mb 40

No. 18—Platysma myodioa: Thfa ia a thin aheot ot muacle which runa trom the lowcr face down to the front of the body. Many an imała h»vo a corre-tpondinjr tnuscle ovcr most of the body. They can twitch their skin all Oo-cr, just as wc can twitch the skin cf the ncck. The rkin of the ehest on> *>C pulled up nearly an inch. af ter one fcasbccomea little practtod in •the uso of thic muscle aa a w hole.