164 Journal of the Asiatic Society of Bengal. [N.S., XV, 
culminating signs, and problems i in which the sun’s declination 
and terrestrial latitude were involved 
A 
Fig. 9. 
with CA and TA = YB is the siveding of YC in right as- 
cension, or the right co-ascendant; for the latitude ¢ the 
equivalent in oblique sbediicn (or oblique co-ascendant) is 
YA, and is the ascensional di 
In the panies TABC we hive TC = or 360° — A, CB 
= 6, ara angle AY C= », and the angle ACB = ¢; and conse- 
quent: 
