blocks, as hard as rock, and remarkable for their crystal transparency. Shandon took care to replenish his supply of water by shipping several tons of these every day.
The Doctor could never get accustomed to the optical illusions caused by refraction. For instance, an iceberg twelve miles off looked like a little white mass quite close; and his eye needed long training to enable him to judge objects correctly in a region where a phenomenon like this was of frequent occurrence.
At length, what with towing the brig along in fields, and driving back threatening blocks with long poles, the crew were completely worn out, and yet on Friday, the 27th of April, the Forward was still outside the Polar circle.
CHAPTER VIII
WHAT THE CREW THOUGHT ABOUT IT
By watching the chance, however, and taking advantage of every favorable lead, the Forward managed to gain a little ground, but instead of avoiding the enemy, it was evident that direct attack would soon be necessary, for ice-fields, many miles in extent, were approaching, and as these masses when in motion represent a pressure of more than ten millions of tons, great care was requisite to avoid nippings, that is, getting crushed in among them on both sides of the ship. The saws were ordered to be brought up and placed in readiness for immediate use.
It was hard work now for the crew, and some began to grumble loudly, though they did not refuse to obey, while others took things as they came with philosophic indifference.
"I couldn't tell for my life what brings it into my head just this moment," said Bolton, gayly, "but I can't help thinking of a jolly little grog-shop in Water Street, where a fellow can make himself very comfortable with a glass of gin and a bottle of porter. You can see it too, quite plain, can't you, Gripper?"
"Speak for yourself," said Gripper, in the surly tone he generally adopted. "I can see nothing of the sort."
"It's only a way of speaking, Gripper; of course I didn't suppose that those ice-cities which Mr. Clawbonny
