At 6.45 p.m.the ship sustained heavy pressure in a dangerous position.

The attack of the ice is illustrated roughly in the appended diagram.

The shaded portions represent the pool, covered with new ice that afforded no support to the ship, and the arrows indicate the direction of the pressure exercised by the thick floes and pressure-ridges.

The onslaught was all but irresistible.

The 'Endurance' groaned and quivered as her starboard quarter was forced against the floe, twisting the sternpost and starting the heads and ends of planking.