In turn and in contrast, the bodies of many Arachnida, such as the spiders, have two tagmata, and so do the bodies of some crustaceans : in both groups the anterior tagma is called the cephalothorax ( meaning head plus chest ); it also may be called the prosoma ( meaning " fore-part of body " ).
32.
Its exact date of creation is contested among modern historians of the Byzantine army : Byzantinist John Haldon considers that the " Vigla " was established as a " tagma " by the Empress vexillationes palatinae " of the " Comites Arcadiaci ", the " Comites Honoriaci " and the " Equites Theodosiaci ".
33.
The descriptions of the armament of the " heavy-armed infantrymen " are equally terse . " The men of each arithmos or tagma, " the Strategikon tells us, " should have shields of the same color, Herulian swords, lances, helmets with small plumes and tassels on top and on the cheek plates-at least the first men in the file should have these-slings, and lead-pointed darts.
34.
The topics that this book discusses include : training and drilling of soldiers as individuals, the armament of the cavalryman and the basic equipment to be furnished, the various titles of the officers and soldiers, the organization of the army and the assignment of officers, how the tagmatic commanders should select their subordinate officers and combat leaders and organize the Tagma into squads, the regulations about military crimes to be given to the troops, the regulations about military crimes to be given to the tagmatic commanders, military punishments, and the orderly way of marching through our own country when there is no hostile activity.