CXXXll 
INTRODUCTION. 
367 . Uria grylle Vol. V. PI. XLIX. 
Black Guillemot. 
A resident species, often breeding in company with the last ; lays two eggs. 
Genus Mergulus. 
368. Mergulus alle Vol. V. PI. L. 
Little Auk. 
Sometimes abundant with us in winter, while in summer it is engaged in breeding within the arctic circle. 
Genus Fratercula. 
369. Fratercula arctica ........... Vol. V. PI. LI. 
Puffin. 
Numerous among our sea-bounded rocks In summer, and in winter may be found fishing in the bays and 
shallow portions of our seas. 
Family PELICANIDyE. 
Subfamily GBACULIN^. 
That portion of this family forming the Cormorants comprises about thirty species. They are spread over 
the rocky sea-shores of the entire globe, with the exception of the ice-bound poles. In Britain we have two 
species. 
Genus Phalacrocorax. 
370. Phalacrocorax carbo ........... Vol. V. PI. LII. 
Cormorant. 
A denizen of the British waters generally, from which it is never absent. 
371. Phalacrocorax graculus .......... Vol. V. PI. LIII. 
Crested Cormorant, or Shag. 
Also a constant frequenter of every part of the British coasts, where it annually breeds. 
Subfamily SULARIN.E. 
The Gannets form a small section of the Pelicanidse. They are truly oceanic in their habits, and are 
