HYLOTERPE. 601 



sienna-brown and larger underlying markings of bluish gray. Measure- 

 ments 23 mm, by 17 mm. 



"Nest cup-shaped, very similar to that constructed by lole philippensis, 

 and composed of similar materials — fine roots and dead leaves. It was 

 situated in the undergrowth of old forest in a small tree about three 

 meters from the ground, and the female bird was obtained." ( Grant and 

 Whitehead.) 



586. HYLOTERPE FALLAX McGregor. 



CALAYAN THICKHEAD. 



Hyloterpe fallow McGeegoe, Bull. Philippine Mus. (1904), 4, 27; McGbegob 

 and Worcester, Hand-List (1906), 93. 



Sa-mot ba-sit, Calayan. 

 Calayan ( McGregor ) . 



Adult. — Top of head hair-brown washed with olive-green; remainder 

 of upper parts, including exposed edges of wing-feathers and rectrices, 

 dark olive-green; ear-coverts drab; chin and throat white with distinct 

 dusky shaft-lines, bordered posteriorly by a crescentic, dusky band of 

 drab, washed posteriorly with olive ; breast, abdomen, and crissum yellow, 

 pale for the greater part, but bright lemon-yellow on crissum; sides of 

 breast and flanks dusky olive-green; feathers of thighs gray, tipped with 

 yellow; edge of wing, under wing-coverts, and axillars white washed 

 with yellow; inner webs of quills edged with white. Bill black; legs 

 plumbeous ; nails flesh-color. Measurements of male cotype : Length, 152 ; 

 wing, 83 ; tail, 64 ; culmen from base, 17 ; bill from nostril, 11 ; tarsus, 

 21. Female cotype, wing, 79 ; tail, 67 ; culmen from base, 17 ; bill from 

 nostril, 11; tarsus, 21. 



Immature. — Sides of face and pectoral band washed with faint reddish 

 brown ; edges of wing-quills reddish brown. Bill dark brown, lower 

 mandible lighter. 



587. HYLOTERPE ILLEX McGregor. 

 CAMIGTJIN THICKHEAD. 

 Hyloterpe illex McGregor, Phil. Jour. Sci. (1907), 2, sec. A, 348. 



Camiguin N. {McGregor). 



Adult. — Similar to Hyloterpe fallax, but slightly larger; breast and 

 flanks more strongly suffused with yellow. Male type, length, 183 ; 

 wing, 93; tail, 75; culmen from base, 17; bill from nostril, 11; tarsus, 

 21. Female, wing, 86 ; tail, 67 ; culmen from base, 16 ; bill from 

 nostril, 12; tarsus, 22. 



Young. — A young bird taken in June has most of the head and 

 body covered with vinaceous-cinnamon down, darker on the back; under 

 tail-coverts pale yellow; wing-feathers and rectrices blackish brown, 

 edged with olive-green; innermost secondaries and secondary -coverts 

 washed with vinaceous-cinnamon. 



