478 Bulletin American Museum of Natural History [Vol. LIII 
“ Analoderma xquatoriale Sharpe. The African trogons differ from some of 
their American relatives in that they eat no fruit, but specialize in caterpillars and 
Orthoptera. Of 12 stomachs of this forest-dwelling species, 10 were noted as con- 
taining caterpillars; and Orthoptera were present in 7 cases, usually large, green, 
jumping forms, though it was rare to find more than one in a stomach. The only 
other things found were a single chrysalis and a helixarion with soft, flat shell. 
“ Buccanodon duchaillui (Cassin). Fruit is the principal nourishment of this 
barbet, and was contained in five stomachs, which otherwise showed only a single 
small snail. 
“Trachylemus purpuratus elgonensis (Sharpe). Of eleven stomachs, ten con- 
tained fruit. One bird had eaten nothing but two snails, and a second bird had a 
snail in the stomach, together with fruit. 
“Graucalus azureus (Cassin). The cuckoo-shrikes are famous caterpillar- 
eaters; and in 8 stomachs of this species we found caterpillars in 7 instances, noting 
them as hairy only once. Orthoptera were present in 3 cases, a chrysalis once, end a 
small snail (with hard shell) once. : 
“Orateropus tenebrosus Hartlaub. Although nearly exclusively insectivorous, 
this babbler was found to have eaten fruit once, in an examination of 6 stomachs; 
and one of the birds had also eaten a single small snail. 
“Turdinus rufipennis albipectus Reichenow. Being a ground bird of the heavy 
forest, the present species might be expected to pick up a minute snail now and then. 
But in 8 stomachs,which invariably contained insect-remains, we discovered only a 
single small snail. This does not reveal any pronounced taste for molluscan food. 
Geocichla princei batesi Sharpe. Again in a ground-loving bird of the forest, 
we found a single small snail in examining but two stomachs, the other food consisting 
of insects. | 
“ Neocossyphus rufus gabunensis Neumann. Another thrush of the forest under- 
growth was found once to have taken a tiny, hard-shelled snail. Only three stomachs 
were investigated, and they also contained insects in every case: ants, beetles, and 2 
caterpilla:s, as well as a small round millipede. 
‘ Aédonopsis collst (Alexander). This also is.a thrush, but of smaller size, living 
low down in the forest. Out of eight stomachs, seven contained remains of small 
insects and a millipede, while the eighth held some tiny snails, as well as pieces of 
another small millipede. 
“Taniarius luhdert (Reichenow). We found this bush-shrike most common in 
the densest scrub along the northern edge of the Congo forest. In every one of the 9 
stomachs opened, there were insects of some sort: beetles, caterpillars, and a leaf- 
hopper, as well as an isopod or ‘‘pillbug’’; and two of the shrikes had each eaten a 
single, small, hard-shelled snail. It is not their custom to swallow any grit. 
“Lamprocolius purpureiceps Verreaux. <A strictly fruit-eating starling, which 
keeps usually high in the forest trees. Eleven stomachs, without exception, disclosed 
fruit, and yet one of them held a single small snail, in addition. 
‘“Malimbus rubricollis centralis Reichenow. By no means all the weavers are 
granivorous, but the present species, besides being insectivorous, astonished me by 
seeking its food as it climbed, nuthatch-like, over the bark of the forest trees. Five 
stomachs all held the remains of insects, including small caterpillars, while one bird 
had also eaten a spider and two tiny snails. Another stomach had pieces of snail 
shell in it. 
