He had suffered from it in India, and now it had attacked him again, in his weakened condition due to the hardships of the march.

Sometimes he was too hot and sometimes he lay awake shivering for hours.

Saying nothing to his companions, however, he patiently trudged on, though his head throbbed and he was conscious of a depressing weakness.
The ground grew softer as they proceeded.

The creek no longer kept within its banks, but spread in shallow pools; and the rotting trees were giving place to tall grass and reeds.

The valley had turned into very wet muskeg.