ZOSTEROPS. 613 
Male.—Differs from Rhabdornis mystacalis in having the back brown 
(near prout’s brown of Ridgway) instead of gray, and in having the bill 
decidedly shorter. Length, about 142. A male from Bohol measures: 
Wing, 78; tail, 45; culmen from base, 19; bill from nostril, 13; tarsus, 
as 
Female.—Differs from the male in having general color of crown, ear- 
coverts, and sides of neck brown instead of black. A female from 
Basilan measures: Wing, 77; tail, 43; culmen from base, 18; bill from 
nostril, 12; tarsus, 18. : 
605. RHABDORNIS INORNATUS Grant. 
PLAIN CREEPER, 
Rhabdornis inornatus GRANT, Bull. Brit. Orn. Club (1896), 6, 18; Ibis 
(1897), 235, pl. 6, fig. 2; WHITEHEAD, Ibis (1899), 227. 
Rhabdornis inornata SHARPE, Hand-List (1903), 4, 356; McGrecor and 
WoRCESTER, Hand-List (1906), 95. 
Mindanao. (Clemens) ; Samar (Whitehead). 
“Adult male.—Easily distinguished from R. mystacalis and R. minor 
by having the bill altogether stouter and stronger, the top of the head 
and nape uniform dull grayish brown; mantle brown with whitish 
shafts only to the feathers; the lesser and median wing-coverts with 
well-marked white shaft-stripes ; chin, throat, and fore neck grayish white; 
the margins of the sides and flank-feathers narrower and browner. ‘Iris 
dark brown; bill and feet black.? (Whitehead.) Length, 157; culmen, 
19; wing, 81; tail, 51; tarsus, 20.” (Grant.) 
Female.—Similar to the male, but top of head browner. Wing, 89; 
tail, 57; exposed culmen, 16; tarsus, 20; middle toe with claw, 23. 
Family ZOSTEROPIDZ. 
Bill curved and pointed, very similar to the bill of Diceum, but with- 
out serrations in the cutting edges; nostril opening beneath an opercle 
or scale; rictal bristles inconspicuous; eye usually surrounded by a ring 
of short white feathers of a silky texture; wing with nine primaries; tail 
square, moderate in length and extending beyond the toes. 
Genera. 
a’, Upper parts nearly uniform olive-green or greenish yellow; length rarely more 
[LS SR tS 0 a9 eR ee ee enero ee emer Zosterops (p. 613) 
a. Upper parts uniform cinnamon-rufous; length more than 150 mm. 
Hypocryptadius (p. 621) 
Genus ZOSTEROPS Vigors and Horsfield, 1826. 
Culmen decidedly ridged ; eye, except in Z. goodfellowi, surrounded by 
a ring of white feathers; general color yellow and yellowish green, the 
abdomen in some species white, gray, or drab. 
