Vlll 
PREFACE. 
being as conversant with the Waders as with the Land birds ; and, 
secondly, from the necessity which he lay under of finishing his 
Ornithology in a given time, thereby being prevented from study- 
ing and collating the works of his predecessoi's : a labor which is 
indispensable in every department of Natural history, by all those 
who undertake to write upon this multifarious science. Had our 
excellent author lived to produce himself a new edition, there can 
be no doubt that it would have assumed a different aspect from the 
present, inasmuch as he would have had access to the rare collec- 
tions of our scientific institutions, which, since his death, have been 
augmented with those works which it was never his good fortune 
to behold. 
For the information of the reader the Editor here records his 
alterations in the nomenclature, in order that the whole may be 
embraced at one view ; premising that the first column comprises 
the names of the original edition. 
Falco ossifragus 
Charadrius calidris 
C. rubidus 
Recurvirostra himantopus 
Tringa hiaticula 
Charadrius apricarius 
C. pluvial is 
Tringa interpres 
Ardea candidissima 
Scolopax borealis 
Tringa cinclus 
Falco leucocephalus. 
Calidris arenaria. 
Idem, 
Himantopus Mexicanus. 
Charadrius hiaticula, 
Vanellus Helveticus. 
Idem, 
Strepsilas interpres, 
Ardea Carolinensis. 
Numenius borealis. 
Tringa Alpina. 
