O

Obligation of conscience from the laws of the Index, 53-61, 105 bis, 116, 6. - universal, 23, 95.

Obscene images, 72, 4.

Obscene books, 29, d. 72, 73, 124. Faculty of reading obscene books, 96.

Observations prefixed to prior Indexes, 18, 19.

Odd Fellows, American society, p. 89*.

Officiorum ac Munerum, Constitution of Leo XIII, January 25, 1897, concerning the censure and prohibition of books, 13, 14, pp. 179-188. How it is to be interpreted, 20, 22, 25-27. Its universal force, 23, 95.

Holy Office, condemning books, 62. - condemning evocation of spirits, 77. Causes of the Holy Office reserved to it, 64. - explaining the notion of masonic sect, p. 86*, 88, 89. - defining what acts are of the Apostolic See, 84*. - permitting the reading of prohibited works, 95 bis. - qualifying propositions, 100.

Office excusing the reading of obscene classics, 73, 4; of other prohibited books, 95, 2.

All works, clause, 5, 17, 45, p. 153*.

Workers of the typography, in what way they cooperate in edition, 49, 125, 8. - whether those printing, 125, 8; 126.

Little works, see Pamphlets.

Ordinary faculty of indulging prohibited books, 95, 96.

Ordinary, who he is, 102.

Ordinary of the place, approving books, 110. - averting the faithful from bad newspapers, 93; and books, 102. - condemning books, 63, 98, 102. What if approved, if proscribed by the Holy See, 102. Delegate from the Holy See, 63, 64, 102. Using ordinary power, 102. Whether prohibited books are to be handed over to him, 102, 7. - permitting an anonymous or pseudonymous book, 121. Formulae of his faculties, 134, 139, 152, N.B. 153-166. - using faculties for the benefit of Regulars, 64*. See Bishop.