Plate LIV 



Figs. 38 and 39. Same embryo as preceding figures. Frontal sections passing 

 through the Ungual crossing (38) and the submaxillary anlage (39), X 

 35, reduced to /(,. 



JO. Submaxillary anlage. 

 4J. Hypoglossal nerve. 

 48. Lingual nerve. 



