“But Melville Island and Port Felix are some degrees farther north latitude than Cape Bathurst, are they not?”
“Yes, madam, but in a certain sense we may say that their latitude proves nothing. A combination of different atmospheric conditions is requisite to produce intense cold. Local and other causes largely modify climate. If I remember rightly in 1845 … Sergeant Long, you were at Fort Reliance at that date?
“Yes, sir,” replied Long.
“Well, was it not in January of that year that the cold was so excessive?”
“Yes it was, I remember only too well that the thermometer marked 70° below zero.”
“What!” exclaimed Mrs. Barnett, “at Fort Reliance, on the Great Slave Lake?”
“Yes, madam,” replied the Lieutenant, “and that was at 65° north latitude only, which is the same parallel as that of Christiania and St. Petersburg.”
“Then we must be prepared for everything.”
“Yes, indeed, we must when we winter in Arctic countries.”
During the 29th and 30th November, the cold did not decrease, and it was necessary to keep up huge fires to prevent the freezing in all the corners of the house of the moisture in the atmosphere. Fortunately there was plenty of fuel, and it was not spared. A mean temperature of 52° Fahrenheit was maintained indoors in spite of the intensity of the cold without.
Thomas Black was so anxious to take stellar observations, now that the sky was so clear, that he braved the rigour of the outside temperature, hoping to be able to examine some of the magnificent constellations twinkling on the zenith. But he was compelled to desist—his instruments “burnt” his hands! “Burnt” is the only word to express the sensation produced by touching a metallic body subjected to the influence of intense cold. Exactly similar results are produced by the sudden introduction of heat into an animate body, and the sudden withdrawal of the same from it, as the astronomer found to his cost when he left the skin of his fingers on his instruments. He had to give up taking observations.
However, the heavens made him the best amends in their power by displaying the most beautiful and indescribable phenomena of a lunar halo and an Aurora Borealis.
The lunar halo was a white corona with a pale red edge encircling the moon. This luminous meteor was about forty-five degrees in diameter, and was the result of the diffraction of the lunar rays through the small prismatic ice crystals floating in the atmosphere. The queen of the night shone with renewed splendour and heightened beauty from the centre of the luminous ring, the colour and consistency of which resembled the milky transparent lunar rainbows which have been so often described by astronomers.
Fifteen hours later the heavens were lit up by a magnificent Aurora Borealis, the arch of which extended over more than a hundred geographical degrees. The vertex of this arch was situated in the magnetic meridian, and, as is often the case, the rays darted by the luminous meteor were of all the colours of the rainbow, red predominating. Here and there the stars seemed to be floating in blood. Glowing lines of throbbing colour spread from the dark segment on the horizon, some of them passing the zenith and quenching the light of the moon in their electric waves, which oscillated and trembled as if swept by a current of air.
No description could give an adequate idea of the glory which flushed the northern sky, converting it into a vast dome of fire, but after the magnificent spectacle had been enjoyed for about half an hour, it suddenly disappeared—not fading gradually away after concentration of its rays, or a diminution of its splendour, but dying abruptly, as if an invisible hand had cut off the supply of electricity which gave it life.
It was time it was over, for the sake of Thomas Black, for in another five minutes he would have been frozen where he stood!
XIX
A Neighbourly Visit
On the 2nd December; the intensity of the cold decreased. The phenomena of the lunar halo and Aurora Borealis were symptoms which a meteorologist would have been at no loss to interpret. They implied the existence of a certain quantity of watery vapour in the atmosphere, and the barometer fell slightly, whilst the thermometer rose to 15° above zero.
Although this temperature would have seemed very cold to the inhabitants of a temperate zone, it was easily endured by the colonists. The absence of wind made a great difference, and Hobson having noticed that the upper layers of snow were becoming softer, ordered his men to clear it away from the outer approaches of the enceinte. Mac-Nab and his subordinates set to work zealously, and completed their task in a few days. The traps were now uncovered and reset. A good many footprints showed that there were plenty of furred animals about the cape, and as they could not get any other food, it was probable that the bait in the snares would soon attract them. In accordance with the advice of Marbre the hunter, a reindeer trap was constructed in the Eskimo style. A trench was dug twelve feet deep, and of a uniform width of ten feet. A seesaw plank, which would rebound when lowered, was laid across it. A bait of herbs was placed at one end of the plank, and any animal venturing to take them, was inevitably flung to the bottom of the pit, and the plank immediately returning to its former position, would allow of the trapping of another animal in the same manner. Once in, there was no getting out. The only difficulty Marbre had to contend with in making his trap, was the extreme hardness of the ground to be dug out, but both he and the Lieutenant were not a little surprised at finding beneath some five feet of earth and sand a bed of snow, as hard as a rock, which appeared to be very thick.
After closely examining the geological
