SCIENCE.— AD YER TISEMENTS. 



Timely Books of General Interest 



The Philippine Islands and Their People 



A Record of Personal Observation and Experience, with a Short Summary of the More Important 

 Facts in the History of the Archipelago. By Dean C. Worcester, Assistant Professor of Zoology, 

 University of Michigan. Svo. Clotli Extra. Price, $4.0O. 



This is no mere record of an ordinary traveller. Professor Worcester twice visited the Philippines- 

 On his second trip he remained nearly three years in the islands, and a royal order from the Spanish Govern- 

 ment materially aided him in gathering information. Dr. Frank S. Bourns, now on the staff of the com- 

 mander-in-chief of our forces at Manila, was with the author on both of his visits, and has furnished a large 

 number of photographs from which the illustrations have been made. 



The Control of the Tropics 



By Benjamin KiDD, Author of "Social Evolution." 12nio. Clotli. Price, 75 cents. 



The appearance of Mr. Kidd's book is particularly timely, and as it deals especially with problems 

 which are now confronting us, its circulation has been very extended ; the first edition is about exhausted, 

 and a second is in active preparation. 



"Mr. Kidd's thinking is close and logical and his conclusions are well worthy of thoughtful consider- 

 ation." — The Tribune, Chicago. 



The Rise and Growth of American Politics 



A Sketch of Constitutional Development. By Henry Jones FoRD. 12mo. Cloth. $1.50. 



Mr. Ford has set himself a dilEcult task. From their inception he reviews our politics from the 

 standpoint of an outsider, as Mr. Bryce did in his "American Commonwealth.' Yet it is an explanation o! 

 causes rather than a narrative of events, aiming to give the reader an understanding of the actual system of 

 government under which we live. 



To the student, whether of constitutional history or of political parties, the book is not only readable, 

 but of great value. 



An Outline of Philosophy 



With Notes Historical and Critical. By John Watson, LL.D., Professor of Moral Philosophy in 

 Queen's University, Kingston, Canada ; Author of " Kant and his English Critics," etc. Snd Edition. 



I'liuo. Cloth. Price, $2.35 nef. 

 The first edition of this work was published under the title of " Comte, Mill, and Spencer : an Outline 



of Philosophy." The call for a second edition has been answered by the author with a completely revised 



and partially rewritten text. 



Guesses at the Riddle of Existence, 



And Other Essays on Kindred Subjects. New Edition, with Additions. By Goldwin Smith, 

 D C.L. 13mo. Cloth. Price, $1.35. 



The constant demand for this book has brought about a new edition, in which several additions have 

 been made to the text. 



" Incisive in thought, fearless and honest in spirit." — Chicago Tribune. 



The Gospel for an Age of Doubt 



By Henry Van Dyke, D.D. (Princeton, Harvard, Yale), LL.D. (Union), Pastor of the Brick Church 



in New York. Sixth Edition Revised, leilh a New Preface. 12iuo. Cloth. Price, $1.25. 



This, the sixth edition, contains an entirely new preface of considerable length. The book is now 

 issued in a cheaper form and will doubtless attract many new readers. 



" It is the best one of a very few books I should venture to put into the hands of a young man troubled 

 by doubts." — James O. Murray, D. D., Dtan of Princeton University. 



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