486 MANUAL OF PHILIPPINE BIRDS. 



Genus EDOLISOMA Jacquinot and Pucheiau, 1853. 



This genus is similar to Artainkles, but its members are smaller and 



the bill is decidedly more slender. The plumage is unbarred in the adult 



and the male has the chin, throat, forehead, and face masked in black, or 



else the whole plumage is black. The young have the under parts barred. 



The following key to species is modified from the one given by Grant, 



Ibis (1896), o38. 



Species. 



a*. Crissum and tips of rectrices black or gray; no white wing-band. 

 6\ Plumage nearly uniform glossy black or blackish gray ( males ) . 

 c*. Plumage entirely glossy black. 



d>. Back glossed with blue caerulescens (p. 48(ii 



dr. Back slightly glossed with green alterum (p. 487) 



C-. Plumage nearly uniform blackish or dark gray (females). 



d^. Darker ; under parts uniform dull smoke-gray caerulescens ( p. 48(5 ) 



d-. Lighter; under parts uniform slate-gray alterunl (p. 487) 



h'-. Plumage not entirely uniform in color; wings and tail mostly black; under 

 parts mostly light gray. 

 &. Band across forehead, lores, sides of face, and throat black (males) . 

 d^. Rump and upper tail-coverts whitish gray, much paler than the back. 



mindanense ( p. 488 ) 

 d^ Kump and upper tail-coverts gray, uniform in color with the back. 



e\ Smaller; wing, 123 mm _ everetti (p. 488) 



e-. Larger; wing, 130 mm elusum ( p. 4S0 ) 



C-. Entire head and throat gray, uniform with back and breast (females) . 

 f/\ Rump and upper tail-coverts whitish gray, much paler than the back. 



mindanense (p. 488) 

 d". Rump and upper tail-coverts gray, uniform in color witli tlie back. 



e\ Smaller; wing, 117 mm everetti (p. 488) 



e-. Larger; wing, 125 mm elusum ( p. 489 ) 



a^. Crissum, tips of rectrices, and wing-band pure white. 



6\ Forehead, lores, cheeks, throat, and breast black, slightly glossed with 



greenish (male) panayense (p. 487) 



6^ Entire head, throat, and breast gray like back and abdoinen (female). 



panayense (p. 487) 



453. EDOLISOMA C/ERULESCENS (Blyth). 

 LUZON CUCKOO SHRIKE. 



Ceblepyris cccrulescens Bia'TH, Jour. As. Soc. Bengal (1842), 11, 463. 



Volvoeivora (f) caerulescens Waldex, Trans. Zool. Soc. (1875), 9, 178, pi. 

 30, fig. 2. 



Edoliisoma cccrulescens Shabpe, Cat. Birds Brit. Mus. (1879), 4, 44; Hand- 

 List (1901), 3, 294; Grant and Whitehead, Ibis (1898), 235, pi. 6, 

 fig. 3 (egg) ; Whitehead, Ibis (1899), 102 (habits) ; Oate.s and Reid, 

 Cat. Birds' Eggs (1903), 3, 295; McGregor and Worcester, Hand-List 

 (1906), 77. 

 Luzon (Meyer, Everett, M Ollendorff, Whitehead, Steere Exp., McGregor) . 



Male. — Entire plumage black; head, neck, back, and under parts 

 slightly glossed with blue; wings very faintly glossed with dark green. 



