Charring wood, importance of, [33], 50
Chub, suitable water for, [18]
Coarse fish, [88]-92
ova of, [90]-1
Colorado River trout, [77]
Columbia River trout, [77]
Conchifera, [12]
Covers for rearing ponds, [31]
Creatures, aquatic, serving as food for fish, [10]-2, [61]-6
Crowfoot, water, [13]