EDOLISOMA. 489 
Male.—Above bluish gray, becoming lighter on lower back, and pearl- 
gray on rump and tail-feathers ; frontal band, lores, sides of face to above 
eyes, chin, throat, and fore breast glossy black; rest of under parts slate- 
gray; wings and tail mostly black; secondaries and wing-coverts broadly 
edged with ashy gray; a few of the primaries narrowly edged with ashy 
gray; two middle rectrices gray for three-fourths of their length and 
some of the outer ones tipped with gray. Length, about 230; wing, 122; 
tail, 100; culmen from base, 21; bill from nostril, 16; tarsus, 21. 
Female.—Wings and tail as in the male, remaining plumage ashy gray 
or light slate-gray, becoming delicate pearl-gray on rump, abdomen, and 
upper and.under tail-coverts. Iris dark brown; bill, legs, and nails 
black. Wing, 117; tail, 92; culmen from base, 21; bill from nostril, 16 ; 
tarsus, 22. 
“Average length of three males, 218; wing, 115; tail, 92; culmen, 25; 
tarsus, 21; middle toe with claw, 22. Two females, length, 227; wing, 
115; tail, 91; culmen, 24; tarsus, 23; middle toe with claw, 22. Iris, bill, 
legs, and nails black; food fruit and seeds in the individuals examined. 
This species is very similar to H. everett.” (Bourns and Worcester MS.) 
458. EDOLISOMA ELUSUM McGregor. 
ELUSIVE CUCKOO SHRIKE, 
Edoliisoma elusum McGrecor, Bureau Govt. Laboratories, Manila (1905), 
34, 19; McGrecor and WorcrEsTER, Hand-List (1906), 77. 
Luzon (Celestino) ; Mindoro (McGregor). 
Male.—Similar to the male of H. mindanense, but rump and upper 
tail-coverts bluish slate-gray like the back and not lighter pearl-gray. 
Description of type.—General color bluish slate; chin, throat, fore 
breast, forehead, and sides of head, including lores and a wide line over 
eye, jet-black; alula, primary-coverts, and primaries black; inner prim- 
aries and inner feathers of alula narrowly edged with gray; secondaries 
black with wide edges of blue-gray, which cover nearly the entire outer 
web; secondary-coverts gray; inner webs of quills partly dark blue-gray, 
this begins as a small basal area on the short first primary, becomes 
greater on each succeeding quill, and reaches nearly to the tips of inner 
quills; a narrow edging of white on inner webs of first four quills; tail 
black; from below outermost pair of rectrices tipped with blue-gray (20 
mm. in length) ; on second pair the gray tip much less, and only a trace 
on some of the other rectrices; central pair blue-gray above, with a 
subterminal black area. Length, 236; culmen from base, 22; bill from 
nostril, 16; wing, 127; tail, 106; tarsus, 23. 
Female—Similar to the female of #. mindanense, but ramp and upper 
tail-coverts slate-gray like the back; abdomen and crissum gray like the 
breast, not lighter as in H. mindanense. Length of female type, 236; 
culmen from base, 22; bill from nostril, 15; wing, 126; tail, 106; tarsus, 
