Second English Edition with Additions. With 291 Woodcuts and 14 Plates 
(5 coloured), including Angstrom’s and Cornu’s Maps. 8vo. price 31s. 6 d. 
SPECTRUM ANALYSIS 
In its application to Terrestrial Substances, and the Physical Constitution of 
the Heavenlv Bodies. Familiarly explained by the late 
Dr. Ii. SCHELLEN. 
Translated from the Third Enlarged and Revised German Edition by 
JANE and CAROLINE LASSELL. Edited, with Notes, by Captain W. 
de W. ABNEY, R.E., F.R.S. 
LONDON: LONGMANS, GREEN, AND CO. 
A High-Class Spiritualist Journal. 
LIGHT: 
A Weekly Journal devoted to the Highest 
Interests of humanity both here and hereafter. 
“ LIGHT ! MORE LIGHT ! "—Goethe. 
The Contents of the paper comprise : — (1). Original Articles on the Science 
and Philosophy of Spiritualism. (2). Records of Facts and Phenomena, both 
Physical and Mental. (3.) Miscellaneous Literature connected with the 
movement, including Poetry and Fiction. (4). Reviews of Books. (5). Resume 
of the Periodical Press, both Brit : sh and Foreign, devoted to Spiritualism and 
allied subjedts. (6). Questions and Answers. 
Price 2d., or 10s. 10 d. per annum, post free. 
London : E. W. ALLEN, 11, Ave Maria Lane, E.C. 
THE CHEMICAL NEWS 
Edited by WILLIAM CROOKES, F.R.S., &c. 
Published Weekly , price 4 d. Annual Subscription, £1, payable in advance. 
This Journal is devoted to Scientific and Applied Chemistry, and also embraces whatever 
^e/ids to elucidate new discoveries in Mineralogy, Metallurgy, Mining, Mechanics, Eledtricity, 
and the collateral branches of Physical Science. It also contains an encyclopedic list of 
chemical papers published abroad during the previous week, with abstracts of all susceptible 
of advantageous abridgment, thus making the two half-yearly volumes, with their copious 
indices, equivalent to an English edition of the “ Jahresberichte.” 
OFFICES— BOY COURT, LUDGATE HILL, LONDON, E.C. 
In Royal 8vo. cloth, price 3s .6d. (post free, 3s. iod.), 
MICROSCOPICAL MANIPULATION. 
By W. T. SUFFOLK, F.R.M.S. 
Illustrated with Forty-nine Engravings and Seven Lithographs. 
Chapter I. — Construction of Microscope. Chapter II. — Mechanical Processes. 
Chapter III. — Mounting Objedls Dry and in Balsam. Chapter IV. — Mounting 
Objects in Fluid. Chapter V. — Illuminating Apparatus. Chapter VI. — 
Polarised Light. Chapter VII.— Drawing and Micrometry. Appendix. 
London : E. J. DAVEY, Boy Court, Ludgate Hill, E.C. 
