Sulis to various Indo-European words for "sun" (cf. Homeric Greek ηέλιος, Sanskrit "sūryah" "sun", from Proto-Indo-European "*suhlio-"). Sulis was the local goddess of the thermal springs that still feed the spa baths at Bath, which the Romans called "Aquae Sulis" ("the waters of Sulis"). Her name primarily appears on inscriptions discovered at Bath, with only a single instance outside of Britain at Alzey, Germany. This is not surprising, as Celtic deities often preserved their archaic localisation. They remained to the end associated with a specific place, often a cleft in the earth, a spring, pool or well. The Greeks referred to
Escadrille SPA.31 use of a Roman archer as the "escadrille" insignia. In October, "Escadrille N 31" shifted to support "II Armee". The following month, the unit was incorporated into "Groupe de Combat II". "Escadrille 31" began receiving SPADs on 7 January 1917. However, it would not totally rearm with SPADs until 17 September, when it was renamed "Escadrille SPA 31". The "escadrille" would serve as part of "GC II" through the remainder of the war. When the armistice came, it had been credited with 42 aircraft and four observation balloons destroyed, and have earned two citations from Army Corps. Escadrille SPA.31 Escadrille