294 Miscellaneous Bibliography. 
and 2" 155 each way in right ascension. _ area of 3°36 square de- 
grees embraces 1000 stars, or 298 to a square 
The different sections of the volume exhibit ix in detail the observations 
6 Orionis, a 
Struve’s, Sir J. Herschel’s, and Liapunoff’s, the notes of Pro 
companying the observations, his original ‘observations on the physical 
characteristics of the nebula, and a reprint, from the Proceedings of the 
American Academy, of his paper on its spirality, ee with two ap- 
pendices, one relating to the observations of the elder Bond, and the 
question is discussed to some extent i in the present vo oho 
Astronomers will await with interest the esate’ of f the observations 
on this and other nebule, which it is understood Prof. Safford is en 
in making with the great 18} inch refractor of ~ Dearborn Observatory 
at Chicago, of which institution he is the Directo 
His work of editing the volume before us was paula while he was 
acting director of the Cambridge Observatory, in the interval between 
the death of Prof. Bond and the accession of the present incumbent, 
Prof. Winlock. 
2. The Chemical News, and Journal of Physical Science. 
edition. New York, W. A. Townsend & Adams. July and August, co 106 
pets and 60.—The English edition of the Chemical News eat 
country 
the reprint, instead of appearing set is issued monthly, ha’ 
f the English weekly numbers in one. Moreover, instead of ging 
he numbers consecutively and separately, the articles from each 
, Nos. 391, 392, 393, 394, 395, issued May yale 
, 14, 21, 28 + oem a difference i in time oft two weropmer pe eon that 
parts issued are announced as Vol. I, Nos. 1 and 2, with no le. Ibis 
rae = @ portion of Volume XV, begin ning near its aaa 
te impossible to tell in which, of the weekly numbers, Ps 
eee: article was printed; and it is also impossible to find an article 
edition, hgh a ingle refe i 
in a letter to a 2 
will “doubtless be hereafter introduced, 9° 
Bog dae 0d paging t of science it may be at once done. ee 
