atio 
?pt J 
18-C 
175 
170 
165 
160 
155 
150 
145 
140 
135 
130 
125 
120 
11-5 
NO 
105 
lOO 
95 
90 
85 
80 
PACIFIC SCIENCE, Vol. XIII, January 1959 
details, as discussed below, 
analysis has shown that all series of 
1 contained night tows and in all, ex- 
ries 1, at least some of these were con- 
secutive. In addition, some species from the 
groups were captured in both day and night 
hauls. Two important facts were also demon- 
strated. First, fewer night than day tows are 
•6 -7 -8 
SALINITY - %». 
