ORNITHOLOGISTS 
XLI 
his opinion (p. 580) that the Carrion and Hooded 
Crows are one and the same species. He also records 
a Heronry at " Shaw on Dryfe, where hundreds are 
bred yearly " (loc. cit.). D.L. Dumfriesshire. He died 
about 1833. 
Thorburn, Lieutenant-Colonel William Stewart, son 
of James Stewart Thorburn, Barrister, Inner Temple, 
London, b. 1838. Educated at Dumfries and 
Edinburgh. Entered Army: Lieutenant, First Royal 
Regiment, but exchanged to Pay Department. 
He was an enthusiastic collector of coins, butterflies, 
birds, eggs, etc. In 1883 he published A Guide to 
the Coins of Great Britain and Ireland (second edition, 
1888). In Notes for Naturalists, he recorded many 
interesting local observations on birds above the 
initials W.S.T., notably the occurrence of the Quail 
in Lochar Moss (pp. 70 and 107), a white-headed 
Wren (p. 47), etc. At the time of his death, in 1886, 
he was Lieutenant-Colonel, and chief Paymaster in 
Ireland. 
Walker, Rev. Dr. John, D.D., b. 1731 "in the Cannon- 
gate suburb of Edinburgh, and received his education 
at the grammar school of that district, of which his 
father was at the time rector."* He entered the 
University to further his education for the Ministry. 
Appointed to the parish of Glencorse (Midlothian), 
seven miles from Edinburgh, September 13th, 1758. 
While here he began his lifelong friendships with Lord 
Kames and Lord Woodhouselee. On July 13th, 
1762, he was presented to the parish of Moffat by 
the Earl of Hopetoun, where he remained till 1764. 
In that year he was appointed by the Commissioners 
of Annexed Estates on the recommendation of Lord 
Kames, " to make a survey of the Western Isles 
with regard to their moral and physical state 
and capabilities for improvement."! This itinerary 
lasted seven months, and his report was not 
* Nat. Lib., 1842, Vol. Xll., p. 17. 
t Op. cit., pp. 22, 23. 
