aon MURAL ARCHITECTURE 
foundation of Mycene to Perseus, whom some call 
the brother, and others the nephew, of Preetus, 
in which cases its origin may be referred to nearly 
the same date*. Now we have no ground what- 
ever for believing that the subterranean building, 
called by some the Treasury of Atreus, and by 
others the Z’omb of Agamemnon, was erected till 
the War of Troy, when that prince reigned over 
the city—an event which is generally placed about 
B. C.900.¢ Thus it would appear that the Trea- 
sury was not built till nearly five centuries after 
the foundation of the walls, and it may, therefore, 
be considered rather as Hellenic than as Cyclopian. 
The difference between the first and second 
styles is sufficiently marked by the one consisting 
of unhewn and amorphous masses ; and the other 
of hewn and well compacted polygons; and that 
both these are referable to an age anterior to that 
which produced the third or horizontal style, may 
I think, be proved by another train of reasoning. 
In connexion with the two former styles, we find 
many approaches to the form, but none to the 
principle, of the arch ;{ whereas a perfect and well 
* Colonel Leake says a generation later; ii. 355. 
{ Encycl. Britan. Articles, Homer and Troy. 
t See Drawing IV. 
Hughes’ Travels in Greece, i. 223. Note. 
