jKuyr.^ou/m. ^. nXff/JsM. II. 



Fuj.J. 



Fiof. Z. 



F^.S. 



V 



n 





Fi^.S. 



Fc^.^. 



■ Emar^inaiiOTv 

 TTiarkmq ihe^posiiiorv 

 \ of the cvoffi/vcUiorL- 

 \ whLchforms the.- 

 stomaxh^. e^. 



Ketroudcr muscles 



(Esophagus 



Folypidt-bud.; 





Fig. S. \ 



U 



S F Harmer del 



7 HMlh.WK Zdio' 



