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Catalogue of 1,098 Standard Clock and Zodiacal Stars, prepared under 
the direction of Simon Newcomb, (Papers prepared for the use of 
the American Ephemeris, No. 4). 
Photometric Measurements of the Variable Stars ( Persei and D. M. 
81.°25. By Edward C. Pickering, Arthur Searle, and O. C. Wendell. 
(Proc. Amer, Acad., Vol. XVI.). 
I., 239. 
G. Schiaparelli: Osservazioni astronomiche e fisiche sull’ asse di rota- 
zione e sulla topografia del pianeta Marte (Atti della R. Acad. dei 
Lincei, Serie III.; Transunti, Vol. 5). 
Observations sur l’aspect physique de Jupiter pendant l’opposition de 
a Par L, Niesten (Annales astron. de Obs. R. de Bruxelles, 
> bLE). 
Astronomische Mittheilungen, von Dr. Rudolf Wolf, No. 53. 
Reports of American Observatories (1879). 
A Determination of the Solar Parallax from Observations of Mars made 
at the Island of Ascension in 1877. By David Gill, LL.D. (From 
the Mem. R. Astron. Soc., Vol. 46.) 
II., 20. 
On the Relative Accuracy of Different Methods of Determining the 
Solar Parallax. By Wm. Harkness (Amer. Jour., November, 1881). 
Observations of the Transit of Mercury, 1881, November 7, at Mount. 
Hamilton, Cal. (Communicated by the Lick trustees.) By Edw. 8. 
Holdenand 8S. W. Burnham (American Journal of Science, January, 
1882). 
Zur Theorie des Encke’schen Cometen. Von O. Backlund (Mém. de 
l'Acad. Imp. de St. Pétersbourg, 7me série, T. 28, No. 6). 
II., 44. 
Account of Observations of the Transit of Venus, 1874, December 8, 
made under the Authority of the British Government, and of the 
Reduction of the Observations. Edited by Sir George Biddell Airy, 
K.C.B. Printed for H. M. Stationery Office, 1881. 
II., 65. 
Conférence internationale du Passage de Vénus. Procésverbaux. 
Paris, 1881. 
Librorum in Bibliotheca Speculze Pulkovensis contentorum Catalogus 
systematicus. Pars Secunda ab E Lindemanno elaborata, Eden- 
dum curavit et prefatus est O. Struve. Petropoli, 1880. 
Sur l’enregistrement des battements de secondes d’une pendule du 
moyen du microphone, Par M. W. Meyer, astronome-adjoint a l’ob- 
servatoire de Genéve (Archives des Sci. Phys. et Natur., troisiéme 
période, T. VI.). 
Thirty-sixth Annual Report of the Director of Harvard College Obser- 
vatory. By E. C. Pickering. 
i ae 
Sur le compagnon de l’étoile v d’Androméde et sur un nouveau mode de 
réglage d’un équatorial (Compt. Rend., T. XCIV.). 
