PETRIA´NA
PETRIA´NA a fortress in the N. of Britannia Romana, between the Wall and the river
Irthing, where the Ala Petriana was quartered. Camden (p. 1020) identifies it with
Old Penrith; but Horsley (
Brit. Romn. p. 107) and others fix it, with more probability, at
Cambeck Fort or
Castle-steeds. (
Not. Imp.) It is called Banna by the Geogr. Ray. (Horsley, p. 498.)
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T.H.D]