208 ON GERYGONE- AND EURYLAIMUS-SPECIES 
1908, Coll. Jacobson n°. 725; Q, Batavia, 14 October 
1908, Coll. Jacobson n°. 607. 
oO’. Upper parts ashy grey with almost imperceptible 
tinge of olive on the back; wings dark ashy grey with 
greyish white margins to the outer webs of the outer 
remiges, except of the first and second, and with olivaceous 
grey margins to the outer webs of the inner remiges and 
of the greater wingcoverts; under wingcoverts white; 
feathers of bend of wing white with a delicate yellow tinge 
and a dark grey shaftstripe; tailfeathers ashey grey with 
a broad terminal blackish band and with a white spot at 
the end of the inner web, largest at the outer pair, want- 
ing at the middle pair; under tailcoverts white; chin, 
throat and middle of breast lemon yellow; vent whitish 
yellow; sides of breast olivaceous grey; sides of body pale 
yellow with greyish tinge; sides of head and earcoverts 
ashy grey like the head; feathers at the base of the upper 
mandible and of the lores white. Iris brown, bill and feet 
black '). Wing 52, tail 37, bill 8.5, tarso-met. 17 mm. 
Q. Similar to the male, but the colour of the head 
more like that of the back; feathers of lores and of base 
of bill less pure white. Iris brown, bill black, feet grey. 
Wing 49, tail 33, bill 8.5, tarso-met. 16 mm. 
In a young male (Batavia, 14 October 1908, Coll. Jacobson 
n°. 604) the colour of the upper parts is less clear, more 
tinged with olive brownish; also the yellow of throat and 
breast is paler. Wing 53, tail 36, bill 8.5, tarso-met. 16 mm. 
The other bird, on which I will draw attention here, 
is Eurylaimus javanicus Horsfield. This species has been 
described by Horsfield after a specimen from Java. Lateron 
ornithologists have applied this name to birds from Java, 
as well as to those from Sumatra, Borneo, Banka, Billiton, 
and the continent of Asia. This is partly wrong, as only 
the form from Java must have this name, those from the 
1) In other males the colour of the feet is given as grey. 
Notes from the Leyden Museum, Vol. XXXI. 
