FORMATION OF STAPEDIAL PLATE 



Col Fac 0*cst Aud 



97 



P 'ntj Int.car. 



^Qtcst. G.g Int.j. Int.car. Qudr. Sq 



Earn. 



Epbr. E. Col. 



THE JOURNAL OF EXPERIMENTAL ZOOLOGY, VOL. 23, NO. 1 



