MOVEMENTS OF BIRDS IN SCOTLAND DURING 1901 197 



twenty-four. Outer Hebrides FJannans, June 23, one; June 30, 

 several; July 28, one. Monach, May 21, a few arrived, and in- 

 creased daily till the 27th. Barra, May 14, arrived. Argyll and Isles 

 -Tiree, May 13, several. 



STERNA MINUTA (Lesser Tern). 



Dee Aberdeen, May 5, eighteen; Aug. 31, eight seen. Outer 

 Hebrides Barra, nested for first time (" Annals," 1901, p. 237). 

 Argyll and Isles Tiree, May 16, have arrived. Sound of Mull, 

 May 21, two; May 28, four. 



LARUS MINUTUS (Little Gull). 



Orkney Noup Head, May 13, two seen, with black heads; 

 March 29-30, a flock of about twenty in Stromness Harbour. E. 

 gale, sleet. Forth North Berwick, Jan. 8, one shot, immature. 



LARUS GLAUCUS (Glaucous Gull). 



Orkney Sule Skerry, Jan. 3, one; Jan. 25, three; Feb. 21, a 

 young bird; Oct. 20, one, immature; Nov. 19, one; Nov. 30, 

 adult; Dec. 25-26, over fifty, mostly adult birds, never saw more 

 than four at one time before. 



LARUS LEUCOPTERUS (Iceland Gull). 



Orkney Sule Skerry, Nov. 12, one; Dec. 19, one. Outer 

 Hebrides Barra, young Iceland and Glaucous Gulls more numerous 

 this winter than last year. 



PAGOPHILA EBURNEA (Ivory Gull). 



West Ross Skye, Feb. 6, about, a fine adult obtained at Broad- 

 ford ("Annals," 1901, p. 116). 



MEGALESTRIS CATARRHACTES (Great Skua). 



Shetland North Unst, April 10; twenty-one nests on Hermaness 

 this year. 



STERCORARIUS POMATORHINUS (Pomatorhine Skua). 



Orkney Stromness, Sept. 13, twenty-seven, two shot. Forth 

 North Berwick, Sept. 12, one shot. 



STERCORARIUS CREPIDATUS (Arctic Skua). 



Shetland North Unst, April 10. Bell Rock, Aug. 29, two; 

 Oct. 5, two. Forth North Berwick, Sept. n, very plentiful in 



