6 REPORT ON THE MIGRATION OF BIRDS. 



May (see Notes under Turdid/E) ; also Oct. 21st, at Isle of 

 May (" appear to be very small specimens.") Mr. Agnew pre- 

 served one for me in spirits on Dec. 15tli, but whether one of 

 these small specimens I cannot as yet say. N.B. Spanish 

 examples are known to be very much smaller than British (vide 

 Howard Saunders and H. E. Dresser). 



Phylliscopin.e. — Autumn : Gold Crests at Sumburgh Head, 

 Tarbat Ness, and Isle of May. Earliest at Tarbat Ness, Sept. 

 10th (two seen) ; latest at Isle of May, Sept. 27th. Rush, a 

 small one, Oct. 24th, 25th, and 27th, at Isle of May. General 

 Remarks: — Mr. Agnew says, "I expect more," but no more 

 appeared in his later schedules. A general movement of this 

 species appreciable also about Sept. lUtli to 18th. 



Parid^. — Spring : Tit. One record at Isle of May, April 

 23rd. General Piemark : — One alighted on lantern at 11 p.m. — 

 Autumn : Tits at Pentland Skerries and Inch Keith. Earliest 

 at Inch Keith, Aug. 5th (a number at night) ; latest at Pentland 

 Skerries, Oct. 6th (one all day). Another struck N.W. side of 

 lantern of Inch Keith on night of 5th to 6th. General Remarks: 

 — Aug. 5th, at Inch Keith (as above), " earlier than usual." 



Troglodytid^. — Spring : Common Wren. One record from 

 Isle of May, March 19th. — Autumn : Sumburgh Head, Pentland 

 Skerries, and Isle of May. Earliest at Sumburgh Head, Aug. 

 3rd (left) ; latest at Pentland Skerries, Nov. 16th. Others Oct. 

 6th and 8th. Rush (inappreciable) on these later dates. 



MoTACiLLiD^. — Spring : Bell Rock and Isle of May (only two). 

 Wagtails. Earliest at Isle of May, March 12th; latest at Bell 

 Rock, April 13th. General Remarks: — The latter "running 

 over the rocks, but leaving at high tide, as all birds do that land 

 upon these rocks" (J. Agnew) .-^Autumn : Pentland Skerries and 

 Isle of May (three records). Wagtails. Earliest at Pentland 

 Skerries (three all day), when a gale from N., Aug. 27th; latest 

 at Isle of May, Sept. 24th, ''when* a few new-comers, having 

 more white upon them than the few residents, appeared." Also 

 occurred at Pentland Skerries, Sept. 10th. Pipits at Whalsey 

 Skerries, Pentland Skerries, and Isle of May (few records). 

 Earliest at Whalsey Skerries, Aug. 28th (following Sparrowhawk), 

 but all left next day ; latest at Pentland Skerries, Oct. 25th (six 

 struck at night). Rush (on small scale) at Isle of May, Sept. 

 24th, 25th, and 26th. General Notes : — Mr. Agnew speaks of 



