82 



SCIENCE. 



[Vol. XVI. No. 392 



Strom's useful sketch, and notably more cautious and judicious 

 than Binet and Fer6's somewhat one-sided exposition. The arrange- 

 ment of the work is a practical one, and its utility has been in- 

 creased by the changes incorporated in the second edition; the very 

 complete index, and notice of authors, being among them. 



The growth of interest in hypnotism characteristic of the last 

 few years is certainly remarkable. A great deal of it is due to a 

 general interest in strange mental states and appearances on the 

 borderland of the knowable. This interest, while a natural and 

 in some respects a useful one, is in danger of lapsing into an idle 

 curiosity, if not an uncritical credulity. Then there is an interest 

 in the practical side, — the hopes of aiding the arrest of disease, 

 and the furthering of mental and physical well-being; and there 

 is the much more limited psychological interest in the phenomena 

 for their value in contributing to an analysis of the elements and 

 modes of combination of mental and physiological processes. To 

 correctly guide public interest, avoiding a semi-morbid interest in 

 the unusual, — a link detached from the chain that connects it 

 with the normal, — directing attention to the essential meaning 

 of the phenomena, their relation to facts longer known and better 

 understood, and furthering a calm attitude of judicial poise when 

 confronted with apparent exceptions to all natural laws, — this is 

 a task as difficult as it is important, and must be the object of 

 «very book not appealing to a professional audience. It is as con- 

 tributing to such an end that the present volume is welcome. It 

 is not a perfect volume in this respect, but it is as good as, if not 

 better than, any we have. 



AMONG THE PUBLISHERS. 

 The "Catalogue of Minerals" just issued by Geo. L. English 

 & Co. (1513 Chestnut Streets, Philadelphia, and 739 Broadway, 

 New York,) is more than the ordinary price-list. Every one in- 

 terested in the subject should write for a copy, which is, in paper 

 covers, mailed free. The catalogue contains classified lists of all 

 mineral species described up to June 1, with their chemical com- 



position and crystalographic form. We do not recall having seen 

 so attractive and valuable a catalogue issued by any other dealers. 

 The purpose is, of covu-se, to furnish a price list of the firm's stock, 

 but so much more is added that the result is one for which Messrs. 

 Geo. L. English & Co. are to be commended. 



— Lord & Thomas of Chicago announce that they have in 

 preparation, and will issue during this month, their " Complete 

 Directory of the American Press." 



Messrs. Ginn & Co. announce to be published early in the 

 autumn "A Synopsis of English and American Literature," by 

 G. J. Smith, of the Washington, D. C, High School. This work 

 contains in small compass the most important facts connected 

 with English and American writers from the days of the Celtic 

 bards to the present time. The first part of the book is devoted 

 to English, the last part to American literature, each carefully 

 divided into periods, and logically outlined. Every period is 

 briefly described, and every writer of importance is mentioned, 

 with the titles and dates of publication of his principal writings, 

 the characteristics of the most celebrated authors and works being 

 set forth in apt quotations or in a few discriminating words. A 

 separate column on every page gives the leading events and per- 

 sonages of contemporary history in useful association with the 

 literature. The rank of authors, indicated throughout the work 

 by difference in type, is definitely set forth in a summary at the 

 end. A list of books suggested as desirable for a course of read- 

 ing is an additional feature of much value. 



— It is proposed to publish a memorial volume containing selec- 

 tions from the works of the late William Francis Allen, Professor 

 of History in the University of Wisconsin. Besides an introduc- 

 tory memoir and a complete bibliography of all his writings, in- 

 cluding review articles, it will contain papers representative of his 

 work in English social and economic history, mediseval history, 

 Roman history, Western history, United States history and poli- 

 tics, and the classics, as well as essays upon educational and 



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