72 Proceedings of the Royal Physical Society. 
smaller flocks from Sumburgh Head to Unst. Two, killed 
in Unst on 18th May, are recorded by Mr Wilham Evans 
in the Zoologist, July 1888, p. 262; three more were shot 
later in the month in the same island; and four were sent 
to a Lerwick stuffer from Fetlar. For further particulars, 
see Mr Evans’s paper in the Society's Proceedings, vol. x., 
pikty. 
75. Shellduck (Zadorna cornuta).—It seems strange this 
bird should be so rare in Shetland, but the only two instances 
of its breeding that I am aware of occurred so far back as 
1829, and again a few years later. In the former year my 
informant, then a boy of fourteen, shot a male and female 
which had a brood of young on a loch in Whalsay. He sold 
the duck and drake to Mr T. Edmondston of Buness, and all 
the young were subsequently captured, but died soon after. 
About three years later a gentleman of the name of Adams 
shot a duck, which had a brood of nine ducklings, off the 
coast of Whalsay. 
76. Long-tailed Duck (Harelda glacialis)—In 1848 Wolley 
was given two eggs of this bird, said to have been taken in 
Shetland, and Saxby also obtained some about twenty years 
later, with the same assurance. In 1888 Laurenson, of 
Lerwick, got three eggs from a Conningsburgh man, which 
were said to have been undoubted eggs of the “Calloo.” 
These were wnblown. 
77. Great Northern Diver (Colymbus glacialis).—There are 
constant reports of the eggs or young of this diver having 
been obtained in Shetland, but these invariably turn out to 
be those of the smaller species, the red-throated diver. Hggs 
were said to have been taken in Yell this year, but the usual 
mistake had been again made. I saw a single individual of 
this species, apparently fully adult, in Whalefirth, Yell, on 
the 19th of June. 
78. Little Bittern (Ardetta minuta).—*“ About the middle 
of August 1883,” Mr John Laurenson, of Whalsay, shot a 
bird in a meadow close to his croft, which his brother, Mr 
Laurence Laurenson, describes as being “like a_haigrie 
(heron), but much smaller.” This bird was stuffed, and lay 
upon the rafters of the house till this winter, when Mr L. 
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