IN PHYSICAL ASTRONOMY. 
+ ^ e e, y sin (2 t — x — z — y) — e e, y sin (2 t — x — z + y) 
[169] [170] 
3 3 
+ — ee t y sin (2 f+ x + z — y) — — ee,ysin (2 t + x + z + y) 
[171] [172] 
+ e e t y sin (x — z — y) —e e t y sin (x — z + y) 
[173] [174] 
9 • 9 
— y ee,y sin (2 t — x + z — y) + — e e, y sin (2 t — x + z + y) 
[175] [176] 
2 j 21 
— -g-e^ysin (2 t + x — z — y)+ — ee ( y sin (2 1 + x — z + y ) 
[177] [178] 
~ -JVr sin (2 2 -y) + ~ e ( 9 y sin (2a + y) - e/y sin (2t-2z-y) 
[179] [180] [181] 
+ yV'ysi" ( 2t ~ 2z + y) 
[182] 
The inequality of latitude of which the argument is 2 t — y being far greater 
than the rest, § s = y ,s 147 sin (2 t — y) nearly. 
If e = -0548442 e t = -0167927 y =s -0900684 
See Mem. sur la Theorie de la Lune, p. 502. 
R - { _ 9-3947865 - 9-8697237 cos 2 t + 9-6933013 ecos a 
[0] [1] [2] 
+ 0-3494165 ecos (2 1 — x) — 9-8698883 ecos (2 1 + x) 
[3] [4] 
— 9-8718614 e t cos 2 — 9-4138294 e, cos (2 1 — z) 
[5] [6] 
-f 9-5685221 e, cos(2< + r) + 9-0917777 e-cos 2x 
[7] [8] 
- 0-2709438 e 9 cos (2< —2x) - 9 8697180 e°- cos (2 1 + 2x) 
[9] [10] 
+ 9-8697237 e e, cos (x + 2 ) + 0-8935219 e e, cos (2 1 — x — 2 ) 
[II] [12] 
