380 Chauvenet’s Spherical and Practical Astronomy. 
ast Survey. : . 
Chapter VIII, on Sumner’s Method of finding a ship’s posi- 
the work. Besides considering all the questions usually dis- 
cussed, our g3uth i : 
Occultation of Planets, in which the elliptical outline of the dise 
so complete has been produced on this topic; but our author’s 
iscussion is not only more complete than that of Mr. Wool- 
included under that name, @. e. solar and Junar eclipses, occulta- : 
tions of fixed stars and planets, and transit of the inferior 
planets over the sun’s disc; together with the best methods of 
applying the observations of these phenomena to the determ! 
tion of terrestial longitude, or of the solar parallax. — pice 
ead he Precession, Notation, Aberration, and an- 
Fixed Stars, it is sufficient to say, contains 
i 
