PLOTUS-SULA. 
3G3 
Genus PLOTUS, Linnccus. 
PLOTUS N0YiE-HOLLANDIJE, Gould. 
New Holland Darter. 
Gould, Handbk. Bds. Aust., Vol. ii., sp. G57, p. 496. 
This bird is widely dispersed over the Australian continent, it 
frequents rivers and lagoons where it obtains its food, consisting 
chielly of lisli. The nest is built of sticks and twigs often placed 
on a branch of a tree overhanging the water, and usually contains 
three or four eggs of a pale bluish-white, often thickly covered 
with lime like to those of Graculus, and Podicepu. An average 
specimen measures 2-35 x L55 inch. 
Hab. Port Darwin and Port Essington, Gulf of Carpentaria, 
Capo York, Rockingham Bay, Port Denison, AVide Bay District, 
Dawson River, Richmond and Clarence Rivers Districts, New 
South Wales, Interior, Victoria and South Australia, and the 
South Coast New Guinea. {Ramsay.) 
Genus SULA, Brisson. 
SULA SERRATOR, Banks. 
(S. australis, Gould.) 
The Australian Gannet. 
Gould, Handbk. Bds. Aust., Vol. ii., sp. G61, p. 504. 
This species ranges over the seas of the eastorn and southern 
portions of the continent of Australia, the islands of Bass’s Straits 
and the coast of Tasmania. The nest is built upon the ground 
and is composed of twigs and dried marine debris, it usually 
contains two eggs, elongated in form, of a pale bluish-white colour 
with a rough coating of lime. An average specimen taken on one 
of the islands off the Tasmanian coast, measures as follows: — 
length 3-05 inches, breadth 1'85 inch. 
Hab. Port Denison, AVide Bay District, Richmond and Clarence 
Rivers Districts, New South AVales, Victoria and South Australia, 
Tasmania, AVest and South-West Australia. {Ramsay.) 
