Plate LXXI 



Fig. io6. Reconstruction of a portion of the oral epithelium of the 35 millimeter 

 embryo. Columbia Collection, No. 90. \'entrolateraI view, X 80, re- 

 duced to |. 



Fig. 107. Schema of dorsal view of the same reconstruction, § actual size, showing 

 the derivatives of the buccal sulcus. 



2. Angulus oris. 



6. Orbital inclusion. 



12. Parotid. 



i~. Orbitoparotid. 



20. Anlage of first orbital gland. 



21. Anlage of second orbital gland. 



22. Anlage of third orbital gland. 

 24. Inferior alveobuccal anlages. 

 JO. Submaxillary duct. 



J2. Submaxillary condensation in the mesenchyme. 



jj. Greater sublingual duct. 



34. Inferior maxilla. 



5(5. Meckel's cartilage. 



64. Superior dental anlage. 



7j. Masseter muscle. 



