Astronomy. 248 
and included the places of 4484 stars. The tables in vol. vi—the 
third series—contain the places of 6100 stars between 0° 40’ and 
1° 0’ north declination. : 
Volume vii, comprises brief tables and numerous plates, illus- 
trating the positions and characters of solar spots, from the obser- 
vations of Prof. Wm. C. Bond during the years 1847-49. e 
plates number 112. Professor Winlock says, in his preface to the 
volume, that the drawings, here reproduced, “ furnish a more per- 
is observations.” The plates are engraved with great apparent 
2. Astronomical Engravings of Moon-Oraters, Sun-Spots, ete. ; 
by the Observatory of Harvard College. —The aerethieg” “ 
Coll 
ns 
“The Director of the Observatory of Harvard College purposes 
to publish a series of astronomical engravings, which shall repre- 
Observatory under his charge. ; : i 
The series will consist of at least thirty pictures, and will em- 
ences, nebulas, and spectra of variable stars. — ; 
© obtain some assistance toward defraying the expense 0 
Set. The pictures will be delivered from time to time as they are 
completed, and they will be followed by some pages of notes and 
explanations.” 
The few specimen plates sent us are excellent, and of great 
T: -% 
ation to the greatest extent. At 1.30 P.M. the maximum east 
declination occurred; it then gradually diminished, increasing 
a 
Position. The horizontal force was comparatively little ee 
the whole range of the disturbance amounting only to 070268 0: 
