174 GEO. S. HUNTINGTON 
upper lobe, are too closely approximated on the bronchial tree 
to admit of much additional peripheral unfolding of their ter- 
minal branches. 
D4.) 
J 
v5 (v—) 
iy, > 
Li 
vé (VID 
ee VIVID) / 
Figure 14 
The right stembronchus has never lost its archeal inherent 
potency of inaugurating bronchial proliferation from any part 
of its circumference. Its dorso-lateral surface in the stretch be- 
tween the origin of V' and the tracheal bifurcation is an especially 
