1^6 Royal Aitsfralasian Omitho/o^isfs' Union. [isf"}" 



14. Spotless Crake. Poyzana iynmaculata {Porzanoidea pliimbea 

 roberti). — Resident. Comparatively common, though its habits lea,d 

 to its being overlooked. A specimen in the W.A. Museum was 

 obtained on the Swan River, but the large swamps are its usual 

 habitat. 



15. Black-tailed Native-Hen. Trihonyx ventralis (Microtribonyx 

 V. ventralis). — Irregular visitor. Sometimes occurs in very large 

 numbers throughout the district. The earliest recorded invasion of 

 the sort occurred in May, 1^33, and a bird secured on this occasion 

 is the type of the species. There is no record of the species breeding 

 in the district. 



16. Black Moor-Hen. Gallinula tenehrosa (G. t. magnirostris). — • 

 Resident. Common on the banks of streams and on swamps. 



17. Blue Bald-Coot. Povphyrio hellus (P. melanotiis woodwardi 

 and P. bellus). — Resident. Very plentiful on all tlie swamps. I feel 

 confident that there is only one species, which should be ranked as 

 a geographical race of P. melanoHis. 



18. Coot. Fulica australis (F. atra aitstralis). — Resident. The 

 numbers of this species seem to be greatly increased in some winters 

 bv migrants from other districts. 



19. Tippet Grebe. Podiceps australis (P. crisiatus christiani). — 

 Irregular visitor. Occasionally met with on the larger swamps. 



20. Black-throated Grebe. Podiceps gularis (Tachybaptus ruftcollis 

 carters'). — Resident. Very plentiful, breeding in large numbers on 

 the swamps and dams. 



21. Hoary-headed Grebe. Podiceps poliocephaUis (PoliocepJialus p: 

 cloatesi). — Resident. 'Sluch less common than the last, though, 

 except in the breeding season, the birds are difficult to distinguish; 

 There is no record of this species nesting in the district, and it may 

 be only a visitor. 



22. White-faced Storm-Petrel. Pelagodvoma marina (P. m. diilcics). 

 — Winter visitor. This species is very possibly found of¥ the coast 

 all the year round, but the only evidence of its occurrence at present 

 is that it is sometimes washed up on the beach during the winter. 

 As it breeds further north, at the Abrolhos Islands, and also on islands 

 further south, it is not improbable that it may breed on some of the 

 islands off this portion of the coast. 



23. Allied Petrel. Pnffinits assimilis (P. a. tunneyi). — Winter 

 visitor. The status of this species is exactly the same as that of the 

 last, and the same remarks apply as to the possibility of its really 

 breeding in the district. 



24. Wedge-tailed Petrel. Pufpnus sphenurui {Thyellodroma pacifica 

 chloroyhyncha). — Resident. Breeds in large numbers on Rottnest, 

 and a few also on Carnac Island, which appears to be their southern 

 outpost. Possibly the species moves north in the winter for a few 

 months, but for the greater part of the year the birds are plentiful 

 in Cockburn Sound and on the sea round the islands. 



25. Fleshy-footed Petrel. Puffinus cameipes (Hemipiiffinns c. 

 carneipes). — Occasional winter visitor. A single specimen found dead 

 on the beach at Cottesloc in May, iqi'^. is the only record of this 

 species in the district (Emu, xvii., p. 40';. 



