r.ir"'?^' "^ 
I.,,. 8. — N.,RMA.. AV.AN PR.\.„R\ A\^ .,L^^\^r^R\ .-^^.h...^,. N^it .HE i.i.,,ICACY OF 
THE SEPTAL PROLONGATJONS THAT BOUND THE PRIMARY ALVEOLI, ALL OF WHICH ARE 
WIDELY OPEN. 
