86 and 171.

For the attacks by Michelis and Hagermann, see Natur und Offenbarung, Munster, 1861 to 1869.

For Schund, see his Darwin's Hypothese und ihr Verhaaltniss zu Religion und Moral, Stuttgart, 1869.

For Luthardt, see Fundamental Truths of Christianity, translated by Sophia Taylor, second ed., Edinburgh, 1869.
For Rougemont, see his L'Homme et le Singe, Neuchatel, 1863 (also in German trans.).

For Constantin James, see his Mes Entretiens avec l'Empereur Don Pedro sur la Darwinisme, Paris, 1888, where the papal briefs are printed in full.