. An introduction to the study of zoology. Zoology. VERTEBRATA. 293 Thus the more numerous the teeth of the molar series^ and the broader their crowns, the more likely is it that the creature subsists on a mixed diet; and a gradation may be traced even in individual teeth, such as the carnassials, in which a gradual increase in relative size of the internal tubercular cusps of the upper, and of the posterior tubercles of the lower teeth, may be traced as we pass from the examination of the teeth of the Felidm (cats) to those of mixed feeders, such as the Arctoidea " (bears).. Fig. 115.—Sk
. An introduction to the study of zoology. Zoology. VERTEBRATA. 293 Thus the more numerous the teeth of the molar series^ and the broader their crowns, the more likely is it that the creature subsists on a mixed diet; and a gradation may be traced even in individual teeth, such as the carnassials, in which a gradual increase in relative size of the internal tubercular cusps of the upper, and of the posterior tubercles of the lower teeth, may be traced as we pass from the examination of the teeth of the Felidm (cats) to those of mixed feeders, such as the Arctoidea " (bears).. Fig. 115.—Skull of Wild Boar, Su8 serofa fera, showing tusk-like canines. (From-Claus and Sedgwick.) The Canine Tooth.—The canine tooth, popularly supposed to be a characteristic of carnivorous dentition, is such only in so far as it is the tooth that enables an animal to seize its prey : it is the fighting tooth, and may exist in animals that are purely herbivorous. It was shown by Cuvier, and long previously by Aristotle, that although the canine is absent in many nearly related animals, yet it is present and very long in. 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 Lindsay, B. London, S. Sonnenschein
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectzoology, bookyear1895
