79a. 
*80. 
81. 
82. 
4] 
Astur sphenurus riggenbachi Neumann, 
Bull. B.O.C., xxi., p. 69 (1914) [Gassam, 
E. of Thiés. Senegal type in Riggenbach 
coll.] 
Riggenbach’s Goshawk. 
Wing ¢ 177 mm.; much darker above, 
more like A. soloensis; below vinous buff, 
throat and upper breast uniform in adult, 
below barred with white. 
Astur polyzonoides (Smith), Ill. Zool. S. 
Afr., pl. xi. (1838). [S. Africa, type in 
B. M.] 
Little Barred Goshawk. 
Smaller; wing g 160, 2 190 mm.; above 
slaty brown ; tail (including centre feath- 
ers) with 6 darker bars; below white, 
narrowly barred with rufous brown ; wing 
quills all banded with black below. 
Astur butlers Gurney, Bull. B.O.C., vii., p. 
xxvil. (1898). [Car Nicobar I., type in 
Norwich Mus. ] 
Butler’s Goshawk. 
Wing ¢ 173 mm. ; tail with only one indis- 
tinct subterminal bar ; under wing-coverts 
white. 
Astur soloensis Horsf. Trans. Linn. Soc., 
xuli., p. 137 (1821). [Java.] 
Chinese Goshawk. 
[A. cuculoides a synonym.] 
Wing ad. 180-200 mm. ; tail with 5 bars ; 
body below, pale buffy vinous without bars. 
Senegal. 
S. Africa, N. to 
Nyasaland. 
Car Nicobar 
I., Bay of 
Bengal. 
China, S. in 
winter to Malay 
Archipelago and. 
New Guinea. 
