GENUS RHIPIDURA. 91 
This species has, as a rule, the chin black like the 
throat, but one of our specimens, as well as the only 
specimen of this species in the British Museum has the 
chin white. 
54. Rhipidura euryura S. Müller. 
Leucocerca euryura Salvad. Ucc. di Borneo, p. 136 (1874). 
Neomyias euryura Sharpe, Cat. B. Br. Mus. IV, p. 342 (1879). 
Three typical specimens from Java (Miiller and Boie); 
a fourth specimen from Java and another from Sumatra, 
in which latter island this species was not known to be 
found as yet. 
This species is easily known by its nearly uniform bluish 
gray color, having only the eyebrow, abdomen, under 
tail-coverts and a very small tip to the outermost tail- 
feather white. 
55. Rhipidura perlata 8. Müller. 
Male and female (types), coilected by S. Miiller in Su- 
matra, and three specimens from Borneo. 
These specimens, though all apparently adult, differ 
very much in size, the wing of the smallest specimen 
from Borneo being 7,9 cm., the largest 8,6, which is also 
the size of the typical specimens from Sumatra. 
Whole upper surface bluish gray, chin, throat, chest 
and flanks sooty black, breast, abdomen and under tail- 
coverts white, the throat provided with narrow white 
shaft-streaks and the chest with large drop-like spots of 
the same color. Tail black, the three outer pairs of fea- 
thers very broadly tipped with white. 
56. Rhipidura tenkatet Biittikofer. 
The typical specimen from the island of Rotti (see N. L. 
M. 1892, p. 205). This species differs from R. buruensis 
by the large white tips to the two outermost pairs of 
tail-feathers. 
INotes from the Leyden Museum, Voi. XV. 
