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the cell of the temple, such as may he seen in the por-tico of the theatre of Metellus, in that of Jupiter Stator,by Hermodus, and in the temple of Honour and Virtuewithout a posticum designed by Mutius, near the trophyof Marius. The pseudodipteros is constructed with eightcolumns in front and rear, and with fifteen on the sides,including those at the angles. The walls of the cell areopposite to the four middle columns of the front and ofthe rear. Hence from the walls to the front of the lowerpart of the columns, there will be an interval equal totwo intercolumniations and the thickness of a column allround. No example of such a temple is to be found inRome, but of this sort was the temple of Diana, in Mag-nesia, built by Hermogenes of Alabanda, and that ofApollo, by Menesthes. The dipteros is octastylos likethe former, and with a pronaos and posticum, but allround the cell are two ranks of columns. Such are theDoric temple of Quirinus, and the temple of Diana atEphesus, built by Ctesiphon. The htp^thros is deca-stylos, in the pronaos and posticum. In other respectsit is similar to the dipteros, except that in the inside ithas two stories of columns all round, at some distancefrom the walls, after the manner of the peristylia ofporticos. The middle of the interior part of the templeis open to the sky, and it is entered by two doors, one infront and the other in the rear. Of this sort there is noexample at Rome, there is, however, an octastyle specimenof it at Athens, the temple of Jupiter Olympius.