CEANIAL NERVES OF CAECILIANS 



543 



Figs. 41 and 42 Cross-sections of a late larval stage of Ichthyophis, right half ; 

 fig. 41 through the posterior part of the ear capsule, and the levator hyoidei 

 muscle; fig. 42 through the second gill-cleft and the laryngeal muscles. X 37.5 



