i BF pr Ds; 95 
q The bill of the Swan, and the Goofe, and the 
D uck are broad, becaufe they gather their food 
yery much out of the mud: their tongues are 
fringed, and the fides of their- bills toothed, or. 
ferrated, that.they may filter the water through, » 
and only keep behind the fpawn of the fith, the 
eggs, or the larva of infeCts; or the grain or feeds: 
which they find in the water. 
The Auks, place their eggs upon the bare rock, 
and have been furnifhed by that good Being, 
with a kind of glue, or cement, which prevents it. 
from falling. 
F The,Petrels,,, which tohebit cold Rimmer be. 
fides a warm covering of feathers, are very fat, 
aid abound in oil. This preferves them from the 
cold; for no animal that is fat is much affected 
with cold. Mr. Ray has obferved pigs, that. 
were fat, lie on. the bare ground, expofed on cold 
frofty nights, without any inconvenience ; whilft 
fome pigs, that were leaner, ran fhivering into- 
the ftye, and feemed to be quite benumbed-with . 
the cold, 
Albatrofles have long wings, which enable._ 
them to take very diftant flights, and to feize the 
Flying Fifh the moment that they quit the water. 
Whilft the Penguins have fcarcely any ‘wings ; 
:2 2 indeed 


