12 have been a genuine decrease in numbers once again. This may be a consequence of rather patchy increase in rabbit numbers in the county, although populations of other prey items including mice, voles and birds seem more stable. It may, therefore, be that the stoat, unlike the weasel, is not sufficiently adaptable, or it may reflect a general increased pressure on the "prey pool" by other predators. It now seems necessary to make a real attempt to determine the true position of the stoat in the county and it is hoped that more information on this species will be forth- coming . FIONA HUGHES FLIES AND DUNG The only thing that you are sure to find if you walk through the countryside with your eyes shut is dung. And every heap of dung has its residents - on it, in it and under it On it we will find adult flies, in it larval flies and quite often beneath it fly pupae. The flies that inhabit dung are many and varied and in these brief notes I hope to take the reader on a short visit to the enchanting world of the dung flies. Dung flies are far more important than you would think. Without them we wouldn't just step in it occasionally, we would be up to our necks in it, and probably beyond.