During
the
yeras
at
the
end
of
the
ninetheen
and
beginning
of
the
twentieth
centuries
____________________
____________________
was
emerging
independently
,
and
in
a
very
different
syles
.
Then
____________________
____________________
appeared
on
the
scene
in
the
late
of
1950s
.
The
____________________
tended
to
think
of
abstract
linguistics
theorizing
as
a
means
to
the
end
of
succesful
practical
description
of
particular
languages
.
But
the
man
who
is
nowdays
taken
as
principal
representative
of
the
Descriptivist
school
is
____________________
____________________
.
Bloomfield
linguistics
was
a
branch
of
psychology
known
as
____________________
.
A
____________________
is
by
definition
something
which
concentrates
on
the
relatively
constant
factors
in
the
range
of
phenomena
with
it
is
concerned
,
while
ignoring
the
many
features
that
are
peculiar
to
single
individual
instances
.
