Page:The Life of the Fields, Jefferies, 1884.djvu/193

Rh hearing he is still circumscribed and limited to the groove of the brook. The birds fly from field to field, from valley to mountain, and across the sea. Their experience extends to whole countries, and their opportunities are constant. How much more fortunate in this respect than the jack! A small display of intelligence by the fish is equivalent to a large display by the bird.

When the jack has been much disturbed no one can do more than obtain a view of him, however skilfully he may conceal himself The least sign of further proceedings will send the jack away; sometimes the mere appearance of the human form is sufficient. If less suspicious, the rod with the wire attached—or if you wish to make experiments, the rod without the wire—can be placed in the water, and moved how you choose.