. Elements of zoology, to accompany the field and laboratory study of animals. Zoology. )0Q J'JO ZOOLOGY The muscles of the breast and appendages offer special com- phcations. The nervous system shows an advance over that of fishes. The brain has two large lobes in front (olfactory lobes, ), but the front part of the brain proper (cerebrum) and. Fig. 31S. — Mud-puppy (Necturus), photographed while Uving in an aqua- rium. From Report N. Y. Zoological Society. the cerebellum are poorlj- developed. The spinal cord is shortened and modified on account of the shortening of the trunk. Sense-o
. Elements of zoology, to accompany the field and laboratory study of animals. Zoology. )0Q J'JO ZOOLOGY The muscles of the breast and appendages offer special com- phcations. The nervous system shows an advance over that of fishes. The brain has two large lobes in front (olfactory lobes, ), but the front part of the brain proper (cerebrum) and. Fig. 31S. — Mud-puppy (Necturus), photographed while Uving in an aqua- rium. From Report N. Y. Zoological Society. the cerebellum are poorlj- developed. The spinal cord is shortened and modified on account of the shortening of the trunk. Sense-organs. — The sense of smell is chiefly located in the nasal sacs, which open anteriorly to the exterior and posteriorly into the mouth. The eye is essentially hke that of other verte- brates. The ear also consists of a central chamlicr and three semicircular canals. There is a large external membrane, and. 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 Davenport, Charles Benedict, 1866-1944; Davenport, Gertrude Anna Crotty, 1866- joint author. New York, Macmillan
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectzoology, bookyear1911
