166 
Marsh—Limnetic Crustacea of Green Lake. 
SERIAL COLLECTION. No. 13.96. 
Made at G-reen Lake,.Aug. 3. 1896, 6-6:40 p. m., 
with.closing dredge. 
at permanent station.4; .depth 43.5 m.;. 
water, . *_small waves;.wind.s w.;.sky .. clear;. 
temperature, air .. .83;... temperature, surface,.. 75; ... temperature, bottom... 43; ... 
Observed Diaptomi, D , minutus, C. fluviatilis egg-bearing. Much fine sand in collec¬ 
tion : is explained perhaps by the high wind earlier in the day. 
Names. 
0-5 
5-10 
10-15 
15-20 
20-25 
25-30 
30-35 
35-40 
40-45 
45-50 
50-55 
55-60 
Total 
Diaptomus sicilis... 
“ Ashlandi 
“ minutus 
“ oregonensis 
Epischura lacustris. 
Limnocalanus mac- 
rurus . 
760 
1,192 
272 
40 
140 
14 
11 
75 
4 
2,508 
16 
4 
10 
1 
30 
29 
4 
8 
1 
2 
13 
Cyclops brevispino- 
sus. 
‘ ‘ pulchellus.. 
“ Leuckarti.... 
4 4 albidns. 
“ fluviatilis. .. 
4 4 serrulatus 
72 
72 
32 
6 
182 
Cyclops larvae. 
160 
4 
12 
56 
12 
8 
6 
4 
1 
8 
6 
2 
180 
5 
84 
67 
36 
Leptodora hyalina. 
Daphnia kahlberg- 
iensis. 
16 
40 
2 
8 
3 
Bosmina. 
JDaphnella. 
24 
Mysis relicta. 
Pontoporeia Hoyi.. 
Notholca . 
Nos 
Ceratium.. 
