1906. Patterson. — Birds of h-cland and the Isle of Man. 169 
Bean-Goose — Probabl}' not infrequent. 
Barnacle Goose — Rare, i specimen recorded. 
Brent Goose — A few, not infrequently. 
Whooper Swan — Rare. 
Bewick's Swan — Rather less rare. 
Shoveler— Uncommon, about a dozen specimens recorded. 
Pintail — Rare, a few recorded. 
Wigeon — Fair numbers regularl3^ 
Pochard— Small numbers regularly. 
Tufted Duck — Perhaps occasional visitant. 
Scaup Duck — I^ittle known. 
Golden-eye — Perhaps commonest of the diving Ducks. 
Common Scoter — Probably a few each year. 
Goosander — Very rare. 
Red-breasted Merganser — Scarce, but perhaps regular 
migrant. 
Great Northern Diver — Probably small numbers annually. 
Black-throated Diver— Two occurrences. 
Red-throated Diver — Probably small numbers annually. 
Great Crested Grebe — One occurrence noted. 
Red-necked Grebe — Five occurrences of this rare bird re- 
corded. 
Sclavonian Grebe — One occurrence noted. 
Black-necked Grebe— One occurrence noted 
This list of Grebes is remarkable from the fact that the Red- 
necked Grebe, the rarest of the larger Grebes, having only ten 
or eleven Irish records in seventy-five years, has occurred off 
the Manx coast five times in thirteen years ; while the Great 
Crested Grebe^ which in Ireland is resident and breeds on 
numerous lakes in many counties, has only occurred once in 
Man. 
3. Again, owing to comparative absence of suitable mud- 
flats and large sandy bays, the list of " waders " is almost 
equally meagre in numbers. For instance, the Knot, which 
occurs regularly in Belfast Lough, sometimes in immense 
numbers, is practically unknown in Man, only tive occurrences 
being recorded, two of these being merely "seen." Some of 
the other commoner Irish species are only found in small 
numbers in Man, but others, such as Redshanks and Dunlins, 
seem to be more frequent and better known It is quite pos- 
