Plate LXXXII 



Figs. 147-149. The attachment of the submaxillary duct m a ig milHmeter 



embryo. Columbia Collection, No. 253. Serial sections at intervals 



of 40 and 267 /x, X 115, reduced to 5. 

 Figs. 150-152. The same in another ig millimeter embryo. Columbia Collection, 



No. 276. Serial sections at intervals of 13.3 and 133 /u, X 115, reduced 



toi 



2Q. Lingual sulcus. 



JO. Submaxillary anlage. 



joa. Intermediate element. 



ji. Postglandular flange. 



3J. Greater sublingual anlage. 



jS. Tongue. 



4j. Palatolingual plane. 



44. AIveoKngual region. 



4j. Palatomandibular plane. 



46. iVIaxillumandibular plane. 



5;. Mylohyoid muscle. 



j2. Genioglossus muscle. 



jj. Geniohyoid muscle. 



j4. Inferior maxilla. 



5(5. Meckel's cartilage. 



60. Palate process. 



62. Ectopalatine sulcus. 



64. Superior dental anlage. 



dj. Inferior dental anlage. 



20. Inferior dental nerve. 



