2 24 



STRONG. 



EXPLANATION OF PLATE IX. 



Fig. 14. Longitudinal (frontal) section through the heart, showing the rami- 

 fications of the Rr. cardiaci X. 



Fig. 15. Vertical section through the pharyngeal epithelium, showing the 

 innervation of a taste bulb (end bud). X 315. 



Fig. 16. Similar to Fig. 15. 



Fig. 17. Vertical section through the epithelium of the roof of the pharynx, 

 showing the innervation of the multicellular glands of F. E. Schulze. X 155. 



Fig. 18. Section similar to Fig. 17, showing the superficial glandular nerve 

 plexus. X 265. 



Fig. 19. Similar to Fig. 18. X315. 



Figs. 20 and 21. Similar to the preceding and showing more precisely the 

 individual nerve endings. X 424. 



Fig. 22. Horizontal section through superficial glandular nerve plexus. X 192. 



Fig. 23. Vertical section through the epithelium of the roof of the pharynx, 

 showing the continuous superficial glandular nerve plexus where the glands are 

 continuous. X72. 



Fig. 24. Horizontal section through pharyngeal epithelium passing through 

 the cupula of a taste bulb. X 315. 



