picture is a table covered
with a green cloth, on which book-binders are at work. In front of this
table a carpenter is preparing boards. In background, seen through a large
window, is a view of Caesarea.

X. BIBLIOTHECA APOSTOLORUM.

_S. Peter orders the safe-keeping of books._

S. Petrus sacrorum librorum thesaurum in Romana ecclesia
perpetuo asservari jubet.

S. Peter is standing before an altar on which are books and a cross. In
front doctors are writing at a low table.

[A small picture between window and west wall.]

XI. BIBLIOTHECA PONTIFICUM.

_The successors of S. Peter carry on the library-tradition._

Romani pontifices apostolicam bibliothecam magno studio
amplificant atque illustrant.

A pope, his left hand resting on a book, is earnestly conversing with a
cardinal, whose back is half turned to the spectator. Another pope, with
three aged men, in background.

[A small picture on west wall.]

We will now return to the east end of the room, and take the
representations of Councils, painted on the east and north walls, in
chronological order.

I. II. CONCILIUM NICAENUM I.

(On east wall.)

_The first Council held at Nicaea_, A.D. 325.

S. Silvestro PP. Constantino Mag. imp. Christus dei
Filius patri consubstantialis declaratur Arii impietas
condemnatur.

_The burning of the books of Arius._

Ex decreto concilii Constantinus Imp. libros Arianorum
comburi iubet.

III. CONCILIUM CONSTANTINOPOLITANUM I.

_The first Council held at Constantinople_, A.D. 381.

S. Damaso PP. et Theodosio sen. imp. Spiritus Sancti
divinitas propugnatur nefaria Macedonii haeresis
extinguitur.

IV. CONCILIUM EPHESINUM.

_The Council held at Ephesus_, A.D. 431.

S. Caelestino PP. et Theodosio Jun. Imp. Nestorius
Christum dividens damnatur, B. Maria Virgo dei genetrix
praedicatur.

V. CONCILIUM CHALCEDONENSE.

_The Council held at Chalcedon_, A.D. 451.

S. Leone magno PP. et Marciano Imp. infelix Eutyches
vnam tantum in Christo post incarnationem naturam
asserens confutatur.

VI. CONCILIUM CONSTANTINOPOLITANUM II.

_The second Council held at Constantinople_, A.D. 553.

Vigilio Papa et Iustiniano Imp. contentiones de tribus
capitibus sedantur Origenis errores refelluntur.

VII. CONCILIUM CONSTANTINOPOLITANUM III.

_The third Council held at Constantinople_, A.D. 680.

S. Agathone Papa Constanti