C^SARS CAMP. 5 



roiiucl towers, excepting the one in the south-west 

 corner, which was square and of larger dimensions. 

 The principal entrance-gate was in the middle of the 

 western face, therefore nearest to the old town of 

 Alexandria. The walls varied in thickness from twelve 

 to fifteen feet, and appear to have been about thirty 

 feet high. The old bits of masoniy had for a long time 

 resisted all attempts on the part of the natives to 

 break them up by ordinary appliances ; indeed, blasting 

 they soon found to be the only means of carrying out 

 their work of destruction for the purpose of utilizing 

 the material to build foundations in execution of the 

 Khedive's latest whim. There are indications that an 

 exit had also existed on the northern side, facing the 

 sea, jjrobably for the purpose of landing and embarking 

 troops. Within its walls the camp had been provided 

 with wells and baths, a large square cistern built of 

 tufa down to a depth of thirty-five feet, and a fine 

 mosaic, strange enough, still in existence, representing 

 Bacchus, with grapes in the centre, and surrounded by 

 arabesques of handsome designs. This marks the spot 

 of the prsetorium, or the imperial residence. The 

 material, of which walls and towers had been con- 

 structed, consisted of stones and pieces of marble of 

 no uniform size, set in cement of that pinkish colour 

 one notices in all Roman masonry, with double hori- 



