ines of Toxicology._

Prof. KUNDT (University of Strasburg), _On Sound._

Prof. REES (University of Erlangen), _On Parasitic Plants._

Prof. STEINTHAL (University of Berlin), _Outlines of the Science of
Language._

E. ALGLAVE (Professor of Constitutional and Administrative Law at
Douai, and of Political Economy at Lille), _The Primitive Elements
of Political Constitutions._

P. LORAIN (Professor of Medicine, Paris), _Modern Epidemics._

Prof. SCHUeTZENBERGER (Director of the Chemical Laboratory at the
Sorbonne), _On Fermentations._

Mons. DEBRAY, _Precious Metals._

_Opinions of the Press on the "International Scientific Series."_

I.

Tyndall's Forms of Water.

1 vol., 12mo. Cloth. Illustrated Price, $1.50.

"In the volume now published, Professor Tyndall has presented a noble
illustration of the acuteness and subtlety of his intellectual powers,
the scope and insight of his scientific vision, his singular command
of the appropriate language of exposition, and the peculiar vivacity
and grace with which he unfolds the results of intricate scientific
research."--_N. Y. Tribune_.

"The 'Forms of Water,' by Professor Tyndall, is an interesting and
instructive little volume, admirably printed and illustrated. Prepared
expressly for this series, it is in some measure a guarantee of the
excellence of the volumes that will follow, and an indication that the
publishers will spare no pains to include in the series the freshest
investigations of the best scientific minds."--_Boston Journal_.

"This series is admirably commenced by this little volume from the pen
of Prof. Tyndall. A perfect master of his subject, he presents in a
style easy and attractive his methods of investigation, and the
results obtained, and gives to the reader a clear conception of all the
wondrous transformations to which water is subjected."--_Churchman_.

II.

Bagehot's Physics and Politics.

1 vol., 12mo. Price, $1.50.

"If the 'International Scientific Series' proceeds as it has begun, it
will more than fulfil the promise given to the reading public in its
prospectus. The first volume, by Professor Tyndall, was a model of
lucid and attractive scientific exposition; and now we have a second,
by Mr. Walter Bagehot, which is not only very lucid and charming, but
also original and suggestive in the highest degree. Nowhere since th