She headed for the door in the wall that led from the gardens to the exterior of the compound.
Certain cells of the exterior are set apart for absorption of water from the soil, this being the source from which supplies are derived.
Nazario e Celso), a small structure in the form of a Latin cross with a dome (in which, as in the baptistery of Neon, the old cathedral, &c., the constructional use of amphorae is noteworthy), with a plain brick exterior, and rich mosaics on a dark blue ground within.
There is less stone carving on the exterior walls, door jambs and pillars of the buildings than on those of the Yucatan Peninsula; this is due to the harder and more uneven character of the limestone.
A complex network, however, does occur in Lybiodrilus and certain other Eudrilidae, where the paired nephridia possess ducts leading to the exterior which ramify and anastomose on the thickness of the body wall.