183 
Gen. XC. POLIHIERAX Kaup (1847). 
Type by monotypy Falco semitorquatus Smith. 
[ = Poliohierax Sharpe et auct.] 
Nostrils as in Microhierax ; tarsus less feathered 
in front ; wing with second primary longest, first 
nearly equal to third, 4th shortest ; size small 
(length under 8 in.) ‘ 
*285. 
285a. 
Poliierax semitorquatus — semitorquatus 
omen); ikep. Expl. ‘Centr. Afr, p. 44 
(1836). [Near Latakoo, Bechuanaland.] 
African Pigmy Falcon. 
Wing ¢ 117, 2 121 mm.; .g above bluish 
grey ; head darker ; forehead, sides of face 
and hind neck pure white ; quills and tail 
brown, spotted on outer and barred on inner 
webs with white ; upper tail-coverts white, 
as well as entire under parts ; 9 interscapu- 
lary region and scapulars deep vinous 
chestnut. . 
Polihierax semitorquatus castanonotus 
Heugl., Ibis, 1860, p. 407. [Meré Belenia, 
White Nile.) 
Abyssinian Pigmy Falcon. 
Wing ¢ 115-119, 9 120 mm.; above with 
head and neck darker slaty grey; below 
with white bars on under surface of wings 
and tail broader; wings rather longer ; 
feet stronger and stouter. 
5) Atnica: 
Bechuanaland 
to Damaraland, 
Orange Free 
State, and 
Basutoland. 
S. Abyssinia, 
Somaliland, 
Brit. E. Adnica: 
1 Heuglin afterwards withdrew this name, as his supposition that the mantle 
was Chestnut in both sexes proved incorrect. 
serve to distinguish the northern from the southern race. 
The characters I have given, however, 
Zedlitz (J. f. O., 1914, 
p. 675) has described P. s. deckeri from S. Somaliland, while Oberholser had previously 
described P. s. homopterus from W. Somaliland, but I am unable to separate these 
supposed races from castanonotus. 
