BABBAGE ON THE TEMPLE OF SERAPIS. 



187 



I shall now give a description of the Temple of Serapis from the 

 notes I made in 1828. 



Fig. 1, 



1. The external walls of the temple are lowest on the side nearest 

 the sea, where they are about 7 feet 6 inches high. They gradually 

 rise in height, until, at the extreme end of the cella, the portion which 

 remains measures 13 feet 4 inches above the pavement of the temple. 



2. The three columns X', X", X'", each about 41 feet high and 4 

 feet 1 1 inches in diameter at the base, are nearly similar, and are re- 

 presented in Plate L, X' being the left-hand column in the plate. 

 The pavement of that part of the temple marked I I, figure 1, is 

 about 5 inches lower than the rest of the internal area. 



The height of the top of the base of the shaft above the pavement 

 is 2 feet 4 inches, and the marble of which it is composed is unin- 

 jured. That part oi the shaft of the column immediately above it 

 presents nothing remarkable up to the height of 5 feet 8 inches. 



3. At this point commences a calcareous coating, which covers 



