On the other hand, I thought of Mr.
Roosevelt, who had recently been reducing the supply.

I also remembered how many hunters had spent years in Africa without ever seeing a lion, and how Doctor Rainsford had made two different hunting trips to Africa, always looking for lions, but without success.
During our first three days of marching, we looked industriously for lions.

On broad, grassy plain, in low scrub, on the slopes of low hills--everywhere we looked for them.

If a flock of vultures circled above a distant spot we went over at once in the hope of surprising a lion at his kill.

Every reed bed was promptly investigated, every dry nullah was explored.