Text-fig. 11a. 
Text-fig. 11 b. 
Text-figs. 11a, b. — View from the dorsal side of the lung of 
Polypterns (a) and Lepidosiren (b) to show nerve 
sujiply. ini. Intestine. 1. 1. Left lung. l.p.a. Left pul- 
monary artery, as. (Esophagus, ph. Pharynx, r. 1. Eight 
lung. st. Stomach, r.p.a. Eight pulmonary artery. XL Pul- 
monary branch of left vagus. Xr. Pulmonary branch of right 
vagus. 
