"There are four Divisions, at present, in an Army Corps," replies
Cocon; "the number changes, sometimes it is three, sometimes five.
Just now, it's four. And each of our Divisions," continues the
mathematical one, whom our squad glories in owning, "includes three
R.I.--regiments of infantry; two B.C.P.--battalions of chasseurs
pied; one R.T.I.--regiment of territorial infantry--without counting
the special regiments, Artillery, Engineers, Transport, etc., and
not counting either Headquarters of the D.I. and the departments not
brigaded but attached directly to the D.I. A regiment of the line of
three battalions occupies four trains, one for H.Q., the machine-gun
company, and the C.H.R. (compagnie hors rang [note 2]), and one to
each battalion. All the troops won't entrain here. They'll entrain
in echelons along the line according to the position of the quarters
and the period of reliefs."

"I'm tired," says Tulacque. "We don't get enough solids to eat, mark
you. We stand up because it's the fashion, but we've no longer
either force or freshness."

"I've been getting information," Cocon goes on; "the troops--the
real troops--will only entrain as from midnight. They are still
mustered here and there in the villages ten kilometers round about.
All the departments of the Army Corps will first set off, and the
E.N.E.--elements non endivisionnes," Cocon
obligingly explains, "that is, attached directly to the A.C. Among
the E.N.E. you won't see the Balloon Department nor the
Squadron--they're too big goods, and they navigate on their own,
with their staff and officers and hospitals. The chasseurs regiment
is another of these E.N.E."