﻿18 
  

  

  GEUPFKKY 
  SWITH. 
  

  

  liyoid 
  (atap.) 
  lias 
  approached 
  quite 
  near 
  to 
  the 
  auditory 
  

   capsule, 
  while 
  the 
  latter 
  shows 
  no 
  sign 
  of 
  sending 
  au 
  out- 
  

   growth 
  to 
  meet 
  it. 
  

  

  

  

  Fig. 
  5. 
  — 
  Longitudinal 
  section 
  tli 
  rough 
  six-day 
  chick. 
  

  

  In 
  the 
  six-day-chick 
  the 
  top 
  of 
  the 
  hyoid 
  has 
  fused 
  with 
  

   the 
  auditory 
  capsule, 
  both 
  being 
  still 
  in 
  the 
  pro-cartilaginous 
  

   condition. 
  This 
  is 
  shown 
  in 
  Figs. 
  5 
  and 
  6. 
  Fig. 
  5 
  shows 
  the 
  

   seventh 
  nerve 
  crossing 
  the 
  hyoid 
  above 
  the 
  constriction 
  in 
  

  

  