PALCONIDJE. 
Genus SPILORNIS 1 G. R. Gray. 
Spilornis cheela (Lath.). Serpent Eagle. 
[Sp Harms cheels cheela (Lath.). 
Spilornis Cheela Latham, Ind. Om. i, 1790, p. 14 : Lucknow, India, 
Disf.r.-“Extra-limital . ] 
Spilornis cheela bassus (Forst.). 
Falco Bassus j, R, Forster, in Levaillant, Naturg. Afr. Vog. 179S, 
p. 55 1 pL 15 : Africa error = Sumatra. 
Falco bacha Daudin, Traife d'Orn. ii, iSoo, 43 : the same. 
Spilornis cheela malayensis Swann, Svn, List. Acctp. 1910, p. 83 : Raub, 
Pahang, Malay States. 
Distr. — Malay Peninsula; Anamba Islands. 
Sumatra; Rhio Archipelago. 
Spilornis cheela pallidus Wald. J 
Spilornis paUidus Walden, Ibis, 1S72 : p. 363 : Sarawak, 
Spilornis raja Sharpe, Bull. B. 0 , CL i, 1893, p. 55 : Sarawak. 
? Spilornis cheela rickntondt Swann, Syn. List. Accip. 1922, p. 135 ; 
South-west Borneo. 
Distr. — Borneo (low lands). 
Spilornis cheela kinabaluenst* * Scl. 
Spilornis cheela kinabaluensis W. L. Sclater, Bull. B.O.Cl, xl, 
1919, P* 37 : Mt. Kinabalu, British North Borneo. 
Distr . — The mountains of North Borneo. 
Spilornis cheela bido (Horsf.). 
Falco bido Horsfield, Trans. Linn, Soc, xiii, 1821, p. 137: Java. 
Drsfr. — Java; Bali. 
*Spilomis cheela baweanus Oberh, 
Spilornis bassus baweanus Oberholser, Proc. U.S. Nat. Mus. lii, 
1917 1 p, 1S5 : Bawean Island. 
Distr r — Bawean Island. 
* There seems to be some doubt as to whether or not Htematorms Gould 
antedates H amatornis Vigors (March, 1832) the use of which for this genus 
is invalidated by ficematornis Swains. (Feb. (832}. 
* Revision : Oberh., Bull, U.S, Nat. Mus. 159, 1932. P- >Q- 
3 A thin race standing on average small size and pale colour only. 
North of the Baram River it is probably not separable from bassus : birds 
agreeing with richmondi occur in Sarawak. 5 , raja is merely an immature 
bird of pallidas : the type and unique specimen has been regarded as repre- 
senting a Bornean race of rufi pectus of Celebes, 
