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Pachycephalopsis leucostigma (Salvad.). (8-223.) 
Speckle-breasted Thickhead. 
Pachycephala leucostigma Salvadori, Ann. Mas. Civ. Gen. vol. vii. 
p. 933, 1875 (1876) : Arfak Mts., N.W. New Guinea. (Fig. Ibis, 
Suppl. 1915, pi. 4.) 
Distr .—New Guinea. 
Pachycephalopsis albispecularis (Salvad.). (8-212.) 
White-spotted Thickhead. 
Pachycephala albispecularis Salvadori, Ann. Mus. Civ. Gen. vol. vii. 
p. 931, 1875 (1876): Arfak Mts., N.W. New Guinea. 
Distr .—New Guinea. 
Pachycephalopsis strenua (De Vis). Strenuous Thickhead. 
Pachycephala strenua De Vis, Rep. Brit. New Guinea, 1896-97, p. 85, 
1898 : Wharton Range, S.E. New Guinea. 
Distr .—New Guinea (S.E.). 
Genus QUOYORNIS Math. 
Quoyornis Mathews, Austral Av. Rec. vol. i. p. Ill, Dec. 24th, 1912. 
Type (by original designation) : Muscicapa georgianus Q. et G. 
Quoyornis georgianus (Q. et G.). White-breasted Robin. 
Distr. —South-West Australia. 
Quoyornis georgianus georgianus (Q. et G.). (8-178.) 
Muscicapageorgiana Quoy et Gaimard, Voy. Astrol., Zool. vol. i. p. 175, 
pi. 3. fig. 4, (pref. June 29th) 1830 : King George’s Sound, South- 
West Australia. (Fig. Math. viii. pi. 398.) 
Quoyornis georgianus warreni Mathew's, Austral Av. Rec. vol. iii. p. 59, 
April 7th, 1916 : Warren River, South-West Australia. 
Distr. —South-West Australia (King George’s Sound). 
Quoyornis georgianus leucogaster (Gould). 
Eopsaltria leucogaster Gould, Proc. Zool. Soc. Lond. 1846, p. 19, 
May : Perth, South-West Australia. (Fig. Gould, iii. pi. 13.) 
Distr. —South-West Australia (Perth District). 
Genus EULACESTOMA De Vis. 
Eulacestoma De Vis, Ann. Rep. Brit. New Guinea, 1893-94, App. p. 102, 
1894. Type (by monotypy): E. nigrojiectus De Vis. 
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