279b. 
178 
“ Resembling P. c. celebensis, but with a 
long crest composed of one or two elongated 
feathers, usually measuring about 64 mm. 
and coloured black with white bases ; asa 
tule, not so richly coloured... the trans- 
verse banding on belly and under tail- 
coverts brown and white, not black and 
white, and black on under wing-coverts 
also paler.” 
Pernis celebensis tweeddalii Hume, Stray 
Feathers, ix., p. 446 (1880). [Szngapore.] 
Malayan Pern. 
Wing ¢ 395, 2420 mm. ; without rufous on 
head and neck and with less rufous on 
chest ; intermediate in general characters 
between celebensis and cristatus. 
Malay Penin., 
Sumatra, Siam. 
