— 
L459 — 
BETWEEM STATIONS 8& & 90 
17° oW# s.. 152° 58° W..March 23,, 1929 
ORT TIE NAA SEU HO ERA ORIEN oar Mie A IL Fr AARON A ett METI OC TE MEMO NRERO TE AmB Eee MEY MRC YPC LS RATES 
rr 
i\Volume of tow em 
|Time or tow Ts 50- 1OPM 
Meartia. eis 
|Acrocalanus gracilis 
monachus: 
‘Calanus minor 
Calocalanus pavo 
\Candacia aethiopica 
bispinosa 
| norvegica 
| simplex: 
\Centropages calaninus: 
Clytemnestra rostrata 
Corycaeus catus 
| crassiusculus 
furcifer 
fongistylis 
pacificus 
pumillus: 
speciosus 
‘Eucnaeta acuta 
| marina 
‘Euchirella brevis 
\Farranula carinata 
Acartia negligens 
So * 
REMARKS. This nocturnal tow yielded forty-six species, about 
eee waned 
a" 
| 
| 
| 
eR ee oe 
Wen OWnN RINE AZO OnMUNRN CS 
hg 
| 
in 
t 
# 
; 
{ 
+ 
5 
' 
| 
' 
$ 
: 
: 
“Length ‘of ‘tow ,miles: 
(46 species) 
WS eS AN RRRO Oe wi ey OA tn OD Ma ee eee EGP OTERO nag Sy elder atenraeey 
eS vO ame VTL. ere ernnren Vomenee er oA RPA A Ee MN He PENNE Partie nse pang nna 
Farranula gibbula 
gracilis 
rostrata 
Labidocera detruncata. 
Lucicutia clausi 
Macrosetella: gracilis 
oculata: 
Microcalanus pygmaeus 
Microsetella norvegica 
rosea 
Neocalanus robvustior 
Oneaea curta 
media 
minuta 
venusta 
Paracalanis parvus 
Pontella securifer 
Pontellina plumata 
Saponirina auronitens 
Spinocalanus magnus 
Calocalanus plumulosus 
Undinula vulgaris 
eestanue PaReae. 
Se eg ERP, wee fe AS LE Nt tne ee ee ein Rt ka GTO, 
were obtained in both tows at each of tne stations $9 and 90+ 
species which were confined to the 50-—meter 
or both, were here found at 
here present at the surface 
of the two day-time tows at 
the su 
faces 
as 
+, 
etn ede ar - 
RAHM HHHY OB MHNHREONDMHHOAR 
| 
L 
| 
| 
many as 
Eighteen 
tow at stations 89 and 90,. one 
In addition twelve species were 
in the night time, which did not appear in either 
Stations 89 and 90 
Thirty of the species, 
therefore, out of the forty-six give good evidence of nocturnal migratione 
Corycaecus, Farranula and Oncaea were especially abundant in this 
tows 

