Ontario Sessional Papers, 1913, . Fig. 1. Tallisneria spiralis. Reduced to one-third of the natural size. To the right,a runner with two young plants on it. There were two other runners with plantsattached, which have not been photographed. 14 IXCEEASE OF THE FOOD SUPPLY Xo. 72. Pig. 2. Potamogeton natans. Floating Pond-weed. Reduced to about one-half natural size. 1913 FOR DUCKS IN NORTHERX ONTARIO. 15

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Keywords: ., bookauthorontariol, bookcentury1900, bookdecade1910, bookyear1913