. The doctrine of descent and Darwinism. Evolution. 208 THE DOCTRINE OF DESCENT. discovery of Fritz Miiller's that a shrimp (Peneus) still begins its development as a Nauplius ; whereas all the other members of the order, as far as they are known, leave the egg in the higher Zoea phase (p. 50). As of the hundreds of. stalk-eyed crabs, scarcely a dozen have been hitherto examined as to their development, it will not be doubted that, with regard to the Nauplius phase, some resemble the Peneus of the Brazilian coast. But even were this case to prove unique in the order, it would suffice as a livi
. The doctrine of descent and Darwinism. Evolution. 208 THE DOCTRINE OF DESCENT. discovery of Fritz Miiller's that a shrimp (Peneus) still begins its development as a Nauplius ; whereas all the other members of the order, as far as they are known, leave the egg in the higher Zoea phase (p. 50). As of the hundreds of. stalk-eyed crabs, scarcely a dozen have been hitherto examined as to their development, it will not be doubted that, with regard to the Nauplius phase, some resemble the Peneus of the Brazilian coast. But even were this case to prove unique in the order, it would suffice as a living witness of the connection. FIG. 17. Axolotl. between the presence of the decapods and the primor- dial crabs. There can be no other view of this subject. The Nauplius phase in the development of the Peneus is either a shining testimony in favour of the doctrine of Descent, or a senseless 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 Schmidt, Dr. (Eduard Oskar), 1823-1886. New York, D. Appleton and Co.
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