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We see where the Walls ran; of what stone they were built; the 

 size of the Gate-Castles and their shape. We know from other 

 Eoman Walls of the period, such as those of Pompeii, the size 

 of the battlements,* and a variety of other details in which such 

 analogy may be safely trusted. The appearance was this : — 



A splendid line of Oolite-stone wall, crowned with battle- 

 ments, and with a central gateway, projecting 54 feet from the 

 rest and rising above it. In front of this wall sloped an open 

 space, coming down to a broad moat, deep enough to float vessels 

 of 70 or 80 tons. This moat was crossed by a wooden bridge, 

 easily removable in case of attack. 



By the kindness of my friend John Kemp, of the School of 

 Art, I am able to place before the Cotteswold Club a sketch 

 illustrating this, and which may be relied on as faithfully 

 representing the Porta Proetoria of the city, as it would have 

 appeared to a visitor from the country of the Silures, come to 

 pay his respects to the authorities, or to see if one of the heads 

 above the gate belonged to a member of his own family. 



The north-west angle of Roman Gloucester stood about the 

 centre of the present cloisters ; and thence the wall ran straight 

 to the North Gate, opposite Aldate Street; that is, a little 

 above Hare Lane, which must have skirted the outside of the 

 ditch. From this point it went along the left side of Aldate 

 Street. Two years ago I saw a very fine piece of it breached to 

 make way for part of a warehouse. One of the stones removed 

 by the masons measured seven feet in the bed by about one foot 

 nine inches thick. Next to this, at the back of BiLiiiKGHAM's 

 paper-hanging warehouse, there is a part of the wall entire. 

 It is a very striking sight, — with its great hewn stones, some of 

 them three to four feet in length, black and furrowed with deep 

 grooves from the lapse of ages. 



I am informed by H. Y. J. Taylor that in sinking for the 



* The battlements at Pompeii are 2 J feet wide ; wHcli with the inter- 

 vening opening gives 5 feet. In the Eoman line of battle 5 feet was the 

 space allotted to each man to have free play for his weapons. This would 

 o-ive, for the Mile Castles on Hadrian's Wall, as well for the Gate Castles 

 at Gloucester, a frontage for 30 men to act, besides those working catapults. 



