52 ASTRONOMY 



5214 Newcomb, S., and Ross, F. E. Inequalities in mo 

 of the moon produced by action of planets. 



Wash. 1907. 



5215 Gylden, J. A. H. Orbites absolues des huit planetes- 

 principales. Vol. l- Stockh.-> 



'51089 Maxwell, J. Clerk. On the stability of the motion of 

 Saturn's rings. Camb. 1859. 



Written while Maxwell was Professor of Natural Philosophy 

 in Marischal College. 



5215 Socolow, S. Correlations regulieres du systeme 



planetaire. Moscou 1898. 



5216 Andoyer, H. Theorie de la lune. [Paris] 1902. 



5218 Cruls, L. Eclipses du soleil. Rio de Janeiro 1894.. 



522 PRACTICAL ASTRONOMY. 



5221 OBSERVATIONS. 



5221 Stroobant, P. Les Observatoires astronomiques et les 

 astronomes. Brux. 1907. 



5221 Dunecht observatory. Publications. Vols. 1-3. 



(41) D. Dunecht 1876-85. 



5221 Edinburgh Royal observatory. Annals. Vol. l-> 



(41) E.A. Edin. 1902-^ 



5221 Observations. Vols. 1-15. Edin. 1838-86. 



(41) E.G. 



5221 Glasgow University observatory. Catalogues of 



(41) G. stars. l-> Glasg. 1883- 

 5221 Dublin University. Astronomical observations made 



(415) D.A. at Dunsink. Pt. 1-* Dubl. 1870-* 



5221 Cambridge observatory. Observations. Vols. 1-12. 



(42) c.o. Camb. 1829-41. 

 5221 Greenwich observatory. Astrographic catalogue. 



(42) G.A. Vol. l-> Lond. 1904-^ 



5221 Astronomical observations. 1750->. [Various 



(42) G.O. series.] Lond. 1774 



5221 Oxford University. Astrographic catalogue. Vol. 1 



(42) o.u. Edin. 1906-^ 



68 



