28 THE ESSEX NATURALIST. mentioned, there is one in Pyefleet Channel and another off Bradwell Quay. In this period we find also the earliest refer- ence to such species as the Bullfinch, Song-Thrush, Blackbird, Hoopoe, Kestrel, Red Kite, White-tailed Eagle, Shelduck, Cormorant and Lapwing. The inclusion of the Canary and the Cormorant in the household expenses of Sir Thomas Barrington calls for amplification. Prof. Newton states that the Canary seems to have been imported into Europe very early in the 16th century. In mediaeval days the Cormorant was commonly used in England for fishing, and the Royal household included the Master of Cormorants. Although this method of fishing has disappeared from Britain it is still practised in Eastern waters. It is impossible to say if the Cormorants were hired by Sir Thomas Barrington for the purpose of sport or utility. The 18th century brings to our notice the existence of a second heronry, and from an advertisement we gain knowledge of the former existence of the Great Bustard, which was probably breeding. In ornithological times this bird has been recorded reliably on only three occasions. It is unfortunate that so few records were handed down to us of what was taken at the decoys. What information we have shows that the Wigeon was the commonest winter duck of the Essex coast as it is to-day, although it is probably now decreased. From this source we have learned that a remarkable change has taken place in the habits of this duck, for in the early part of the 18th century most Wigeon appeared in September and October, whereas 150 years later January, February, and in lesser degree March, were the favoured months. It is probable that the Pochard was a much commoner bird in those days along the coast, for to-day it is not seen there in great numbers. The list of other birds from the decoys, although it does not tell us much, furnished the only occurrence of the Ferruginous Duck and records of such unusual birds as Long-tailed Duck, Smew, Storm-Petrel, and Spotted Redshank. Towards the close of the 18th century we find information relating to such game-birds as Partridges, Red- legged Partridges, Woodcock, Quail and Pheasant. Finally the earlier part of the 19th century gives us the earliest evidence of the occurrence of the House Sparrow in large numbers. In our search for information we have delved deeply into the past and explored many curious avenues. The potential sources