134 THE MIGRATION OF BIRDS 



52. TOMISON, J. " Bird Life as observed at Skerry vore Light- 



house." Ann. Scot. Nat. Hist., 1907, 20. 



53. THUMB ULL, J. " Notes on Land Birds observed in the North 



Atlantic and the Gulf of St Lawrence," 

 1904. Zoologist, 1905, 293. 



54. WALLACE, A. R., Nature, x., 1874, 459. 



55. WHITLOCK, F. B. The Migration of Birds, London, 1897. 



In addition numerous notes in the following periodicals have 

 been consulted : Annals of Scottish Natural 

 History, Auk, British Birds, Condor, Emu, 

 Field, Ibis, Irish Naturalist, Naturalist, 

 Nature, Zoologist. 



