He ceased to shake so violently, and after a while he did not shake at all.

Then fever came.

Intolerable heat flowed through every vein, and his head was ready to burst.

After a while violent perspiration broke out all over him, and then he became unconscious.
Ned lay all night in the thicket, wrapped in the blankets, and breathing heavily.

Once or twice he half awoke, and remembered things dimly, but these periods were very brief and he sank back into stupor.