il SCIENCE.—ADVERTISEMENTS. 
FOR THE SUMMER UOACATION 
“STRONG, ORIGINAL AND DELIGHTFUL. ..-IT IS A CHARMING STORY, AND THE LOVERS 
OF A GOOD NOVEL WILL MAKE A SERIOUS MISTAKE IF THEY DO NOT SPEND A PART 
OF THEIR SUMMER HOLIDAY IN READING RICHARD CARVEL.’’—Buffalo Commercial. 
RICHARD CARVEL by WINSTON CHURCHILL 
Illustrations by MALCOLM FRASER and CARLTON T. CHAPMAN 
Eleventh Edition. 70th Thousand. Published June 1st. Cloth. $1.50 
It is believed that no work in American fiction has achieved the same success in the same period of time 
“Tt is a daring thing that Winston Churchill has done in his novel ‘Richard Carvel,’ 
to tread the path made smooth by Thackeray, and, withal to do it so well that one 
is forced to admire the resemblance. This is the best written novel we have seen for 
a long time, and really deserves all the success it attains.’’—INDIANAPOLIS NEWS. 
A PERMANENT ADDITION TO THE BEST AMERICAN LITERATURE 
‘sA most readable and de=- 
lightful novel, equally pleasing 
in its matter as in its style,. .. 
a novel full of cleverness. . . to 
be welcomed as a notable addi- 
tion to American fictitious lit= 
erature.’’—The Saturday Evening 
Gazette, Boston. 
“RICHARD CARVEL—one of 
the most delightful and fascinating 
studies of manners and stories of 
adventure which have yet appeared 
in our literature.”’ 
HAMILTON W. MABIE 
in The Outlook. 
“This is emphatically a book 
that commands attention .. . 
The narrative is clean and vigor- 
ous... A spirited piece of writ- 
ing. It must be put among the 
best of recent American his- 
torical novels.’’—The Springfield 
Republican. 
FUST THE BOOK FOR SUMMER READING 
“RICHARD CARVEL is fresh and inspiriting, immensely attractive and thoroughly 
literary . 
books of the Summer ; 
. astrong, picturesque, distinct story . 
it will be one of the most read 
perhaps the leader of them all.’’—PORTLAND TRANSCRIPT. 
ANNOUNCEMENTS OF NEW SCIENTIFIC BOOKS 
A System of Medicine by Many Writers 
Edited by THOMAS CLIFFORD ALLBUTT 
Regius [prafenson of Physie in the University of Cambridge, Fellow of Gonville and Caius College, ete. 
Vol. VIII. Completing the Diseases of the Nervous System, etc., including Mental Diseases 
Cloth, 8vo. $5.00 net. Half Russia, $6.00 net. To Appear this Fall 
The British 
Medical Journal says : 
“A work which must rank as 
The New York 
Medical Journal says : 
“Tt is a carefully edited, well 
written, progressive, recent book, 
and most of its articles bear the 
stamp of authority. . . one of 
the best systems, if not the best, 
in the English language. 
one of the most important stand- 
ard books of medical reference 
in English, or indeed in any lan- 
guage, that has appeared for many 
+ years.’ 
“An elaborate ‘system’ which is destined to become a very important addi- 
tion to our literature.’’—The Journal of the American Medical Association. 
A Handbook of Optics 
For Students of Ophthalmology 
By WILLIAM N. SUTER, M.D. 
National University, W vashington, D.C. 
The Liquefaction of Gases 
Its Rise and Development 
By WILLET N. HARDIN, Ph.D., 
University of Pennsylvania. 
SEND FOR A FULL LIST OF THE FALL ANNOUNCEMENTS OF 
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