426 Conjeftures on the Uje of 
hoftile garrifons, evidently invading 4nd in- 
vaded. Atprefent, all is folitarinefs and filence: 
Stat circum alta quies, curvoque innixus aratro 
Defertas foffas, et caftra minantia caftris 
Rufticus invertit, tacita formidine luftrans 
Horrorémque loci, et funeftos ftragibus agros, 
Addifon. Pax Gulielm; 
On the oppofite bank of the rivulet, lower 
than Castte How, appears to have been another 
Caftellum. At the entrance of the defile, from 
the fouth, a few flight traces of terraces are 
feen, and the remains of a fquare entrench- 
ment, with a fhallow ditch, are difcovered, 
adjoining, in the flat country. In temporary 
encampments, the Romans commonly ufed a 
ditch, from three, to five feet deep. Thefe filent 
monuments imprefs a connected ftory, on the 
mind of the Obferver, and perhaps afford fome 
materials, for recovering a loft Chapter in His- 
tory. Happily, the antiquarian vifion I am 
about to recite, obliges us to erafe nothing 
already recorded. 
It feems, from the imperfect account of 
Tacitus, that Agricola was the firft Roman 
Commander, who penetrated into that part of the 
country, in which thefe Antiquities are fituated. 
Cerealis had reduced the Brigantes of Yorkfhire, 
but the inhabitants of Chefhire, and Lancafhire 
were 
