The Structure of the Mammalian Csophagus. hg) 
ticularly valuable, the mucous cells staining red in this method, 
the demilunes violet. This method also shows well the intercellular 
secretion capillaries, although the iron hematoxylin method is pref- 
erable. The demilunes show the typical arangement as seen in 
the submaxillary gland and are provided, as indicated above, with 
Fic. 8. Drawing of an entire gland from cesophagus of dog, showing tubulo- 
acinous character and mode of branching. 
intercellular secretion capillaries resembling in every respect those 
found elsewhere (Fig. 7). 
The shape and mode of branching of the gland is well shown in 
Fig. 8 drawn from a preparation stained in toto. 
Procyon Loror. 
As in the dog, there is, in the raccoon, in the lower part of the 
pharynx, a circular fold of mucous membrane which projects into 
