PRIONITURUS. 279 



238. PRIONITURUS WATERSTRADTI Rothschild. 

 WATERSTRADT'S RACKET-TAILED PARRAKEET, 



Prioniturus waterstradti ROTHSCHILD, Bull. Brit. Orn. Club (1904), 14, 

 72; HABTEBT, Novit. Zool. (1906), 13, 756; GRANT, Ibis (1906), 

 495; MCGREGOR and WORCESTER, Hand-List (1906), 49. 



Mindanao ( Waterstradt, Goodfellow). 



Male. "Forehead to the eyes pale blue, the feathers being green at 

 base; lores and sides of face greenish blue; sinciput and nape grass- 

 green; scapulars and back green with a slight brownish tinge; rump 

 light greenish brown; wings outwardly bright green, inner webs of 

 remiges, blackish from above, pale bluish from below; upper wing-coverts 

 grass-green, slightly tinged with blue near bend of wing ; rectrices, bright 

 green from above, bluish from below, tipped with dull black for about 

 12 to 14 mm., the central pair quite green except the shaft and spatules, 

 which are dull black; entire under side uniform yellowish green. Bill 

 (in skin) whitish with leaden-gray base; feet dark gray. Wing, 152 to 

 157; tail, about 66, with lengthened central pair, 120 to 140; culmen 

 from cere, 22; metatarsus, 15. One specimen marked ' $ Ms similar 

 to the male." (Rothschild.) 



This species is known from specimens collected by Waterstradt on 

 Mount Apo at 900 meters elevation, and by Goodfellow at 2,500 meters. 



239. PRIONITURUS MINDORENSIS Steere. 

 MINDORO RACKET-TAILED PARRAKEET. 



Prioniturus mindorensis STEEBE, List Birds and Mams. Steere Exped. ( 1890) , 

 6; SALVADORI, Cat. Birds Brit. Mus. (1891), 20, 419; SHARPE, Hand- 

 List ( 1900 ) , 2, 29 ; MCGREGOR and WORCESTER, Hand-List ( 1906) , 49. 



Mindoro (Steere Exp., Schmacker, Everett, Bourns & Worcester, Whitehead, 

 McGregor, Porter). 



Male. Most nearly related to P. discurus but distinguished by the 

 crown patch which in mindorensis is blue with a slight violet tinge and 

 is sharply defined in front against the green forehead; the bill is larger 

 and the rackets are never so long as in adult specimens of discurus. 

 Length, including rackets, 317; wing, 165; tail without rackets, 90; 

 culmen from front margin of cere, 22. 



Female. Similar to female of discurus but often with traces of the 

 violet crown patch. Length, including rackets, 300; wing, 160; tail 

 without rackets, 90 ; culmen from front margin of cere, 21. 



"Three males average, 268 in length, exclusive of rackets; wing, 162; 

 tail, 135; culmen, 20; tarsus, 21; middle toe with claw, 28. A female 

 measures, 261 in length; wing, 154; tail, 118; culmen, 21; tarsus, 15; 

 middle toe with claw, 27. Iris light straw-yellow, nearly white ; legs, feet, 

 and nails light leaden; bill pale horn-color." (Bourns and Worcester 

 MS.) 



