[21] Unpublished.

[22] Several times edited; in Migne, _P.L._ 161. See P. Fournier,
"Les Collections canoniques attribuees a Yves de Chartres,"
_Bibliotheque de l'Ecole des Chartres_ (1896 and 1897).

[23] Printed in Martene, _Nov. Thesaur. anecdot._ vol. v. col. 1019.

[24] See P. Fournier, "Deux Controverses sur les origines du Decret
de Gratien," in the _Revue d'histoire et de litterature religieuses_,
vol. iii. (1898), pp. n. 2 and 3.

[25] See Laurin, _Introductio in corpus juris canonici_, c. vii. p.
73.

[26] By referring to the decretals of Gregory IX. for the texts
inserted there, E. Friedberg has succeeded in giving a much abridged
edition of the _Quinque compilationes_ (Leipzig, 1882).

[27] Edited by Schulte, _Die Summa des Paucapaiea_ (Giessen, 1890).

[28] Edited by Thaner, _Die Summa Magistri Rolandi_ (Innsbruck,
1874); later by Gietl, _Die Sentenzen Rolands_ (Freiburg im B.,
1891).

[29] Edited by H. Singer, _Die Summa Decretorum des Magister Rufinus_
(Paderborn, 1902).

[30] Edited by Schulte, _Die Summe des Stephanus Tornacensis_
(Giessen, 1891).

[31] He made a Summa of his own collection, ed. E. Laspeyres,
_Bernardi Papiensis Summa Decretalium_ (Mainz, 1860). The
commentaries of Innocent IV. and Henry of Susa have been frequently
published.

[32] The history of this commission and the rules which it followed
for editing the _Decretum_, will be found in Laurin, _Introductio in
corpus juris canonici_, p. 63, or in the Prolegomena to Friedberg's
edition of the _Decretum_.

[33] Quoted by Hogan, _Clerical Studies_, p. 235.

[34] There are innumerable editions of the council of Trent. That
which is favoured by canonists is Richter's edition (Leipzig, 1863),
in which each chapter _de reformatione_ is followed by a selection of
decisions of the S.C. of the council.

[35] Republished by F. Sentis, from one of the few copies which have
escaped destruction: _Clementis Papae VIII. Decretales, quae vulgo
nunenpantur Liber septimus Decretalium Clementis VIII._ (Freiburg im
B., 1870).

[36] _Omnium concilii Vaticani ... documentorum collectio_, per
Conradum Martin (Paderborn, 1873), p. 152.

CANOPUS, or CANOBUS, an ancient coast town of Lower Egypt, a hundred and
twenty stadia, or 15 m. east of Alexandria, the principal port in Egypt
for Greek trade before the