E. RAY LANKESTER’S EXTINCT ANIMALS 
By Prof. E. Ray Lankester, F.R.S., Keeper of the Natural 
History Department of the British Museum, Author of ‘‘ The 
Advancement of Science” and ‘‘A Treatise of Zodlogy.” 
With numerous illustrations. $1.75 net; by mail, $1.93. 
An interesting book by a high authority, based on a course 
of his successful, popular lectures. His narrative is well 
unified and developed, and his style so simple that children 
as well as older folk may enjoy the work. The illustrations 
are unusually effective. 
N.Y. Sun-~A charming book . . . showing that the greatest learning 
can be combined with the utmost simplicity of expression ...a book 
of intense interest ... the pictures are skilfully arranged to elucidate 
the text. 
N.Y. Globe:~A great deal more lively than it sounds... . Huxley 
himself could not have talked more instructively in such simpl¢ 
language. 
N.Y. Tribune -~Opens up a world of new interest, popular rathe 
than technical. 
E. RAY LANKESTER’S THE KINGDOM OF MAN 
« Nature’s Insurgent Son”; ‘‘“The Advance of Science— 
y881-1906 ”; ‘‘ Nature’s Revenges—The Sleeping Sickness.” 
$1.40 net; by mail, $x 52. 
A readable and pictorial survey, brief but nevertheless 
accurate, of the recent progress in the many branches of 
science—all leading towards the realization of man’s king 
dom—the conquest and control of nature. 
H. JI. Brock in a three-column notice in the New York Times Saturday 
Review.—An impressive statement of human progress in knowledge 
and power bya conservative scientist who believes man soon able to 
eliminate disease... exceedingly interesting. ..it gathers into a 
very small compass and presents sharply to the layman an immensely 
impressive set of facts and ideas. 
«*, If the reader will send his name and address the publishers will 
send, from time to time, information regarding their new books. 
HENRY HOLT AND COMPANY 
34 WEST 33d STREET NEW YORK 
