110 THE AUSTRAL AVIAN RECORD [Vol. I 



shorter than in the genus named, which has also the 

 fifth primary longest. The tail is almost square. 



Type, Petroica rosea Gould. 



638. Whiteoknis, gen. nov. 



Differs from Petroica in its much shorter weaker bill 

 and weaker legs and feet. 



Type, Muscicapa, goodenovii Vigors and Horsfield. 



664. Ethelortstis, gen. nov. 



Differs from Pseudogerygone in its much stouter wider 

 bill, while the first primary is proportionately much 

 longer than in that genus. 



Type, Gerygone magnirostris Gould. 



666. Wilson a vis, gen. nov. 



Differs from Pseudogerygone in its very short slender 

 bill and very short weak feet. 

 Type, Psilopus fusca Gould. 



App. 10. Royigerygone, gen. nov. 



Differs from Pseudogerygone in its much longer slen- 

 derer bill and stouter legs and feet, with the first primary 

 proportionately longer. This genus shows an approach 

 to Hapolorhynchus Reichenow. 



Type, Gerygone mathewsae Mathews. 



684. Tregellasia, gen. nov. 



Differs from Poecilodryas in its shorter wider bill, 

 weaker legs and feet and different wing formula. 

 Type, Eopsaltria capito Gould. 



699. Gilbertoenis, gen. nov. 



Differs from Pachycephala in its stouter bill and longer 

 tail which is square, not forked, and in its proportionately 

 much longer and broader first primary of the wing. 



Type, PachycepTiala rufogularis Gould. 



