304 
Ft. Id. 
Width of nave 78 0 
Thickness of walls (No. 2.) 12 0 
Three circles of 39? projection of tran- 
septs 117 0 
207 0 
Britton gives 206 feet ! f 
N.B. Tintern Abbey, Monmouthshire, also corresponds in 
principle : — 
Nave, 3 circles of half the width of 
the nave 117 Feet. 
Tower, 1 ditto ditto ditto 39 „ 
Choir, 2 ditto ditto ditto 78 „ 
234 „ 
The transepts project in each case one circle of 39 feet, 
from the inner face of the nave wall. 
I beg to draw your attention to the form of the " Vesica 
piscis,'* (plate 1, No. 15,) and the constant use made of it by 
the early Christians. The Greek word ip^Ou;, which signifies 
fish (Latin, piscis) includes the initial letters of words- 
denoting the exalted character of the Redeemer ; and from 
this circumstance the early Christians made use of the fish as 
a symbol; and Tertullian (De Bapt., cap. 1,) writing to his 
followers, calls them pisciculi," or little fishes. Among the 
several religious emblems which St. Clement, of Alexandria, 
(A.D. 194,) recommends to be engraved on the rings of the 
Christians of his time, is that of the fish, (Poedag., lib. 3, 
cap. 2.) Saint Optatus Milevitanus also (A.D. 370) refers 
to the word ix^v^, as containing the initials of words repre- 
senting the character of Christ. Jesus Christ the Son of 
God, the Saviour." (ina-ovq Xp^o? Yto? Sw7)5p.) On the cata- 
combs of Rome are found many representations of the fish* 
The Christians of the middle ages gave the name of piscina 
to the stoup containing the holy water. The cross, the Jish^ 
