VOCALISATION AND VOWEL-PRODUCTION 49
YWal In (or properly,
jwrhaps, 11 knowledge of the vocal prtnvKHew) may tend
lit degree In counteract physical
AH for tltr exercise* themHdvett, It in
evident any of practice
of the til the
of a fiartiriikr form of
It IH que*4ioualiU% a in
of this particular form t»f would
IH» of any to the MUintnerer. The
UHiUH'tuted with thew vtn:ul
tif courae, UNU! t<i a IrrnjKiniry in-
nf tlir lUMHiHtit* imagen*'^ Practice of
the direct indirec.t at lark tht*
inuges <if cleiti^te linci
In tiiln jir«w tHrnelktal. The of the
prove In
the cif #t
of the On thv other the prac*
litre of the inttmsify
in Tin* vari-
fur flu? **rlii:k of the glottiH*'
the motor couki of
bt* In particular
"• ITic of probably
the acouMic. ;
a la
'' The nf