15 Our blackbird was enjoying the remains of the apples. Things had quickly returned to normal. I had detected no change in the temperature, but the next day the thaw started. Now it is February and the weather has turned a lot milder, and with the lengthening days our old bird is fighting off the other cock birds, who have more in mind than the pleasure of eating a few bits of apple. A pair of dunnocks are prospecting a privet bush quite close to the house, and starlings visit much more than they did in the cold weather, probing the lawn with their sharp bills. The lame thrush has not been seen for several weeks now. I wonder if the fieldfare has joined up with some of his own kind, or perhaps, a flock of redwings, beginning to make their way back to the breeding grounds. It will soon be time for them to make this hazardous journey. I hope he makes it. He was a terror in our small urban garden, but a joy to watch, his beautiful colouring intensified against the white snow. Nancy Bath DALDINIA CONCENTRICA "CRAMP BALLS" If you find a roughly spherical, smooth, dull black growth, an inch or two in diameter, growing on a beech (Fagus sylvatica), ash (Fraxinus excelsior) or birch (Betula "pendula) it will probably be the curious fungus Daldinia concentrica. You can confirm that it is this common species by breaking it in half and seeing the concentric light and dark rings inside it which give it the specific name concentrica (1). In the autumn when the black powdery spores are being shed, and in the winter, the fungus is hard and dry and