308 
Lord Tweeddale on Birds from 
84. Oriolus xanthonotus. 
Oriolus xanthonotus, Horsf. t.c. p. 152, “ Java” (1820); 
Zool. Res. Java, t. 46. 
Javan, Sumatran; Malaccan, and Bornean examples ex¬ 
hibit no specific differences. 
85. Oriolus coronatus. 
Oriolus chinensis, Linn., Raffles, t. c. p. 303, “ Sumatra,” 
nee Linn. 
Oriolus coronatus, Sw. Cent. p. 342, “Java” (1837). 
Mr. Buxton obtained a large series, which are identical with 
typical examples. 
86. Cyanoderma erythropterum. 
Timalia erythroptera, Blyth, J. A. S. B. 1842, p. 794, “ Sin¬ 
gapore.” 
Timaliapyrrhophcea, Hartl. Rev. Zool. 1844, p. 402, “Su¬ 
matra.” 
On comparing examples obtained at the foot of Mount 
Ophir, Malacca, by Mr. W. Ramsay, who carefully, by dis¬ 
section, ascertained the sexes, I can find no difference of 
plumage whereby the male can be distinguished from the 
female. 
87. Macronus ptilosus. 
Macronus ptilosus, Jard. & Selby, Ill. Orn. t. 150 (1835). 
Timalia trichorros, Temm. PL Col. 594. f. 1, “Borneo, 
Sumatra” (1836). 
Malaccan, Bornean, and Sumatran examples belong to one 
species. 
88. Brachypteryx buxtoni. (Plate VI. fig. 2.) 
Brachypteryx buxtoni, Tweeddale, P. Z. S. 1877 (April 
17th). 
89. Drymocataphus nigricapitatus. 
Brachypteryx nigrocapitata, Eyton, P. Z. S. 1839, p. 103, 
“ Malacca.” 
The Sumatran bird in no way differs from the type species. 
