FRENCH CAMEROONS 169 
problem. As the train made its way to the steamy heat of Duala 
I not only had to feed all my seed-eaters, insect-eaters, fruit-eaters, 
meat-eaters, and nectar-feeders, but now I was confronted with a 
lot of squabbling hornbills trying to hammer one another’s heads 
open with their enormous bills. I had put them temporarily in 
boxes in which others of their kind were caged singly, but this 
would not work, so I returned the newcomers to their baskets 
and quickly scrounged some boxes when I reached Duala, where 
I sat up half the night converting these into traveling crates. 
