74 Mr. A. G. More on the Distribution of Birds 
Popicrrs cristatus (Lath.). Great Crested Grebe. 
Provinces IJ.-V. VI.? VII.? VIII.-X. 
Subprovinces, 6, 8, 10, 11, (12), 14, 15, 16?, 17?, 18?, 19, 21, 
22 NOR: 
Lat. 50°-55°. “ English” type. Not in Scotland. 
A few pairs breed in the counties of Sussex, Herts, Suffolk, 
Norfolk, Huntingdon (perhaps extinct, Mr. F. Bond), Worcester, 
Warwick, Shropshire, Lincoln, Cheshire, and in both divisions 
of Yorkshire. Yarrell tells us that the Great Crested Grebe 
breeds on some of the lakes of Wales, but I do not know in 
which of the districts. 
Popicers Minor (Lath.). Little Grebe. 
Provinces I.-X VIII. 
Subprovinces 1-37. 
Lat. 50°-60°. “ British” type, or general. 
Throughout Great Britain, and extends to the Outer Hebrides 
and Orkney, but does not appear to have been found breeding 
in Shetland. 
Obs.—The Eared Grebe (Podiceps auritus) is mentioned by 
Pennant as breeding at Spalding in Lincolnshire; but the nest 
does not seem to have come under the notice of any recent observer. 
Corymsus arcticus (Linn.). Black-throated Diver. 
Provinces XV.-XVIII. 
Subprovinces 29, 31 ?, 32, 34-36, (37). 
Lat. 56°-59°. “Scottish” type. Not in Ireland. 
Mr. Robert Gray tells me that the Black-throated Diver breeds 
on the confines of Perth and Argyleshire, extending to both 
counties. The nest has been found in several parts of Argyle- 
shire, Inverness, Ross, and Sutherland, and also in the Outer 
Hebrides ; but the bird is said to have become quite extinct in 
Orkney. 
CoLYMBUS SEPTENTRIONALIS (Linn.). Red-throated Diver. 
Provinces XV.—XVIII. 
Subprovinces 31, 32, 34-38. 
Lat. 56°-61°. “Scottish” type. Not in Ireland. 
With much the same range as the former species, the Red 
