MOVEMENTS OF BIRDS IN SCOTLAND DURING 1892 163 



ARGYLL AND ISLES Tiree, L. lapponica last seen April i, passing Sept. 



6. L. tegocephala, May 29, one ; June 19, two. 



Numenius phaopus (Whimbrel). 



SHETLAND . . Dunrossness, last seen Oct. 3. 

 TAY . . . Tayport, Aug. 31. 



OUTER HEBRIDES Barra, April 12; Rodel, Harris, April u. 

 ARGYLL AND ISLES Tiree, April 28; May 7, flocks passing north; 



Aug. 25, flocks passing south. 



Sterna (Terns). 



ORKNEY . . Pentland Skerries, S. fluviatilis (Common Tern), 



May 10. 



MORAY . . Glenlivet, S. fluviatilis, May 13. 

 TAY . . . Arbroath, S. fluviatilis, May n, Oct. i. 

 OUTER HEBRIDES Butt of Lewis, May 24, " Terns " come to breed ; 



Rodel, June 7. 

 ARGYLL AND ISLES Tiree, S. minnta (Little Tern), May n, one; 



plentiful by May 15. Skervuile, Jura, 



" Terns," May 1 7 ; Arctic Tern, May 9. 



Lams glaucus (Glaucous Gull). 



SHETLAND . . Dunrossness, Oct. 9, one, flying north-west ; on 



Oct. 26, seven, passing south, in single birds 

 and in pairs : wind N.W. by W. Sumburgh 

 Head, Nov. 8, two. 



ORKNEY . . N. Ronaldshay, Nov. 10, single birds in mature 



plumage. 



ARGYLL AND ISLES Kerrara, March 3, one shot. 



Lanis kucopterus (Iceland Gull). 



SHETLAND . . One in Grutness Bay, Oct. 13. 



ORKNEY . . N. Ronaldshay, Jan. 3; Foula, Jan. 12. 



SUTHERLAND . Sandside, Caithness, Jan. 23 ; Thurso, Dec. 



n, two shot. 



OUTER HEBRIDES Stornoway, one shot in January, one May 20, 



and one seen May 23 ; seen also from July to 

 September, and supposed to have remained all 

 summer. Monach L.H., one seen April 28. 



ARGYLL AND ISLES Inverary and Poltalloch, Feb. 4 ; the latter 



specimen immature. 



Stercorarius (Skua). 



ORKNEY . t . Single birds identified as S. pomatorhinus 



(Pomatorhine Skua) seen at Stromness Point, 

 Nov. 5, Dec. 29; S. crepidatus, Richardson's 

 Skua, common in N. Ronaldshay after Aug. 3. 



