THIRD WEEK IN APRIL 45 
immovable, or with only a very occasional 
change of position to ease his limbs, for hours 
at a time, a very model of patience, and almost 
invisible, squatting in the grass, the colours 
of which he much resembled. Short shrift 
would poor froggy have had if a heron had 
Gomes tere. ..(One ‘day, /atinighted: ate my 
sudden approach, he dived into the pond, 
swam to the bottom and plunged into some 
thick silkweed there, hiding himself com- 
pletely, as he thought, but I could still see 
Mise back. ~l “timed “his stay, under water, 
and have done so under similar circum- 
stances on other occasions. He remains 
quiet for about three to five minutes, then 
straightens himself up for a swim, and has 
to come to the surface to breathe at the end 
of the fifth or sixth minute.) The goldfish 
near him in the water would not be there long 
elther did <a “heron ‘catch sight” -of° him! 
Strangely incongruous does this parasitism 
seem, one creature subsisting on the other. 
Yet this universal law holds good. The 
greater preys upon the less, until in the de- 
