Astronomy. 163 
work is enriched with numerous le and maps of spectra, 
and much new matter is added in the notes. The manner in 
which this portion of the work is mane up gives it especial value, 
memoirs are inaccess ible. 
2. The Analyst: a Monthly Journal of Pure and pe: Math- 
ematics ; edited and published by J. E. Henpricks, A.M., Des 
Moines, "Towa.—T is is the first number of a journal “intended 
all questions of interest or importance in pur moet a lied mathe- 
matics, embracing ator lly, all new and interesting discoveries 
in theoretical and practical astronomy, mechar sagt ph phy, 
and engineering.” Each number is to "e ist of ss th 
sixteen pages, the price is two 8 ear, ng the 
ie; relation between mes mean and true anomal og Prof. 
Ficklin ; ete. journal covering this field is soma In this 
country, and we most heartily wish it the highest success. 
. dn investigation of the Orbit of Uranus, with general 
tables a. its she be on ; by Stuon NEwcoms, Prof, Mathematics, 
ULS. S) sonian Contributions. 4to, pp. 288,—The first 
latitude of a planet by direct investigation. This theory is then 
applied to the action of the three other large planets upon Uranus. 
n exhaustive discussion of all the good observations of the 
planet from 1690 0 nward, and extended tables of its motion com- 
tues the work. 
4 Astronomical Suggestions ; by H. M. Parkavurst.—(l.) By 
the method of ‘ ‘ extinguishing apertures,” accurac cy of Se ean 
star i . more easily seen in a black field than in one whi ch is illu. 
minated; and that, with an equal magnifying power goa iltamina 
tion will vary in proportion to the aperture. The erro 
ceed one magnitude. : 
(2.) A transit may be observed by the genes 8 when there is 
4 near approach but n no actual contact. This method will not be 
be applied to transits of menteg A or the moon. , Mer sg in the 
bly not near enough to 
see? 
5. A ghshrpaces Br ete hee the Observatory of Harvar d 
Coll ge.—We omitted to notice some weeks since the receipt of 
