VII. We shall leave to the students of the physical world the problem of describing the nature of the various creatures [in the creation narrative]. For us, it is sufficient to to list them according to the days of creation.
JOHANNES WOLLEBIUS, Compendium theologiae christianae, 5.7 in Reformed Dogmatics, trans. John W. Beardslee III (New York: Oxford University Press, 1965), 54.