592 
AECHDEACON PEATT ON THE INDIAN AEG OF MEEIDIAN, 
By th ese quantities will the latitudes of the three places, as determined by observations 
of the heavenly bodies, be wrong. The existence of such large discrepancies would not 
Kaliaua, Kaliaiipxir, Damargida, and Pimnoe ; al, IcKRQa'V, I'c' is the ellipse I drawn through A, B, C, and 
having its semi-axes pai'allel to the semi-ixxean-axes, and 56639 and 19611 feet respectively longer than 
those semi-axes. In the same way ellipses II. and III., as determined above, are drawn. (The pails of these 
three ellipses between A and D are not drawn in the diagram. The diflerences in the lengths of the semi- 
axes are made about eighty times out of proportion, that the differences between the eUipses may be 
visible.) The dotted ellipse about the centre O is an ellipse equal to the mean eUlpse, and so drawn as to 
