393 



REPORT — 1873. 



Lunisolar Semidiurnal 



(8) X. 

 A — o'c6i cos S2(y—^(j+'lvr~- i])l 

 -i56°-46} 



ft. 



{(Evection) and (Variation)}. 

 (9) r. 

 h = o-i^6 cos {2(7— |<T— J-!r+»/)< 



(10) /,. 



h — O-oyo C0s|2(y — 2(T-|-j;)/ — 269°-99}. 



iy-^'j-W+>i)t 



Lunar Elliptic Diurnal 



(11) J. 



/i = o-o8ocos |(y-t-(r-ijr)/- i78°-58}. 



h' 



ft. 



0-15 

 •12 

 •09 

 ■c6 

 •04 

 •oa 

 •01 

 •00 

 •00 

 ■01 

 •oa 



•03 

 •06 

 •og 

 •II 



•»4 

 •18 

 •ai 

 •25 

 •a8 

 •31 



•33 

 •36 



•37 

 •39 

 •39 

 •39 



■32 



•38 

 •36 



•34 

 •31 

 •a8 



•25 

 •2 a 

 •18 



°J5 



(12) Q. 

 A = o-iiicos{(y — 3(T+TO-)<— 3o8°^23l 



(y — 3'T+xir)< h' 

 o ft. 



180 



(7— 3(T+tir)/ h' 

 ft. 



o 



20 

 40 



60 



So 



ICO 



120 

 140 

 160 



180 



o-i8 



■»s 



•II 

 •07 

 •04 

 •01 

 •00 



•CO 

 •02 



0'04 



200 

 220 

 240 

 260 



280 



300 



320 



340 



360 



©•04 



•08 



•II 



•'5 

 •18 



•21 

 •22 

 •22 

 •21 



o-i8 



