A Topic of Moral Theology

Bestiality

The gravest of the sins against nature: its nature and guilt.

Also asked about as…

sex with animals (ed.)

In the index as Bestiality (Bestialitas) · Sodomy · Lust · Masochism · Pollution · Sexual perversion · Softness · Affection toward a dishonorable thing · Coition · Contrary sexuality · Erotic zoophilia · Fornication · Hypersexuality · Immodesty · Impurity · Lesbian Love · Luxury · Masturbation · Necrophilism · Onanism · Pederasty · Perjury · Religion · Reserved cases

In the manuals

Summa of Moral Theology (Summa Theologiae Moralis)

§ 3. On Bestiality., nn. 44, 45, 46 & 47 (4 passages — hover a number to read it)

A Manual of Moral Theology for English-Speaking Countries

Vol. I, Bk. VI, Pt. VI, Ch. III, Article III. De Bestialitate, nn. 1, 2 & 3 (3 passages — hover a number to read it)

Manual of Moral Theology (Manuale Theologiae Moralis)

Vol. III, Bk. I, Pt. I, Sect. II, Ch. III, Article III. On Bestiality, nn. 55 & 56 (2 passages — hover a number to read it)

Moral Theology: A Complete Course (McHugh & Callan)

Vol. II, Pt. II, Q. II, Art. 8. The Virtue of Temp…, Sins Against Nature, n. 2534 — Unnatural Lust. Unnatural Lust.—Worst among the sins of impurity, as such, are crimes of unnatural lust, for they exercise the sexual act, not only illicitly, but also in a manner that defeats its purpose of reproduction. In some non-ve… Read in context →

Institutions of Moral Theology (Institutiones Theologiae Moralis)

Vol. I, On the Sixth and Ninth Pre…, III. On Sins of Lust Against Nature, nn. 823, 824, 825 & 826 (4 passages — hover a number to read it)

Commentaries on the Nature of Moral Theology, on Conscience and Probabilism, on the Fourth Precept, and on the Sixth and Ninth Precepts of the Decalogue (Commentarii)

Ch. III, Article II: On Bestiality, nn. 112, 113, 114 & 115 (5 passages — hover a number to read it)

Compendium of Moral Theology of Fr. John Peter Gury, S.J., with the Notes of Antonio Ballerini, S.J.

Vol. I, Treatise On the Precepts o…, On the Sixth and Ninth Pre…, Ch. II, Art. II, § III. On Bestiality, nn. 435 & 436 (3 passages — hover a number to read it)

Synopsis of Moral and Pastoral Theology

Vol. II, Supplement: On the Virtue of Chastity, nn. 57 & 58 (2 passages — hover a number to read it)

On Chastity and on the Contrary Vices: A Doctrinal and Moral Treatise

Ch. I, Art. II, § 2, II. On Bestiality, nn. 347, ¶1818, ¶1819, ¶1820, ¶1821 & ¶1822 (6 passages — hover a number to read it)

Pastoral Questions

Article III: Concerning Bestiality, nn. ¶325, ¶326, ¶327, ¶328, ¶329, ¶330, ¶331, ¶332 & ¶333 (9 passages — hover a number to read it)

Institutiones Morales Alphonsianae

Vol. I, Pt. II, Sect. II, Tr. VI, Ch. II, Art. II, § 4. On Bestiality, nn. ¶805 & ¶806 (2 passages — hover a number to read it)

Theologia Moralis Sancti Alphonsi: Reduced into a Compendium

Vol. I, TREATISE ON THE PRECEPTS O…, Ch. III, Art. II, § IV. On bestiality, nn. ¶507, ¶508, ¶1, ¶2 & ¶509 (5 passages — hover a number to read it)

Manuale Theologiae Moralis

Vol. II, Tr. XIII, Ch. III, Art. V, Namely, Lust, § 5. On the External Sins of Lust Consummated Contrary to Nature, n. 707 — 707. 3. Bestiality (called sodomy or erotic zoophilia by modern jurists) is carnal intercourse with a beast; it is the gravest among all sins of lust. Immodest touches alone had with a beast are not the sin of bestiality… Read in context →

Summa Theologiae Moralis

Vol. II, Special Moral Theology: On…, Treatise: On the Cardinal …, Fourth Part: On the Virtue…, Question Three: On the Spe…, Article II: On Luxury Against Nature, nn. ¶1, 1014, 1015, 1016, 1017, 1018 & 1019 (32 passages — hover a number to read it)

Compendium of Moral Theology

Vol. I, Tr. VI, On the Sixth and Ninth Pre…, Ch. II, Art. II, § III. On Bestiality, nn. 308 & 309 (2 passages — hover a number to read it)

Palladium Theologicum, Tome V: On the Virtues

Tr. VI, Disputation II: On the Vic…, Q. III, Doubt VIII: On sins agains…, Subdoubt II: On bestiality, nn. 1, 2, 3 & 4 (4 passages — hover a number to read it)

Treated under the broader heading Consummated Sins against Nature — Vermeersch, Theologia Moralis — this work does not divide the matter as finely as we do here, so its treatment stands one heading up (ed.)