10 REPORT ON THE MIGRATION OF BIRDS. 



remained till middle of August, and then disappeared ; latest 

 Nov. lOtb, two Ravens at Pentland Skerries, flying W., but no 

 Eooks after Aug. 15th. Eavens also at Pentland Skerries, July 

 29th. Hooded Crows. Earliest Sept. 14th, at Pentland Sker- 

 ries ; latest on Nov. 5th, at Pentland Skerries. Rush on Oct. 

 2nd, at Isle of May (large numbers). 



CypsELiDiE. — Autumn : Only records at Sumburgh Head. 

 Earliest Sept. 13th, five seen at 6 p.m., light N.W. airs, clear ; 

 next record Sept. 16th, one seen, light W., clear ; latest Sept. 

 27th, one, light S.W., haze. 



CAPRiMULGiDiE. — Autumii : Only one record at Isle of May, 

 where the first was observed, Sept. 26th, along with a great Rush 

 of other migrants (see Notes under Turdid^, antea). 



SxRiGiDiE. — Autumn : Records at Auskerry and Isle of May. 

 Earliest Aug. 25th, when one '' Grey Owl " seen at Isle of May, 

 fresh E., heavy rain, and haze; latest Dec. 19th, one reddish 

 brown Owl, at 1 p.m., S.W., clear, at same station. Other dates, 

 Oct. 15th to llth, two Owls stayed three days, arriving at 

 4 p.m. on 15th, leaving at 4 p.m. on 18th, at Auskerry, N.W. 

 gale, showers, and haze. Also Oct. 24th, one 'Might brown" 

 Owl at Isle of May, S.S.E., showery; also Nov. 28rd, one seen 

 at Isle of May, 3 p.m., S.W., clear. 



Falconid^. — Autumn: Whalsey Skerries, Sumburgh Head, 

 Pentland Skerries, and Bell Rock (all insular). Earliest July 

 28th, at Whalsey Skerries, one Hawk flying N. ; latest Dec. 14th, 

 at Isle of May, two '' large Hawks." Rush in August and Sep- 

 tember, at Bell Rock, from which I have twenty-two returns in 

 that time ; never so many seen here before. Kestrels, principally 

 at Isle of May, till Aug. 18th ; latest Sept. 25th. Sparrowhawk. 

 A rush at Pentland Skerries between Aug. 19th and 28th, or the 

 same birds reappearing : all seen during the daj^time, along with 

 all other Hawks. Merlin, one on Sept. 22nd, at Sumburgh 

 Head; another on Oct. llth, feeding, on Snow Buntings, shot; 

 other two seen. Falcon, one seen flying S.W., at Pentland 

 Skerries, on Oct. 10th. Buzzards one (by description) flying S. 

 at Isle of May, Sej)t. 27th. "Large Brown Hawks," or simj^ly 

 " Hawks," occurring principall}^ at Isle of May. A rush between 

 Sept. 6th and 19th, with E. winds' (see General Notes on weather). 

 A great rush of Hawks, Eagles, &c., took place all over the 

 country at the latter end of September. Amongst others the 



