Mervin T. Sudler 



401 



oesophagus is shown as a rounded body and the cavity does not exhibit 

 the typical Maltese cross shape as described by Minot/" 



The trachea can be seen between the oesophagus and the 4th visceral 



H^/n 



Fig. 7. Lateral view of the model of the pharynx of embryo CIX. Magnified 15 

 diameters. The embryo is represented as transparent. Hyp., hypophysis ; L., rudi- 

 ment of larynx; N., nasal cavity; Oe., oesophagus; Thym., thymus; Thyr. m., 

 median thyroid rudiment; Tr., trachea; V. P.'', V. YJ' and V. P.'^, first, second 

 and fourth visceral pouches. 



pouch. At this level a section of it resembles a rounded bean with 

 the hilum facing dorsally. Seen from above (cephalic) the model re- 



'" Charles Sedgwick Minot: Human Embryology. New York, 1892. 



