312 THE ZOOLOGIST. 



had been seen flying from out of the hole, had perched on a tree close 

 by, and it was not long before it was being mobbed by Carrion- 

 Crows. Some Ring-Ouzels, Wheatears, and a Woodpecker were 

 noticed, whilst just before returning a Redstart was seen. May 7th 

 we cycled to Penmon, but on arriving it started to rain so we did not 

 stay there very long. However, at the cliffs we saw a pair of 

 Peregrine Falcons and also five Gannets, but these latter do not 

 breed here. A colony of Kitti wakes breed here on Trwyn Dinmor, 

 and on this day they were flying together a little out at sea. We 

 again visited Penmon the following Saturday. As we neared our 

 destination we perceived a Stonechat flitting about some gorse 

 bushes, so we immediately dismounted and went in the direction of 

 the spot. When walking through the long grass we flushed a 

 Skylark from its nest containing three eggs. Soon the Stonechat was 

 joined by its mate (the hen), and together they were very excited at 

 our intrusion. After a long vain search for their nest, we came 

 across a young one hiding beneath the gorse. Just as we were on 

 the point of going for our bicycles, a bird alighted on the ground 

 not far off which puzzled us at first, but on getting closer we found 

 that it was a Yellow Wagtail. It was about six and a quarter inches 

 in length, with a much shorter tail than the others of its species, 

 this being dusky brown with the two outer feathers white ; chin, 

 throat, and breast yellow ; back, olive brown ; wing coverts, dusky 

 brown ; primaries and secondaries, dusky brown, the former being 

 edged and tipped with yellow, and the latter only being edged with 

 yellow. At length it flew off, and on following it we saw it in 

 company with another bird like itself, though a little brighter, and 

 this was probably its mate. Although the Yellow Wagtail has been 

 recorded as seen passing over the west of Anglesey, I think that this 

 is the only record of it having stayed in the county, for the pair were 

 again seen there about a fortnight later. They might possibly have 

 nested there, but although we searched carefully for the nest we 

 were not able to discover it. Proceeding on we passed by an 

 enclosed area where deer are kept, and on a pond within were a pair 

 of Sheld-Duck. 



At the Priory Woods Jackdaws were seen going in and out of their 

 nesting-holes in the old trees. Now and then we heard the " yaffle, 

 yaffle " of a Green Woodpecker, and although we came across many 

 nesting-holes of this species, we found that they were nearly all 

 occupied by Starlings. In a hole in one of the old trees we found a 

 nest of the Tree-Sparrow containing five eggs, and another one 



