Contributions to Embryology.
Vol. 14, Nos. 65–71. (Publication No. 277.) Pp. iii + 162 + 15 plates. (Washington: Carnegie Institution, 1922.) 3.50 dollars.
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Contributions to Embryology. Nature 112, 500 (1923). https://doi.org/10.1038/112500a0
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DOI: https://doi.org/10.1038/112500a0