“Well,” replied Hamilton good-humouredly, “pray head the present expedition, and let us be gone.”

“Right!” ejaculated the accountant, rising. “I’ll just put my odds and ends out of the reach of the foxes, and then we shall be off.”

In a few minutes everything was placed in security, guns loaded, snow-shoes put on, and the winter camp deserted. At first the walking was fatiguing, and poor Hamilton more than once took a sudden and eccentric plunge; but after getting beyond the wooded country, they found the snow much more compact, and their march, therefore, much more agreeable. On coming to the place where it was probable that they might fall in with ptarmigan, Hamilton became rather excited, and apt to imagine that little lumps of snow which hung upon the bushes here and there were birds.

“There, now,” he cried, in an energetic and slightly positive tone, as another of these masses of snow suddenly met his eager eye—“that’s one, I’m quite sure.”

The accountant and Harry both stopped short on hearing this, and looked in the direction indicated.

“Fire away, then, Hammy,” said the former, endeavouring to suppress a smile.

“But do you think it really is one?” asked Hamilton anxiously.

“Well, I don’t see it exactly, but then, you know, I’m near-sighted.”

“Don’t give him a chance of escape,” cried Harry, seeing that his friend was undecided. “If you really do see a bird, you’d better shoot it, for they’ve got a strong propensity to take wing when disturbed.”

Thus admonished, Hamilton raised his gun and took aim. Suddenly he lowered his piece again, and looking round at Harry, said in a low whisper—