Plate XLIV 



Figs. 12-14. Camera lucida outlines of the oral epithelium in frontal section, at 

 the angulus oris, at the orbital angle, and in the caudal segment of the 

 buccal sulcus, from an 11. 5 millimeter embryo. Columbia Collection, 

 No. 251, X 80, reduced to |. 



7. Orbital inclusion, pars lata. 



8. Orbital inclusion, pars cylindrica. 

 29. Lingual sulcus. 



4S. Lingual nerve. 



y6. Meckel's cartilage. 



60. Palate process. 



63. Ectopalatine sulcus. 



64. Superior dental anlage. 



65. Inferior dental anlage. 

 6/. Mandibular nerve. 

 68. Maxillary nerve. 



6q. Buccomasseteric nerve. 



