. Elements of zoölogy : a textbook. Zoology. 54- VEKTEBRATA: MAMMALIA. cranium, and is therefore immovable; the lower jaw is formed of two pieces only, one on each side—the two in some species fixed firmly together by what is called an-. Cranium of a Dog, upper surface. Reduced in Size. SO, supraoccipital; IP, interparietal; Pa, parietal; Sq, squamosal; Fr, frontal; Ma, malar; L, lachrymal; MX, maxilla; Na, nasal; PM*, premaxilla; ap, anterior palatine foramen; io, infraorbital foramen; po/, postorbital process of frontal bone. chylosis—and is articulated directly with the skull, with- out the
. Elements of zoölogy : a textbook. Zoology. 54- VEKTEBRATA: MAMMALIA. cranium, and is therefore immovable; the lower jaw is formed of two pieces only, one on each side—the two in some species fixed firmly together by what is called an-. Cranium of a Dog, upper surface. Reduced in Size. SO, supraoccipital; IP, interparietal; Pa, parietal; Sq, squamosal; Fr, frontal; Ma, malar; L, lachrymal; MX, maxilla; Na, nasal; PM*, premaxilla; ap, anterior palatine foramen; io, infraorbital foramen; po/, postorbital process of frontal bone. chylosis—and is articulated directly with the skull, with- out the intervention of a bone which anatomists call the quadrate bone, such as exists in Birds and Eeptiles; and the teeth are enamelled. And it may be added here that. 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 Tenney, Sanborn, 1827-1877. New York : Scribner
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