EAST COAST OF ENGLAND. 65 



l.h., on 30th, Black-headed Gull (L. ridibiindus), Twigmoor, 

 May 22nd, many young on ponds. Little Gull (L. mi nut us), 

 Whitby, July 15th, one seen on River Esk along with Kitti- 

 wakes, by Mr. Backhouse. Yarmouth, Nov. 11th, one shot, 

 bird of second year. Heligoland, Oct. 30th, hundreds to lee 

 of island. Gulls generally. — Flamborough, July 4th, great 

 many grey Gulls and Kittiwakes to S. Whitby, Sept. 9th, 

 many to S. Spurn, Sept. 25th to 28th, S.W. strong, great 

 many young Herring and Lesser black-backed Gulls con- 

 tinuously to south ; they passed the cliff point to the north 

 of Easington lane end at the average rate of seventy in 

 fifteen minutes ; the exact proportion of old and young in 

 that period was nineteen adult and forty-eight immature Lesser 

 black-backed Gulls, one Kittiwake, and two Terns ; occasionally 

 a few young Herring Gulls passed, but the vast majority were 

 immature L. fuscus. On the average, 280 Gulls passed in the 

 hour, all going south in the teeth of a strong S.W. wind ; 

 rate of progress probably thirty miles an hour, and average 

 distance from coast 150 yards. This movement was con- 

 tinuous for at least four days, and for ten hours on each day. 

 Cromer, Oct. 11th, Mr. Gurney writes " We have had another 

 of those strange passages of Gulls which I have noticed at 

 Cromer before. I reckoned that this afternoon eighteen 

 hundred passed in three-quarters of an hour, going W.N.W., 

 and probably ten thousand after 12 o'clock." Bedcar, Oct. 

 20th to 23rd, Gulls, chiefly young, L. fuscus and argentahis, 

 going N.W. in flocks during morning ; 24th, Kittiwakes 

 very common at sea. Orfordness, Nov. 10th, Gulls all 

 day in flocks of twenty to thirty, N.E. to S.W. Coast of 

 Durham, 27th, L. fuscus and argentatus, immature birds in 

 flocks of twenty to forty, flying north. 



Stercorarunce, Skuas. — Farn, July 23rd, two chasing Gulls. 

 Grimsby, Sept. 7th, one Richardson's Skua (S. crepidatus). 

 Spurn, 26th, one Pomatorhine Skua (S. pomatorhinm), the 

 black variety. Redcar, Oct. 4th, one adult (black variety) shot 

 at sea; 24th, two at 2 p.m. to E. Heligoland, Oct. 30th, 

 some. 



Procellariidce, Petrels. — Galloper l.v., Oct. 2nd, one Stormy 

 Petrel (P. pelagica). Coquet l.h., 4th, two caught at lantern. 

 Dudgeon l.v., 18th, one caught. Longstone l.h., 23rd, two 



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