gun emplacements, interruption of communications, etc.

3. _Field spies_. Those who act as scouts in disguise to reconnoitre
positions and to report moves of the enemy in the field of war.
Amongst these are residential spies and officer agents.

All these duties are again subdivided among agents of every grade,
from ambassadors and their attachés downwards. Naval and military
officers are sent to carry out special investigations by all
countries, and paid detectives are stationed in likely centres to
gather information.

There are also traitor spies. For these I allow I have not a good
word. They are men who sell their countries' secrets for money.
Fortunately we are not much troubled with them in England; but we have
had a notorious example in South Africa.


STRATEGICAL AGENTS.

The war treason--that is, preliminary political and strategical
investigation--of the Germans in the present campaign has not
been such a success as might have been expected from a scheme so
wonderfully organised as it has been. With the vast sums spent upon
it, the German General Staff might reasonably have obtained men in a
higher position in life who could have gauged the political atmosphere
better than was done by their agents immediately before the present
crisis.

Their plans for starting strikes at a critical time met with no