N. Vagus 



A 



Left Lung of A 



'''ght Auricle' 



Left Lung of A 



Aorta of A 



Art. Pulm. to 

 Left Lung of A 



Semilunar Valves 

 Subol Vein ? 

 (left of A 



Left Auricle 

 Left Aur-ventr. Opening 

 Right Aur-ventr. Opening 



Fig. 14 



Right Lung of B. 

 Pulm. Vein 



Ligament, 

 not Pulm. Vein 



Right Lung of B 



Right Auricle 



Fig. 15 



A 



Left Aur-vent 

 Opening 



Post. Vena Cava 

 (Laid open' 



B 



Right Aur-ventr 

 Opening 



Left Lung of A. 



of 

 Right Auricle 



Fig. 16 



Right Lung of B. 



Fig. 17 



Fig. 14. Baldwin Synote, Teras III. Heart of imperfect side; outer aspect, 

 sectioned longitndiniilly to siiow ttie interior of the chambers. Component A 

 is on the right of the figm'e, B on the left. The small lung on the side of A, 

 confined to the region of the auricles and the larger vessels, is the left lung 

 of A ; the one on the opposite side, represented by three lobes, is the right 

 lung of B. Compare with Fig. 17. 



Fig. 15. Baldwin Synote, Teras III. Heart of imperfect side ; inner 

 aspect. 



Tr., trachea ; X, pneumogastric nerve. 



Fig. 16. Baldwin Synote, Teras III. Heart of imperfect side ; inner 

 aspect, with the auricular region laid open. 



Fig. 17. Baldwin Synote, Teras III. Lungs of imperfect side, the left of 

 A and the right of B ; outer aspect, with heart removed. The two arrows 

 denote the entrance of the pulmonary arteries. The numbers designate fhe 

 lobes. Compare with Fig. 14. 



