ee ab “a * —_— 
THE DEVELOPMENT OF THE LUNGS. 
PH MA ALL te 
JOSE = RSHALL FLIN ‘ Sey ee 
-———— == 
Vé- ey > L6 
ED 10 
| 
AMERICAN JOURNAL OF ANATOMY. VOL Vi. 
Lith. Kunstanstalt v Friedr. Sperl, Wien Ilr 
