INTRODUCTORY CHAPTERS. G 
IV. GRALLATORES. 
Famity I. Charadritde . . Plover-kind. 
Il. Gruide . . . Crane-kind. 
ITI. Ardeide . . . Heron-kind. 
IV. Scolopacide . ~. Woodcock-kind. 
V. Rallide . . . Rail-kind, 
VI. Lobipedide . . Lobed-foot-kind. 
V. NATATORES. 
FaMIiy I. Anatide . . . Duck-kind. 
Il. Colymbide . . Diver-kind. 
Tit. Aleads’  ». . Aukekind: 
IV. Pelecanide . . Pelican-kind. 
WV: Laridz... .. «« ~» Gullkkind: 
Such being the skeleton of our classification, the details neces- 
sary for the completion of the entire system or frame will be 
most conveniently given as we proceed to notice in detail the 
various Orders, their component Families and subordinate mem- 
bers. 
