Abstract
Summary
Embryonic enucleation of A. punctatum, A. tigrinum and A. mexicanum (axolotl) has no significant effect upon the growth rate. The influence of the eyes upon color changes and possibly upon metamorphosis seems not to be related to any eye substance (hormone) developed within the eye itse1f. 1 No effect of embryonic enucleation upon the development of the gonads could be found in A. tigrinum up to 170 days after the embryonic stage nor in axolotls two years of age.
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