. Bird-life : a guide to the study of our common birds . Birds. ANCESTORS OF BIRDS. It is unnecessary to discuss here the relationships of the birdhke reptiles, but, as the most con\dncing argument in support of the theory of the )-eptilian descent of birds, I present a restoration of the Archasopteryx, the earliest known progenitor of the class Aves. This restoration is. Fro. 1.—Restoration of the Archi"eopteryx, a toothed, reptilclike bird of the Jurassic period. {About 1/5 natural size.) based on an examination of previ<;ius restorations in con- nection with a study of the excellent
. Bird-life : a guide to the study of our common birds . Birds. ANCESTORS OF BIRDS. It is unnecessary to discuss here the relationships of the birdhke reptiles, but, as the most con\dncing argument in support of the theory of the )-eptilian descent of birds, I present a restoration of the Archasopteryx, the earliest known progenitor of the class Aves. This restoration is. Fro. 1.—Restoration of the Archi"eopteryx, a toothed, reptilclike bird of the Jurassic period. {About 1/5 natural size.) based on an examination of previ<;ius restorations in con- nection with a study of the excellent plates which have been published of the fossils ;- Two speci- mens have been discovered ; one Ijeing now in the British Museum, the otliei' in the Berlin Museum. They were both found in the lithographic slates of Solenhofen, in Bavaria, a formation of the Jurassic pericjd, and, together, furnish the more important details of the structure of this reptilelike bird. This restoration, therefore, while doul)tless inaccurate * For recent papers on the Arclia^opteryx see Natural Science (Macmillan Co.), vols, 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 Chapman, Frank M. (Frank Michler), 1864-1945; Seton, Ernest Thompson, 1860-1946. New York : D. Appleton
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Keywords: ., bookauthorchap, bookcentury1800, bookdecade1890, booksubjectbirds
