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Researches on the Impregnation of the Ovum in the Amphibia; and on the Early Stages of Development of the Embryo. (Third Series)
George Newport and George Viner Ellis
Philosophical Transactions of the Royal Society of London
Vol. 144 (1854), pp. 229-244
Published by: Royal Society
Stable URL: http://www.jstor.org/stable/108499
Page Count: 16