Riflebird

3999

RigeJ

process. In the manufacture of firearms, es-
lA'dally if they are of a military type, it is
absolutely essential that every one of each
part shall be as nearly identical as possi-
ble with the others of the same kind. This
provides for interchangeable parts, pre-
vents waste, and permits greater and more
economical production. See FIREARMS;
GUNS; SHOOTING; AMMUNITION; BULLET;
TARGET.

Riflebird, or Rifleman (Ptilhoris para-
diseits), a bird of paradise found in North-

has many manufacturing establishments. The
chief exports are flax, hemp, timber, butter,
eggs, grain, hides and skins. Industries in-
clude machine works, breweries, distilleries,
saw mills, and oil mills.

Riga was founded in 1201 by Bishop Al-
bert I. of Livonia, and was settled largely
by Germans. It was taken by Sigismund n.
of Poland in 1547, by Gustavus Adolphus of
Sweden in 1621, and by Peter the Great of
Russia in 1710. During the Great War of
Europe, Riga became the objective of a

0 i$i8t by International Film Service, Inc.

Browning Automatic Rifle.
(It may also be fired from the shoulder.)

ern Australia and New Guinea. It is a hand-
some bird, between n and 12 in. in length,
with a long, curved beak.

Riga, capital and chief town of the republic
of Latvia, situated on the Dvina River, 9 m.
from its mouth in the Gulf of Riga. In the
old town, which still preserves the aspect of
a mediaeval city, are the Town Hall, dating
from 1750; the house of the Black Heads of
Riga, founded in 1330 as a club of foreign
merchants; the Domkirche, or St. Mary's
Cathedral, originally built in 1215, rebuilt in
tthc 16th century, and restored since 1880.
Educational institutions include Latvian Uni-
versity, and City College.

Riga is the industrial center of Latvia and

number of attacks by the German land and
sea forces. In 1917 the Russians evacuated
the town and German warships entered the
Gulf of Riga. Latvian independence lasted
•from. 1918 to 19405 p. 393,000.

Rigadoon, a lively dance with a jumping
step, danced to music written in ^ °r com-
mon time. It was popular in France during
the 17th century, and was subsequently in-
troduced into England.

Riga, Gulf of, or Gulf of Livonia, an
inlet on the e. side of the Baltic Sea, which
washes the shores of Livonia and Estonia. It
is 100 m. in length from n. to s., and about
80 m. in breadth,

Rigel (B Orionis), a helium star of 0.3