OPERCULUM (TURNED FoRwARd") 



C- I L L RAKERS ON FIRST CILL ARCH 

 C-ILL FILAMENTS 



Position oF lowELR pharyno-eal BonE 

 Shoulder G-iRDlE 



TOOTH BOWS 



THE phar^nO-eal teet« 



LOWER. PHARYNGEAL BONE 

 (.ENLARGED) 



PREMAXILLARY 

 — VOMER 



Palatine 



r»n o u T H 

 L ATE R AL tooth 



SMALL INFERIOR TEEtH 



FiS>H - Roof of mouth 



LAMPREY — Buccal d\Sc 



FREE JOINED 



T" O 1ST HMDS 



HOnOC t RC A L 



H ETE ROCE RCAL 



CrILL MEMBRANES, 



TYPES OF TAIL. 



257 



