BIGELOW: COAST WATER EXPLORATION OF 1913. 
275 
the copepod Metridia longa, which is more typically arctic than any 
of the preceding, is recorded from the Gulf for the first time. 
North- 
ern species, however, were not uniformly more abundant than in 1912, 
the reverse being true of Clione limacina (p. 305). 
| 
| Judging from the general distribution of the various species of Salpa 
n northern waters (Apstein, 1909) their occurrence in numbers was 
| 
| 
| 
DISTRIBUTION OF SALPA AND DOoLIoLuM. 
10-0 
Surface 
12-0 
10-0 
0 
15-0 
30-0 
25-0 
0 
Date 
7/10/13 
7/11/13 
7/12/13 
7/19/13 
“se 
7/20/13 
7/21/13 
“sé 
7/22/13 
7/23/13 
7/29/13 
7/24/13 
“se 
7/29/13 
7/30/13 
7/31/13 
“ee 
8/1/13 
8/12/13 
S. fusiformis 
ry 
09 
98 
Re bo 
Identified by W. F. Clapp. 
Table of occurrence. 
v. echinata 
n 
° 
= 
56 
B an 
S. tilesii 
f.= few =25 + 
S. democratica 
a} 
i 
ise} 
| 
) 
N 
a) 
. |agg. aa 
2 
33:0 18 
23) 1 
1 
if 
23 
29 
14 
tee? 
tT 
S. cylindrica 
agg. sol. 
S. confoederata 
agg. sol.) 
f. 
chains 
chains 
m. 
11 
23 
chains 
m. 
Doliolum 
00z. blast. 
12: 
m.= many = 100 + 
