INTRODUCTORY. xxi 



1814. Bullock, William. A Companion to the London Museum and 

 Pantherion. 12mo. Sixteenth ed. London, 1814. 



1820. Peterkin, Alexander. Rentals of the Ancient Earldom and Bishop- 

 ric of Orkney. 8vo. Edinburgh, 1820. 



1820. Edmonston, A., M.D. Observations on the Nature and Extent of the 

 Cod-fishery of the Zetland and Orkney Islands. 8 vo. Edinburgh, 1820. 



1837. Dunn, Robert. Ornithologist's Guide to the Islands of Orkney and 

 Shetland. 8vo. London, 1837. 



1842. T$QVT Statistical Account of the Orkney Islands. 8vo. Edinburgh, 1842. 



1842. Wilson, James, F.R.S.E. A Voyage round the Coasts of Scotland. 

 2 vols. 8vo. Edinburgh, 1842. 



1843. Zoologist, The. 8vo. London, 1843 et seq. 



1848. Baikie, W. B., M.D., and Robert Heddle. Historia Naturalis 

 Orcadensis. Part I. (all published.) 8vo. Edinburgh, 1848. 



1862. Clouston, Rev. Chas. Guide to the Orkney Islands. 8vo. Edin- 

 burgh, 1862. (This forms the Orkney division of Anderson's 

 Guide to the Highlands and Islands of Scotland, and contains a list 

 of Orkney Birds, which is, however, of little practical use, though 

 often quoted.) 



1866. Crichton, A. W. A Naturalist's Ramble to the Orcades. 12mo. 

 London, 1866. 



1871. Gray, R. Birds of the West of Scotland. 8vo. Glasgow, 1871. 



1871-84. Yarrell, W. A History of British Birds. 4th ed. Svo. 

 London, 1871-1884. 



1874. Saxby, H. S., M.D. The Birds of Shetland. 8vo. Edinburgh 

 and London, 1874. 



1874. Bell, T. A History of British Quadrupeds. 2d ed. 8vo. London, 

 1874. 



1879-87. Migration Reports. Published by a Committee of the British 

 Association. Svo. London, 1879-87. 9 vols. 



1883. Tudor, J. R. The Orkneys and Shetland. 8vo. London, 1883. 



1884. Buckley, T. E. A Few Notes on the Mammals and Birds of Eou- 

 say, one of the Orkney Islands. From the Transactions of the 

 Natural History Society of Glasgow, vol. I. New Series, p. 44 

 et seq. Read April 29th, 1884. 



1888-9. Saunders, H. An Illustrated Manual of British Birds. Svo. 

 London, 1888-9. 



Besides the above works, most of which we have consulted, we 

 have been favoured by the Rev. H. A. Macpherson with the loan of 



