Fig. 36. 
Fig. 35. 
Fig. 33. 
Fig. 32. — Sagittal section through oral e.xtremity: c. e.p., cecal extremity of pharynx; es., esophagus: 
m.. mouth; o. pap., oral papillse; p.. lumen of pharynx; p. b., lumen of pharyngeal pouch; a-a. b-b, 
c-c. d-d, planes of section. Enlarged. Original. 
Fig. 33.— Transverse section through plane a-a of figure 32, showing pharyngeal lumen (p. ). Enlarged. 
Original. 
Fig. 34. — Transverse section through plane b-b of figure 32, showing pharyngeal lumen (p.) and aper- 
ture of pharyngeal pouches (p. b.). Enlarged. Original. 
Fig. 35.— Transverse section through plane c-c of figure 32, showing cecal extremity of pharynx 
{c. e. p.): beginning of esophagus (es.) and aperture of pharyngeal pouches (p. b.). Enlarged. 
Original. 
Fig. 36. — Transverse section through plane d-d of figure 32, showing relative positions of esophagus 
(es.) and pharyngeal pouches (p. 6.). Enlarged. Original. 
