444 



Order PODICIPIFORMES. 



Family PODICIPIDAE. 



Tachybaptus ruficollis novae-hollandiae, Stephens 



( Black-throated Grebe) . 



One or two birds were seen upon the large waterholes, 

 but no specimens were taken. 



Order LARIFORMES. 



Family LAPIDAE. 



Gelochelidon nilotica macrotarsa, Gould 



(Australian Gull-billed Tern). 



Several birds seen flying over a large waterhole on the 

 ;Strzelecki Creek. No specimens were secured. 



Hydroprogne tschegrava strenua, Gould 

 (Australian Caspian Tern). 

 A fine bird of this species was seen flying low over the 

 waters of the Cooper, on the watch for fish, the bill being 

 pointed downwards in characteristic manner. 



Thalasseus bergii poliocercus, Gould (Crested Tern). 



Several of these birds were observed flying low over the 

 saltbush country which surrounded Lake Harry. There was 

 a little surface water lying about at the time, in small clay- 

 pans, but nowhere more than half an inch deep. 



Bruchigavia novae-hollandiae ethelae, Mathews 



(Southern Silver Gull). 

 Seen by Mr. Edgar R. Waite on the fine reservoir at 

 Ooroowilanie, October 17. 



Order CHARADRIIFORMES. 



Family VANELLIDAE. 



Erythrogonys c. cinctus, Gould (Red-kneed Dotterel). 



Two adult birds in company with two young fledged birds 

 visited a waterhole where we were camped early one morning ; 

 this was the only time upon which this species was observed. 



Total length. Expanse of wings. 



October 8 ... tf 181 mm. 371 mm. 



October 8 ... g (imm.) 178 mm. 356 mm. 



October 8 ... O 181 mm. 368 mm. 



