There is also a battalion of marines employed about the ports and in the arsenals.
These prisons received all sentenced to short terms of imprisonment, the long-term convicts going to the bagnes (the great convict prisons at the arsenals of Rochefort, Brest and Toulon), while in 1851 transportation to penal colonies was adopted.
The Conseil .suprieur devotes its attention to all questions touching the fighting efficiency of the fleet, naval bases and arsenals and- coast defence.
Each arrondissement is divided into sousarrondissements, having their centres in the great commercial ports, but this arrangement is purely for the embodiment of the men of the Inscription Maritime, and has nothing to do with the dockyards as naval arsenals.
In regard to the constitution and maintenance of the naval forces, the administration of the arsenals is divided into three principal departments, the first concerned with naval construction, the second with ordnance, including gun-mountings and small-arms, and the third with the so-called submarine defences, dealing with all torpedo materiel.