Birds of Celebes: Falcoiiidae. 
31 
to that mountain of North Borneo (I 4)- Gurney ^^^ntioars a specimen cap iu^ 
at sea off the Natuna Islands on November 
writes, see /i), and we cannot agree with him that it had ^ 
so far to the southward (m2)\ the same g 3 gN 
that it may occur as “only a winter visitor to Java ,P. /• S. ’ ^ j’ ■ • 
Dr. Sharpe takes the same view. But, since other species, such ^ 
soloemis, Butastur indicus and Ninow scutidata japonica, 
China and Japan, appear to fix their winter limits in Borneo an oi ' . , ’ 
going little south of the equator, it is desirable to ascertain whe er . e , 
which invade Java in our winter, are not 
making a movement similar to that which appears to ta 'e p ace u i 
liventer of the same regions. wionrio 
More mnoiry should also be made os to whether the Phihj.pme , Islands 
* • A ^^icfino'msllfLblc TtlCG* ilifisnilicll flS tllG 
are really inhabited by a, stationary am . g 
few specimens known irom those qun.tm n Giiimaras, 
the time of the southern migration fiom Mlnflnmo — 4 speci- 
March (Meyer Mindanao, Dec. — Apri ( ^ j ^ April 3'''* 
mens, April* (Ever ett j 3) ; Luzon, 2 sometime be ween Jan. 1 and Apiil 
(Whitehead /2), 1 in winter, 
A smgle specimen oi A. twpatiis pulau pieske; it is now 
by Dr. Biedel has been most kindly lent^ to us^ 
preserved in the St. Petersburg Museu ^ jj^^^ert records three specimens, 
of Celebes. Djampea Island, from where Harteit lec 
also falls within the Celebesian Province as de ne i 
Appended is a general description of the species and of the above speci 
men from Celebes. 
Figures and descriptions. Tenimnick f L :? 
Sharpe 1 1, k 5-, Hume '' ^laty, car-coverts ami sides of neck greyer; 
Adult (general description). Abov ‘ four bars of blacMsh; throat, abdomen and 
tail ashy gi’ey crossed wth tli ^ ^.^gt of 
under tail-coverts white, udng-coverts wdiitisb marked with brown; 
under surface vinous chestnut; undci wing 
wung below ashy crossed wi i 
Measurements (from Grant vi 5 converted to 
Typical A. rirgatiis Q 
A. virgatm af finis Q . . 
A. virgatus gulans $ • • 
A. virgatus gularis cf ■ • 
A. virgatus manilensis 5 
A. virgatus mantlensis rf 
A. virgatus rufotibialis 
mm). 
Wing 
Tail 
Tarsus 

183 
145 
51 
203-221 
168-180 
55-56 
183-190 
127-142 
50-53 
157-107 
1 14-119 
41-47 
175-178 
137-140 
52-53 
1 52-1 55 
1 22-1 24 
51 
149-150 
114-117 
46 
