3 B 



1120 Calculation of Orbits. 



1130 Planets; Comets; Meteoric Streams. 



1160 Correction of Orbits; Application of Method of 



Least Squares. 

 1200 Orbital Movement of three or more Bodies; Centre 



of Gravity. 

 1250 General Perturbations ; Planetary Theory in General. 



12G0 Theory and Numerical Application (Tables) of 



Merciu"y. 

 1270 Theory and Numerical Application (Tables) of 



Venus. 

 1280 Theory and Numerical xVpplication (Tables) of 



Earth. 

 1290 Theory and Numerical Application (Tables) of 



Intra-Mercurial Planets. 

 1300 Theory and Numerical Application (Tables) of 



Mars. 

 1310 Theory and Numerical Application (Tables) of 



Minor Planets. 

 1320 Theory and Numerical Application (Tables) of 



Jupiter. 

 1330 Theory and Numerical Application (Tables) of 



Saturn. 

 1340 Theory and Numerical Application (Tables) of 



Uranus. 

 1350 Theory and Numerical Application (Tables) of 



Neptune. 

 1360 Theory and Numerical Application (Tables) of 



Extra-Neptunian Planets. 

 1400 Theory of the Moon. 



1450 Theory of Satellites (exc. Moon of Earth) in 



General. 

 1460 Theory of Satellites and the Ring System of 



Saturn. 

 1470 Theoiy of Satellites of Intra-Mercurial Planets. 



1480 Theory of Satellites of Mercury. 



1490 Theory of Satellites of Venus. 



1500 Theory of Satellites of Mars. 



1510 Theory of Satellites of Minor Planets. 



1520 Theory of Satellites of Jupiter. 



1530 Theory of Satellites of Uranus. 



1540 Theory of Satellites of Neptune. 



1550 Theory of Satellites of Extra-Neptunian Planets. 



1560 Correction of Elements. 



1570 Construction of Tables. 



1590 Special Perturbations ; Application of Method of 



Mechanical Qiuuiratures. 

 IGOO Figures of Equililirium of Kotatiiig- Masses of Fluid. 



{See also B 2470). 

 IGIO Figure of the Earth, its Oceans and Atmosphere. 



(e-9052) n :> 



