CYANOMYIAS. 455 
Genus CYANOMYIAS Sharpe, 1879. 
Bill slightly compressed near tip, depth at nostril two-thirds of width, 
outline slghtly. concave toward the tip; rictal bristles conspicuous, the 
longest more than bill from nostril; wing and tail about equal, wing 
formula as in Hypothymis; tarsus one and one-half times the bill from 
nostril; feathers of head stiffish, decomposed basally and conspicuously 
antrorse on lores; feathers of occipital crest long and narrow. 
415. CYANOMYIAS CCELESTIS (Tweeddale). 
CELESTIAL BLUE FLYCATCHER. 
Hypothymis ceclestis TWEEDDALE, Ann. & Mag. Nat. Hist. (1877), IV. 20, 
536; Proc. Zool. Soe. (1878), 109, pl. 7, fig. 1 (9). 
Cyanomyias celestis SHARPE, Cat. Birds Brit. Mus. (1879), 4, 278; Hand- 
List (1901), 3, 249; McGrecor and WorcEstTER, Hand-List (1906), 73. 
Basilan (Steere Exp., McGregor); Dinagat (Hverett); Luzon (McGregor) ; 
Mindanao (Bourns & Worcester, Celestino) ; Sibuyan (Bourns & Worcester). 
Male.—General color blue; forehead, lores, and entire head and face 
clear cerulean blue contrasting strongly with the light cobalt-blue of 
back, wings, and tail; chin, throat, and fore breast deep azure-blue, 
becoming gradually fainter and more greenish on lower breast ; abdomen, 
flanks, and under tail-coverts white, washed more or less with turquoise- 
blue; thighs blue; rectrices black below and their inner webs black above; 
primaries and secondaries black, edged with blue. Ivis white; eyelids 
light greenish yellow; bill dark blue like throat with black tip and 
edges; legs very dark blue; nails black. Length of a male from Basilan, 
165; wing, 75; tail, 76; culmen from base, 14; bill from nostril, 9; 
tarsus, 16; crest, 36. 
Female.—Differs from the male in having a much shorter crest and 
less intense colors; top of head darker, of nearly the same shade as 
back and wings; throat and breast cobalt instead of azure. Wing, 73; 
tail, 70; bill from nostril, 15; tarsus, 16; crest, 17. 
This magnificent flycatcher is very rare; it is found in small numbers, 
feeding and moving about in the tops of forest trees, associated with 
species of such genera as Hypothynus, Rhipidura, and Pardaliparus. 
“A very rare bird. Found only by accident, and always with other 
flycatchers. Four males average: Length, 159; wing, 72; tail, 74; 
culmen, 16; tarsus, 16; middle toe with claw, 15. Two females, length, 
154; wing, 73; tail, 74; culmen, 16; tarsus, 17; middle toe with claw, 16. 
Iris dark brown; legs and feet slaty blue, nails black; bill black at tip 
and along gape, elsewhere blue; eye-wattles greenish yellow.” (Bourns 
and Worcester MS.) 
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