. Elements of geology : a text-book for colleges and for the general reader. Geology. JURASSIC AXIMALS. 447 called a bird-like reptile. Most agree, however, that it is a reptilian bird. It is interesting to note the different ways in which the same func- tion—that of flying—is effected in different animals, without violating. Fig. 704.—Head of Archaeopteryx macroura (after Dames). the law of limb-structure. In the Bat the resisting plane is produced by stretching a membrane between the enormously elongated palm and finger-bones ; in the Pterodactyl only one finger is enormously en- larged and
. Elements of geology : a text-book for colleges and for the general reader. Geology. JURASSIC AXIMALS. 447 called a bird-like reptile. Most agree, however, that it is a reptilian bird. It is interesting to note the different ways in which the same func- tion—that of flying—is effected in different animals, without violating. Fig. 704.—Head of Archaeopteryx macroura (after Dames). the law of limb-structure. In the Bat the resisting plane is produced by stretching a membrane between the enormously elongated palm and finger-bones ; in the Pterodactyl only one finger is enormously en- larged and elongated for this purpose; in the Bird the same bones are. 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 LeConte, Joseph, 1823-1901. New York : D. Appleton and Co.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectgeology, bookyear1892
