46 REPORT ON THE MIGRATION OF BIRDS. 



P. sibilatrix, Wood Wren. — Tlianet, Aug. 5th to 30th, on 

 passage. 



Hypolais icterina, Icterine Warbler. — Cley, Norfolk, Sept. 

 11th, E. to N.N.E., one obtained by Mr. F. D. Power. Heligo- 

 land, Aug. 18th, S.E., with Pied Flycatchers and Whinchats, 

 numbers. 



Acrocephalus phragmitis, Sedge Warbler. — Spurn l.h., Aug. 

 21st, three struck and two killed at midnight ; from Aug. 20th 

 to Sept. 10th is noted, by Mr. Slater, as the commonest of the 

 Warblers there, found amongst Scirpus maritimus and in every 

 ditch. Heligoland, Aug. 11th, some. 



Locustella ncecia, Grasshopper Warbler. — Heligoland, Sept. 

 10th, S.E., slight, a few, with a crowd of Pied Flycatchers, 

 Willow Wrens, Kedstarts, Bluethroats, Ortolan Buntings, Blue- 

 headed Yellow Wagtails, Tree and Meadow Pipits, Wheatears, 

 and Whinchats. 



Accentor modularis, Hedgesparrow. — Spurn, Aug. 20th, and 

 through September abundant at intervals. Tees l.v., 21st, two, 

 with a Linnet, Kedbreast and Titlark on board, leaving to N.W. 

 at 7 a.m. Spurn and Great Cotes, 23rd to 26th, swarming. 

 Heligoland, Sept. 18th, some, the first ; 21st and 30th, pretty 

 numerous ; at intervals in October to 24th. 



Acredula rosea, British Long-tailed Titmouse. — Thanet, Oct. 

 15th, " one flock, the only one seen this autumn." Eedcar, 

 Oct. 22nd, 6.30 a.m., flock of twenty to S.W. 



Pants major and cceruleus, Great Titmouse and Blue Tit- 

 mouse. — Great Cotes, Sept. 15th and I8th, both very plentiful. 

 Eedcar, Nov. 15th, S.E., moderate, a few Blue Tits. None over 

 Heligoland this autumn, which is somewhat remarkable ; the 

 same applies to Parus ater. 



Troglodytes parvidus, Wren. — Spring : Farn Islands, through 

 March to April 3rd, several. Spurn, 27th, 6 p.im, two. Outer 

 Dowsing l.v., May 12th, four on board. Autumn : Shipwash l.v., 

 Aug. 14th, large numbers, with Redstarts, at noon to W.N.W. 

 Flamborough l.h., Aug. 19th, 11.30 p.m., Wrens and Wheatears, 

 six or eight struck. Some observed at Spurn, Outer Dowsing, 

 Hasbro', and Shipwash, l.vs,, in September. Are last recorded 

 at Hanois l.v., Oct. 24th, 1 a.m., S.S.E., Wrens round 

 lantern; and a single bird on the 26th at the Cockle l.v. 

 Heligoland, Oct. 2nd, pretty numerous ; 3rd, great many ; 



