250 



MEMOIRS NATIONAL ACADEMY OF SCIENCES, VOL. X, NO. 7. 



PERIODIC TERMS. 



Tables of (115) Thyra — Continued. 



TABLE III.— S log r. 



Unit of a and 6=0.00001. 



[nSz, d log t, and u,cos i are to be computed in the form J» n, sin ig + Sibicos ig+cT.] 



