“And forgive me!” Zu Pfeiffer shouted to Bakunjala. “I presume that you have been in Africa a long time,” he continued.

“Some ten years.”

“You do find the Wongolo country interesting?”

“Oh, yes.”

“You were there long?”

“No, I had been two years in the Congo and passed through on my way to Uganda to refit.”

“Ach. You permit me? You are mining?”

“No.” Birnier smiled thinly. “I have a professorial job in the American Museum of Natural History, Anthropological department.”

“Professor! Ach!” Zu Pfeiffer looked at him interestedly.

“Yes. That is why I was so absorbed in Les Ba-Rongas which I found here. You are interested in anthropology?”