204 
PACIFIC SCIENCE, Vol. XIV, July 1960 
8* 
u 
fcJO 
G 
O 
H 
(Si 
Oh 
<s5 
X 
<U 
03 
X 
•S jy 
~ Oh 
04 O 
O W 
O Oh 
O '-S-H 
O 
.2 <u 
Oh 
sS U 
U <u 
M-H •£} 
o ^ 
<u 
d -d 
•2 2 
& o 
u 4 _, 
£> £ 
<u ‘d 
JG M 
H 8 
- £ 
CN £ 
Oh 
