ITS TOPOGRAPHY 43 the open grass field, where the remains of ridge and furrow show that it underwent a period of enclosure and cultivation before it was restored to the Forest. Where the thicket is entered, at the farthest corner of the field, a tiny stream leaves it. Follow this up, keeping it on the right. Whenever the valley divides into two branches, which it does twice, follow the fork to the right. When it comes to an end pursue the same direc- tion, by compass, until, near some old gravel-pits known as " Wormleyton Pits," you emerge on a heather-clad space comparatively free from trees. From this point the Copped Hall group of Scotch firs, with a single columnar silver fir towering above them, to which I have referred in previous routes, is seen about half a mile in front. Taking this as a landmark, and steering as straight for it as the intricacies of the thicket will admit of, it will guide you past Ambresbury Banks to the point on the Epping road where the Waltham road leaves it. Follow the latter past the Copped Hall entrance gates, and Copped Hall Green to Wal- tham. This is a tolerably dry walk all the year round. ROUTE R THEYDON TO HANGBOY SLADE 41/4 miles to complete the circuit to Theydon From Theydon Station take the road to Debden Green. From its north-west corner a lane leads into the Forest. At the point where this is entered the small stream which flows from the valley of Hangboy Slade leaves it. If the course of this stream be followed upwards, keeping always near the bottom of the hollow, it will lead, in about a mile, to the Theydon road. Crossing this and the open heathery plain beyond it for 400 or 500 yards, turn to the right into the thicket, and, keeping a S.S.E, direction, i.e. parallel to the Theydon road, come out on to Theydon Green near the church. This very pretty circuit should