ing note of it in his
Virgil; we find him again at Rome in 1350, and after moving from place to
place settled in Arqua in 1370, where he died; his Latin works are
numerous, and include an epic on the Second Punic war, Eclogues, Epistles
in verse, and Letters of value giving the details of his life; his fame
rests on his lyrics; by those alone he still lives, and that more from
the finished art in which they are written than from any glow of feeling
they kindle in the reader's heart (1304-1374).

PETRI, LAURENTIUS, a Swedish Reformer; was a disciple of Luther;
became professor of Theology and first Protestant archbishop of Upsala,
and superintended the translation of the Bible into Swedish (1499-1573).

PETRIE, FLINDERS, Egyptologist, son of an Australian explorer; after
explorations at Stonehenge, surveyed the pyramids and temples of Ghizeh
in 1881-82; excavated for the Egyptian Exploration Fund Nankratis, Am,
and Defenneh; has achieved many other important works of the kind, and
issued a popular work, "Ten Years' Diggings in Egypt"; _b_. 1853.

PETRIE, GEORGE, Irish archaeologist, born in Dublin, of Scottish
parentage; bred to art; executed Irish landscapes, but is best known for
his "Essay on the Round Towers of Ireland," a work of no small interest
(1790-1866).

PETROLEUM, is the common name of a series of rock oils found in
large quantities in the United States and Canada, near Rangoon, and in
the neighbourhood of the Caspian Sea. The oil issues from the rocks, or
is drawn from subterranean reservoirs, where its presence is supposed to
result from natural distillation of vegetable and animal substances, and
after refining, put in the market as benzoline, paraffin, and lubricating
oil. It is extensively used in the industries, and has been applied as
fuel to steamships.

PETROLEUSE, was a name given to certain Parisian women of the
Commune of 1871, who poured petroleum on the Hotel de Ville and other
buildings to burn them.

PETRONIUS, a Roman satirist and accomplished voluptuary at the court
of Nero, and the director-in-chief of the imperial pleasures; accused of
treason, and dreading death at the hands of the emperor his master, he
opened his veins, and by bandaging them bled slowly to death, showing the
while the same frivolity as throughout his life; he left behind him a
work, extant now only in fragments, but enough to expose the abyss of
profligacy in which the Roman world was then sunk at tha