RESPIRATORY SPACES OF THE LUNGS 367 
Figs. 19 to 23. Diagram of muscle bundles in free edges of septa in the lung 
of Megalobatrachus japonicus. 
Fig. 24 Diagram of muscle bundles in free edges of septa in the lung of 
Clemmys. 
THE AMERICAN JOURNAL OF ANATOMY, VOL. 27, NO 3 
