136 
BULLETIN OF THE BUREAU OF FISHERIES. 
Table 13 . — Geographical distribution of plankton Crustacea in lakes examined. 
Species. 
Bear 
Lake, 
Idaho, 
Aug. 8, 
1912, 
10 a.m. 
Henry 
Lake, 
Idaho, 
Aug. 10, 
1912, 
10 a.m. 
Stanley 
Creek, 
3 p.m. 
Marsh, 
11 a. m. 
Payette 
Lakes, 
Idaho, 
Aug. 15, 
1912, 
2.30 
p. m. 
Lake 
Coeur 
d’Alene, 
Idaho, 
Aug. 21, 
1912, 
9 a. m. 
Lake 
Chat- 
colet, 
Idaho, 
Aug. 22, 
1912, 
10 a. m. 
Marsh, 
1 p.m. 
St. 
Maries 
River, 
at St. 
Maries, 
Idaho, 
Aug. 24, 
1912. 
Bosminalongirostris var. brevicomis O. F. Muller 
X 
X 
x 
X 
X 
X* * * * 
Canthocamptus northumbricus var. americanus 
Herrick 
X 
Ceriodaphnia pulchella Sars 1862 
quadrangula O. F. Muller 1785 
Chydorus sphaericus O. F. Muller 1785 
X 
X 
X 
X 
x 
x 
X 
X 
X 
X 
X 
viridis var. parcus Herrick 1882 
X 
Daphnia longispina O. F. Muller 1785 
longispina var. hyalina Leydig 1860 
Diaphanosoma brachyurum Lieven 1848 
leuchtenbergianum Fiscber 1850 
x 
X 
X 
x 
x 
x 
X 
x 
X 
X 
X 
X 
Diaptomus ashlandi Marsh 1893 
leptopus Forbes 18S2 
X 
shoshone Forbes 1893 
sp. (no mature males) 
X 
X 
Epischura nevadensis Lillieborg 1889 
Eurycercus lamellatus O. F. Muller 1785 
X 
X 
X 
Gammarus limnaeus Smith 1871 
X 
Hyalella knickerbockeri Bate 1862 
X 
Polyphemus pediculus Linn6 1761 
Scapholeberis mucronata O. F. Muller 1785 
X 
X 
X 
X 
X 
Simocephalus vetulus O. F. Muller 1785 
X 
Species. 
Marsh. 
Hayden 
Lake, 
Idaho, 
Aug. 25, 
1912, 
10 a. m. 
Wright 
Lake, 
Idaho, 
Aug. 25, 
1912, 
2 p.m. 
Lake 
Pend 
Oreille, 
Idaho, 
Aug. 27, 
1912, 
10 a.m. 
Medical 
Lake, 
Wash., 
Sept. 2 
1912, 
11a.m. 
i 
Spring. 
Little 
Medical 
Lake, 
Wash., 
Sept. 2, 
1912. 
Clear 
Lake, 
Wash., 
Sept. 2, 
1912, 
9 a.m. 
Fish 
Trap 
Lake, 
Wash., 
Sept. 1, 
1912, 
11a.m. 
Alona costata Sars 1862 
X 
guttata Sars 1862 
x 
Bosmina longirostris var. brevicomis 0. F. Muller 
1785 
Ceriodaphnia pulchella Sars 1862 
x 
x 
x 
quadrangula O. F. Muller 1785 
x 
Chydorus sphaericus O. F. Muller 1785 
x 
x 
Cyclops bicuspidatus Claus 1857... 
x 
X 
x 
x 
X 
serrulatus Fischer 1851 
x 
Daphnia longispina var. hyalina Leydig 1860 
pulex De Geer 1778 
x 
x 
x 
X 
x 
x 
x 
x 
Diaphanosoma leuchtenbergianum Fischer 1850.. 
Diaptomus ashlandi Marsh 1893 
leptopus var. piscinae Forbes 1893 
sicilis Forbes 1882 
x 
x 
x 
X 
signicauda Lillieborg 1889 
tenuicaudatus Marsh 1907 ....... 
X 
female (probably oregonensis) 
Epischura nevadensis Lillieborg 1889 
Eurycercus lamellatus O. F. Muller 1785 
Leydigia quadrangularis Leydig 1860 
X 
x 
X 
X 
x 
Simocephalus vetulus O. F. Midler 17S5 
X 
