1859. Darwin, Orig. Spec., vii. (1873), 203. Against the belief in such abrupt changes, embryology enters a strong protest.
1872. Morley, Voltaire (1886), 20. An undiscovered set of facts in embryology.
1859. Darwin, Orig. Spec., vii. (1873), 203. Against the belief in such abrupt changes, embryology enters a strong protest.
1872. Morley, Voltaire (1886), 20. An undiscovered set of facts in embryology.