590 MANUAL OF PHILIPPINE BIRDS. 



Genus AKTAMUS Vieillot, 1816. 



Mandible with a slight notch near tip; rictal bristles much less than 

 bill from nostril; first primary very small and slender, not longer than 

 culmen from base; second primary longest, the wings when folded reaching 

 beyond the middle of tail; tail short and square, the rectrices broad and 

 square; plumage compact. Colors white and gray. 



576. ARTAMUS LEUCORYNCHUS (Linnaeus). 

 WHITE-BELLIED SWALLOW SHRIKE. 



Lanius leucorynchits Li.xN^us, Mantissa (1771), 524. 



Artamits leucogastcr Shakpe, Cat. Birds Brit. Mus. (1890), 13, 3; Hand- 

 List (1903), 4, 260; Whitehead, Ibis (1899), 240 (habits); Gates 

 and Reid, Cat. Birds' Eggs (1905), 4, 257. 



Artamus leucorynchtis McGregor, Bur. Govt. Laboratories, Manila (1905), 

 34, 22, pis. 16 to 18 (nesting habits). 



Artamus leucorhynchus McGkegob and Worcester, Iland-List (1906), 91. 



Git-git, Ticao, Lubang, and Manila; it-it, Bohol. 



Bantayan (McGregor) ; Banton (Celestino) ; Basilan (Everett, Steere Exp., 

 Bourns d Worcester, McGregor) ; Bohol (Everett, McGregor) ; Bongao (Everett) ; 

 Buluan (Mearns) ; Calamianes (Bourns d Worcester, McGregor) ; Caluya 

 (Porter); Catanduanes (Whitehead); Cebu (Murray, Everett, Steere Exp., 

 Bourns & Worcester, McGregor); Cuyo (McGregor) ; Guimaras (Meyer, 8teer» 

 Exp., Bourns d Worcester) ; Leyte (Everett, Bartsch) ; Lubang (McGregor) ; 

 Luzon (Meyer, Everett, Steere Exp., Bourns d Worci^ster, Whitehead, McGregor, 

 Bartsch) ; ISIarinduque (Steere Exp.) ; Masbate (Bourns d Worcester, McGregor) ; 

 Mindanao (Steere, Everett, Koch d Schadenberg, Steere Exp., Bourns d Worcester, 

 Celestino) ; Mindoro (Steere Exp., Schmacker, Bourns d Worcester, McGregor) ; 

 Negros (Meyer, Everett, Steere Exp., Bourns d Worcester, Keay) ; Palawan 

 (Platen, Bourns d Worcester, White) ; Panay (Steere Exp., Bourns d Worcester) ; 

 Papahag (Bartsch) ; Polillo (McGregor) ; Romblon (Bourns d Wo7cester, Mc- 

 Gregor); Samar (Whitehead); Semirara (Worcester); Sibay (McGregor d Wor- 

 cester) ; Sibuyan (Bourns d Worcester, McGregor) ; Siquijor (Steere Exp., Bourns 

 d Worcester, Celestino) ; Sulu (Burhidge, Guillemard, Bourns d Worcester, 

 Bartsch) ; Tablas (Bourns d Worcester) ; Tawi Tawi (Bourns d Woreester) ; 

 Ticao (McGregor) ; Verde (McGregor). Australia, Papuan and Andaman Islands, 

 Malay Archipelago. 



Adult (sexes alilce). — Upper tail-coverts pure white; remainder of 

 upper parts with wings and tail slate-gray; mantle and back decidedly 

 browner; primaries and rectrices blacker; loral and nasal plumes black; 

 sides of head and neck slate-gray; chin, throat, and fore part of chest 

 blackish slate; remainder of under parts, axillars, and wing-lining pure 

 white. Iris dark; bill light blue, its tip black; legs and nails black. 

 Length, 190 to 200. A male from Siquijor measures: Wing, 136; tail, 

 67; culmen from base, 21; bill from nostril, 15; tarsus, 16.5. A female 

 from Luzon, wing, 137; tail, 66; culmen from base, 20; bill from nostril, 

 14; tarsus, 15. 



Young. — Four -large nestlings taken in Benguet, Luzon, April 19, 1903, 

 resemble the adult in having the breast, abdomen, and crissum white. 



