_ AIR SPACES IN LUNG OF CAT PLATE 1 
WILLIAM SNOW MILLER 
GD Lobule 1. 
a Lobule 2 
Gj Lobule 3 
Ea Atria 
(-} Ductuli alveolares 
a Bronchioli respiratorii b 
[9 Bronchioli respiratorii a 
GB Bronchiolus 
479 
JOURNAL OF MORPHOLOGY, VOL. 24, No. 4 
