Explanation of Plates. 
223 
EXPLANATION OF PLATES. 
PLATE III. 
Fig. 1. 
. 2 . 
3. 
4. 
5. 
6 . 
7. 
8 . 
9. 
10 . 
11 . 
12 . 
13. 
Diaptomus sangumeus —terminal joints of male anten¬ 
na x 163. 
fifth feet of male x 163. 
firth foot of female x 163. 
leptopus —fifth foot of female x 163. 
fifth feet of male x 163. 
pallidus —fifth feet of male x 300. 
fifth foot of female x 300. 
sicilis —fifth feet of male x 163. 
pallidus —abdomen of female x 300. 
sicilis —fifth foot of female x 300. 
ashlandi —fifth feet of male x 163. 
fifth foot of female x 163. 
terminal joints of male antenna 
x 300. 
PLATE IY. 
Fig. 1. Diaptomus minutus —fifth feet of male x 163. 
2. “ “ fifth foot of female x 300. 
3. “ terminal joints of male antenna 
x 300. 
4. “ oregonensis —fifth feet of male x 163. 
5. “ “ fifth foot of female x 300. 
6. Epischura lacustris —abdomen of male x 92. 
7. Limnocalanus macrurus —abdomen of male x 40. 
8. Cyclops cimericanus —abdomen of female x 58. 
9. “ “ fourth feet x 163. 
10. “ “ fifth foot x 300. 
11. “ brevispinosus —furca x 163. 
12. “ “ fourth foot x 163. 
13. “ navus —abdomen of female x 68. 
14. “ “ fourth foot x 163. 
15. “ “ fifth foot x 300. 
