Plate IX 



Fig. 20. Human adult. Dorsolateral view of tonsil, peritonsillar, isthmian, pala- 

 tine, and pharyngeal glands. The mouth and pharynx are distended 

 by a preliminary hardening injection. Columbia University Morpho- 

 logical Museum, No. 2140. 



j'. Isthmian glands, 



j". Palatine glands. 



5. Parotid duct. 



9. Labial glands. 



/(). Pharyngeal glands. 



12. Peritonsillar lymphoid foUicles. 



4(1. Pharynx. 



41. Pharyngeal tubercle. 



42. Tonsil. 



