Further studies on the embryological bas
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Gregory, Paul Wallace ;Castle, William Ernest
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Article
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1931
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John Wiley and Sons
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English
β 575 KB
In a previous paper we have described a difference in rate of growth between eggs from a large race of rabbits and those 'from a small race. Eggs were obtained as early as forty-eight hours and as late as 168 hours after copulation. Stages between these limits were also studied. At the time of ovul