127 
hemisphere. ‘They frequent the countries bordering on the arctic 
circle, and are as abundant in America as in Europe and Asia. In 
Britain we have three distinct species. 
Soll. COLYMBUS GEACIATIS  % %- S °.1,. » > Vol) Ve PIP XLII. 
Great Norrmpern Drver. 
One of the finest of our native birds, but does not breed with us. 
362; COnYMBUSIAROTICUS! (16) Si Fo wool. Wa Bly XELY. 
Brack-THROATED Diver. 
This may be considered a resident species, although it is but 
sparingly observed at any time. In winter the young are frequent 
along our southern coasts, while in summer most of the northern lochs 
of Scotland have each its breeding pair of birds—among other places, 
Loch-y-yraon and Loch Drome in Ross-shire, part of the fine 
property of John Fowler, Esq. 
363. CoLYMBUS SEPTENTRIONALIS . .. . . Vol, V. PI. XLV. 
Rep-rHroatep Diver. 
Like the last a resident species, breeding in the same parts of the 
country. 
Family ALCAD A. 
Formerly Britain could boast of haying five species of this re- 
markable family of northern sea-birds ; but the finest of them, the 
Great Auk, is now gone from the face of the waters ; and if it is still 
enumerated in the present work, it is because we cherish the re- 
collection of so singular a bird. 
Genus ALCA, 
SOT ATOM IMPENNIS 6005 « « « « « « « VOl Vo El XLVI. 
Great AvK. 
P enh 5 : €..: 
DUS PAECAUTORDAS | “saps ay ny wu, ees vey) Vols Vi Pl: XLVEL 
RaAzorBILe. 
A common cliff bird, breeding all round our coasts, and a constant 
resident on our seas. 
Genus Urta,. 
Sao UR MROMER . fs +. « « « « « Vol, Vs BY XLVEL, 
Common GUILLEMOT. 
Like the last very numerously dispersed round the whole of the 
islands and islets of Britain ; breeds on the rocks ; lays but a single 
oro" 
ege. 
