708 REPORT OF THE HARVARD AFRICAN EXPEDITION 
intervals. At Bomboma, where a wild fig tree had fallen in an opening in the 
forest, we saw several of these shy birds come in to feed on the small fruits with 
which the tree was laden. 
Andropadus gracilis Cabanis. Gray-throated Bulbul 
Andropadus gracilis Cabanis, Orn. Centralbl., 1880, p. 174: Angola. 
Size of a sparrow; top of head dark brownish olive, back bright olive green, upper tail-coverts 
washed with rusty; tail brownish with rusty wash; throat gray, merging into the olive-green breast 
and flanks; center of belly tinged with bright yellow. Like A. virens but smaller, and belly yel- 
lower. Sierra Leone to Angola. 
We secured several specimens at Paiata and at Bakratown, at the latter 
place a female on September 30, that contained an egg nearly ready for extru- 
sion. Its stomach held fruit seeds. This species is not mentioned by Buttikofer 
who nevertheless may have confused it with A. virens or some other species. 
Andropadus curvirostris Cassin 
Andropadus curvirostris Cassin, Proc. Acad. Nat. Sci. Philadelphia, p. 46, 1859: River Camma, 
West Africa. 
Length 6.5 inches; bill narrower than distance from tip to nostril; above brownish olive green, 
head darker, tail redder; below pale olive green, breast and sides tinged with rusty, throat grayer, 
belly pale yellow. Liberia to Loango. 
This is recorded from Robertport, Jarjee, and Schieffelinsville by Biittikofer 
who at first confused it with A. virens but later distinguished it by its dark-green- 
ish or brownish-gray instead of ochraceous flesh-color feet. 
Andropadus virens Cassin. Olive-green Bulbul 
Andropadus virens Cassin, Proc. Acad. Nat. Sci. Philadelphia, 1857, p. 34: Cape Lopez and River 
Muni, West Africa. 
Size of a song sparrow; body above and below uniform olive green, the wings and tail brownish 
black with a faint rusty tinge; upper tail-coverts brownish; a yellowish wash over center of belly. 
Female slightly smaller. Gambia to Congo. 
This is a common and characteristic, if shy, thicket bird throughout the region. 
It frequents the densest tangles of thick, bushy growth, and thus is very difficult 
to see, and it was a long while before I succeeded in connecting it with its song 
so frequently heard. It usually keeps within six to ten feet of the ground, mov- 
ing in and out among the dense masses of twigs and leaves, and often though the 
bird is singing within a few feet I have been quite unable to see it even after pro- 
longed watching. Sometimes it may be seen unawares, sitting quietly on a low 
perch, or again, if one keeps perfectly quiet, it may be briefly glimpsed peering 
through the twigs. But usually it seems to be quite aware of one’s presence 
and eludes the most patient watching. In these thickets it is impossible to move 
without a noise so the difficulty is increased. As one walks along the forest trails 
it seems often as if the bird followed close at hand, keeping out of sight in the 
thick cover, but frequently uttering its characteristic song, which begins with 
a low explosive four-note chuckle, then a brief pause, followed by a short warble 
of clear notes sometimes ending with a whistle on an upward slide. We secured a 
