THŪPARĀMĀ DĀGOBA, ANURADHAPURA (Third century B.C.)
Fig. 1; Ground plan, showing the original composition; a Stūpa with a round platform, the four main places of worship, and the four rows of pillars accompanying the pradakṣinā patha.
Fig. 2; Elevation, showing the modernized shape of the Stūpa or dagobā, as it is called in Ceylon (from dhātugarbha, i.e. relic chamber, originally designating only one part of the Stūpa, the receptacle in the harmikā, and later the whole building) with its tendency to subdivide or to multiply the original parts of the Stūpa.
Both plans are adopted (with slight simplifications) from James G. Smither “Architectural Remains, Anuradhapura”.
A1 = spire (htḯ) with seven strata (bhūmi)
A = stem or base of the spire
B = harmikā
C = bell-shaped dome (aṇḍa)
D1—D2 = rudiments of the three-fold base of the archaic Anuradhapura type
Do= actual base of the dagobā proper.
E = terrace of the socle
F = twofold socle
G = first (inner) row of pillars
H = main places of worship
I = second row of pillars
K = pradakṣinā patha
L = third row of pillars
M = fourth (outer) row of pillars, bordering the sacred place instead of the railing.
N = main entrance
O = staircase
THŪPĀRĀMA DĀGOBA, ANURADHAPURA. (Third Century B.C.), Figure on JISOA., Vol II/2 pp. 96