George G. Lewis, Typical School Journeys, Londres, Issac Pitman & Sons, 1909, p. 122.
Not improbably the apparently lifeless twigs will prove to be caddis « worms »- amongst the most interesting and instructive of the pond’s inhabitant.
George G. Lewis, Typical School Journeys, Londres, Issac Pitman & Sons, 1909, p. 122.
Not improbably the apparently lifeless twigs will prove to be caddis « worms »- amongst the most interesting and instructive of the pond’s inhabitant.