. Animal biology. Zoology; Biology. EVOLUTION OF ANIMALS 519 ently either ancestral to those which possess the vestiges or are related to such ancestors these parts and organs are fully developed. Among the vestigial structures in man are the existence of supernumerary mam- mary glands; the persistence of hair on the body; the presence in rare cases of vestiges of a tail; the existence of a third eyelid, or nictitating membrane; the presence of vestigial muscles, particularly in connection with the ears; and the possession of a vermiform appendix. The last, in major muscle. Colon ^Auricularis
. Animal biology. Zoology; Biology. EVOLUTION OF ANIMALS 519 ently either ancestral to those which possess the vestiges or are related to such ancestors these parts and organs are fully developed. Among the vestigial structures in man are the existence of supernumerary mam- mary glands; the persistence of hair on the body; the presence in rare cases of vestiges of a tail; the existence of a third eyelid, or nictitating membrane; the presence of vestigial muscles, particularly in connection with the ears; and the possession of a vermiform appendix. The last, in major muscle. Colon ^Auricularis Superior muscle Ileum Auriculans posterior muscle Cartilage Antitragicus \ 1 muscle ^ A ¥ 5 . ^ Auri culari s anterior muscle Helicis minor muscle Tragi cos muscle. 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 Wolcott, Robert Henry, 1868-1934. New York ; London : McGraw-Hill Book Company, Inc.
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Keywords: ., bookcentury1900, bookcoll, booksubjectbiology, booksubjectzoology
