OWING to the significance which is attached to the Symphyla in speculations on the origin of insects, a knowledge of their embryology has become desirable. Having recently obtained, in large quantity, the eggs of a local species of Hanseniella, I have been able to work out a fairly complete story of the development of these remarkable animals. A detailed account of this will be published later; the present note records a few points which are significant on phylogenetic grounds.
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Metschnikoff, E., Z. Wiss. Zool., 24 (1874).
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TIEGS, O. Embryology of the Symphyla. Nature 143, 334–335 (1939). https://doi.org/10.1038/143334c0
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Zeitschrift f?r Morphologie und ?kologie der Tiere (1963)