139 



225b. Spilornis rufipectus sulaensis (Schl.) Vog. 

 Ned., Valkvog., p. 38, pi. 23, figs. 4-6 (1866). 

 [Sula Is., type in Leyd. Mus.] 

 Sula Serpent-Eagle. 



Wing ? 306, 3 309 mm. 

 paler. 



rufous of chest 



Sula Islands. 



226. Spilornis holospilus holospilus (Vigors), 

 P.Z.S., 1831, p. 96. [Near Manila.-] 

 Philippine Serpent-Eagle. 



Larger ; wing ? 341-367 mm. ; above pale 

 brown, with a purplish gloss, the feathers 

 irregularly spotted with white at tips ; in- 

 terscapulary region with pale rufous tips 

 and large rounded white spots ; head and 

 crest ashy black, spotted with white, and 

 with rufous margins ; tail with broad 

 median and subterminal blackish bands ; 

 face and throat ashy grey ; rest of under 

 parts pale tawny rufous, ocellated with 

 spots and half bars of white. 



Philippine Is. 

 (Luzon, Cebu, 

 Mindanao, 

 Basilan.) 



226a. Spilornis holospilus panayensis Steere, List Philippine Is. 



Birds, etc., PhiUpp., p. 7 (1890). {Panay, (Panay, 



Philipp. Is., type in Brit. Mus.] Guimaras, 



Steere 's Serpent-Eagle. Negros.) 



Wing ? 317 mm. ; very much paler, 

 especially below, without the rufous shade 

 on breast and belly. 



Gen. LXII. TERATHOPIUS Less. (Traite, Uvr. i., Febr., 1830). 



Type by monotypy Falco ecaudatus Shaw = F. ecaudatus Daud. 

 [ =Helotarsus, auct. plur.] 



Head with a crest of rounded feathers ; tail ex- 

 tremely short ; wings exceeding tip of tail by more 

 than length of tarsus ; size large. 



