Smithsonian Report, 1909.—Baggallay. PLATE 3. 
Fic. 1.—ONE OF THE PIERS OF THE AQUEDUCT 
OF CLAUDIUS, SHOWING THE COURSES IN 
ROMAN CONCRETE. 
2OBFS.6 iS Mee 
“Tan 
oanere 
Fic. 2.—REMAINS OF THE LOWER ARCADE OF THE TABULARIUM, FACING THE ROMAN 
FORUM. 
