beneath the skin, that push it. Fig. 246.—Skeleton of a snake, sp, spinous processes of the joints ; r, ribs ; q, quadrate bones, joining upper and lower jaws; <?, front of the lower jaw, where there is an elastic band in the place of bone; &, ball end of joint, facing the tail; c, cup end of joint, facing the Please note that these images are extracted from scanned page images that may h
. Elements of zoölogy. Zoology. 206 BACKBONED ANIMALS. of the large ventral or lower scales. The skin is moulted once a year, the process being assisted by the growth of casting-hairs (Fig. 247) beneath the skin, that push it. Fig. 246.—Skeleton of a snake, sp, spinous processes of the joints ; r, ribs ; q, quadrate bones, joining upper and lower jaws; <?, front of the lower jaw, where there is an elastic band in the place of bone; &, ball end of joint, facing the tail; c, cup end of joint, facing the 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 Holder, Charles Frederick, 1851-1915; Holder, Joseph Bassett, 1824-1888, joint author. New York : D. Appleton and company
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectzoology, bookyear1884
