. Animals before man in North America; their lives and times. Paleontology. Em'ly Birds and Mammals cutting or shearing only. Without a knowledge of the skeleton it is difficult to say much as to probable food and habits of the owners of these teeth, but it is likely that they fed largely on insects. The teeth of insectivorous animals are usually provided with nu- merous small points for holding and crushing such hard and smooth objects as beetles, and these shearing teeth may have served a simi- lar purpose. Spe- cial modifications have some relation to special habits or to some particular ki


. Animals before man in North America; their lives and times. Paleontology. Em'ly Birds and Mammals cutting or shearing only. Without a knowledge of the skeleton it is difficult to say much as to probable food and habits of the owners of these teeth, but it is likely that they fed largely on insects. The teeth of insectivorous animals are usually provided with nu- merous small points for holding and crushing such hard and smooth objects as beetles, and these shearing teeth may have served a simi- lar purpose. Spe- cial modifications have some relation to special habits or to some particular kind of food and peculiar manner of getting it. One of the best instances of this is to be found in that remark- able lemur, the aye-aye, in which the jaws are very powerful and the front teeth like those of a rodent, while the second finger is wonder- fully long and slender. The meaning of these 189. Jaws of Jurassic mammals, en- larged. Amphitherium, Tricono- don, 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 Lucas, Frederic A. (Frederic Augustus), 1852-1929. New York, D. Appleton and company


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectpaleont, bookyear1902