^^•~?5\®o^*^^^^*^*^°° °^ Nature. By C. Lloyd Morgan, LL D 



i^.K.b, Crown 8vo. Net, 5^1.25. '* 



Dr. Morgan seeks to prove that a belie? in purpose as the causal reality oT which 



nature is an expression is not inconsistent with a full and wholehearted «ccplanc« 



of the explanations of naturalism. -«.«.«;v»w»m.^ 



23.— Mosquito Life. The Habits and Life Cycles of the Known Mos- 



quitoesof the United States; Methodsfor their Control; and Keys for 

 Easy Identification of the Species in their Varicjus S- . An 



account based on the investigation of the late James Willi iprit-, 



Surgeon-General of Louisiana, and upon the original obst-rwiiirms 

 by the Writer. By Evelyn Groi-shi-ixk Mitchell, AM., M.S. 

 With 64 Illustrations. 8°. Net, $2.00. 



This volume has been designed to meet the demand of the con5tantlv inrrwwinfl 

 number of students for a work presenting in compact form th<- ■ " ' v. f«r 



made known by scientific investigation in regard to the diffcrc: m it 



now conceded, important and highly interesting subject. Wiw: kr*p 



within reasonable bounds, that it may be used for work in the field . lU.ra- 



tory, no portion of the work has been slighted, or fundamental information oroilled. 

 in the endeavor to carry this plan into efltect. 



24.— Thinking, Feeling, Doing. An Introduction to McnUil Sc-icncc 



By E. W. Scripture, Ph.D., J^LD., Assistant Neurologist Columbia 



University, formerly Director of the Psycholf)gical I^'i!>oralory at 



Yale University. 189 Illustrations. 2d Edition, Rcvi.stii and 



^Enlarged. 8°. Net, $1.75. 



"The chapters on Time and Action, Reaction Time. Thinking Time. Rhythmic 

 Action, and Power and Will are most interesting. This book should be carefully 

 read by every one who desires to be familiar with the advances made in the study of 

 the mind, which advances, in the last twenty-five years, have been quite as striking 

 and epoch-making as the strides made in the more material lines of knowledge." — 

 Jour. Amer. Med. Ass'n., Feb. 22, 1908. 



25. — The World's Gold. By L. de Launay, Professor at the ^cole 



Sup^rieure des Mines. Translated by Orlando Cyprian Williams. 



With an Introduction by Charles A. Conant, auth('r of "History of 



Modern Banks of Issue, " etc. 8°. Net, $1.75. 



M. de Launay is a professor of considerable repute not only in France, but among 

 scientists throughout the world. In this work he traces the various uses and phaaes 

 of gold; first its geology; secondly, its extraction; thirdly, its economic value. 



26. — The Interpretation of Radium. By Frederick Soddy, Lecturer 



in Physical Chemistry in the University of Glasgow. Third Edi- 

 tion, rewritten, with data brought down to 19 12. 8**. With 33 

 Diagrams and Illustrations. $2.00 net. 



As the application of the present-day interoretation of Radium (that it is an 

 element undergoing spontaneous disintegration) is not confined to the physicil 

 sciences, but has a wide and general bearing upon our whole outlook or- V ' !r. 



Soddy has presented the subject in non-technical language, so that the 1 < d 



are within reach of the lay reader. No effort has been spared to get • -ui of 



the matter and to secure accuracy, so that the book should prove scrvici other 



fields of science and investigation, as well as to the general public. 



27. — Criminal Man. According to the Classification of Cesai--'' ^ m- 

 BROSO. Briefly Summarized by his Daughter, Gina D 

 Ferrero. With 36 Illustrations and a Bibliography of Lombr^.-'^'s 

 Publications on the Subject. 8°. Net $2.00. 



Signora Guglielmo Ferrero's r6sum6 of her father's work on criminal anthropo. 



logy is specially dedicated to all those whose office it is to correct, reform, n -h 



the criminal, with a view to diminishing the injury caused tosot-i'-'^- ' v v-'-. a1 



acts; also to superintendents, teachers, and those engaged in ; -d 



children of vicious habits, as a guide in checking the dcvelopnu:.i ■ i t ^ .1 . -.d 



eliminating incorrigible subjects whose example is a source of corruption ■ s. 



28.— The Social Evil. With Special Reference to Conditions ! .: 



in the City of New York. A Report Prepared in i()o2 u- c 



Direction of the Committee of Fifteen. Sc-ccnd Edition.)^ I, 



with New Material Covering the Years 1902-1911. Ehtrd by 



Edwin R. A. Seligman, LL.D., McVickar Profis-or of Politicail 



Economy in Columbia University. 8vo. $1.75 mt. ^ _ 



A study that is far from being of merely local interest and application. The 



problem is considered in all its aspects and. for this purr>os<- ' ' .• 



to conditions prevailing in other communities and to the d ^0 



cities have made to regulate vice. 



