Smith, of the British Museum, to whom I am much indebted for information on this and other subjects.

Although fully trusting to the statements of Huber and Mr.

Smith, I tried to approach the subject in a sceptical frame of mind, as any one may well be excused for doubting the existence of so extraordinary an instinct as that of making slaves.

Hence, I will give the observations which I made in some little detail.

I opened fourteen nests of F.