194 



SCIENCE. 



[Vol. XXI. No. 531 



the auspices and guarantee of the University of Chicasjo, and will 

 be free from the usual embarrassments attending the publication 

 of a scientific magazine." In other words, it will not be depen- 

 pent upon a large list of subscribers for support. It is significant 

 that the list of editors is largely made up of former members of 

 the U. S. Geological Surv.ey, but lb is to be sincerely hoped that 

 this will not prevent a free discussion in its pages of subjects 

 upon which those outside of the Geological Survey happen to hold 

 opinions opposed to those of the editorial staff. The editor-in- 

 chief says: "It is our desire to open the pages of the Journal as 

 broadly as a <lue regard for merit will permit, and to free it as 

 much as possible from local and institutional aspects." He like- 

 wise states what may be assumed to be the field aspired to be 

 occupied by the new Journal, when he says that '' there seems to 

 be an open field for a periodical which specially invites the dis- 

 cussion of systematic and fundamental themes, and of inter- 

 national aad intercontinental relations, and which in particular 

 seeks to promote the study of geographic and continental evolu- 

 tion, orographic movements, "volcanic co ordinations, and con- 

 sanguinities, biological developments and migrations, climatic 

 changes, and similar questions of wide and fundamental inter- 

 est." This is assuredly a high and broad field, and to successfully 

 cultivate it will require an equally broad and cosmopolitan man- 

 agement. 



All the leading articles in the present number are by members 

 of the editorial staff. The table of contents includes the follow- 

 ing papers: " On the Pre Cambrian Rocks of the British Isles," 

 by Sir Archibald Geikie ; "Are There Traces of Glacial Man in 

 the Trenton Gravels?" by W. H. Holmes ; " Geology as a Part of 

 a College Curriculum," by H. S. Williams; " The Nature of the 

 Englacial Drift of the Mississippi Basin," by T. C. Cbamberlin; 

 " Distinct Glacial Epochs and the Criteria for their Recognition," 

 by R. D Salisbury. There are also editorials, ai-eview of a paper 

 by Jamee Geikie, analytical abstracts of current literature, and 

 acknowledgments of articles donated to the Geological Depart- 



ments of the University. The Journal will be issued semi-quar- 

 terly at the price of $3 per annum. 



Proceedings of the Ninth Annual Convention of the Association 

 of Official Agricultural Chemists Bulletin No. 85, U. S. 

 Department of Agriculture. Division of Chemistry. 343 p. 8". 

 The report of the Proceedings of the Association of Ofiftcial 

 Agricultural Chemists is looked forward to with expectation by 

 every analyst. The carefully recorded laboratory experience with 

 the " old " methods and the suggestion and regulation of the new, 

 form together a valuable annual hardly to be dispensed with by 

 any engaged in practical analytical work. The report of the 

 meeting held in Washington Aug. 25, 36, and 37, 1893, being the 

 ninth of the series, is fully as interesting as those of previous 

 years, and, moreover, there is a very apparent improvement in 

 the nature and method of discussion. The contents are familiar 

 to all, being in brief as follows: Address of the President, Mr. N. 

 T. Lupton, report on dairy products, on phosphoric acid, potash, 

 nitrogen, soils, ash, cattle foods, sugar, fermented liquors, etc.. 

 with papers on the particular determinations, and, in conclusion, 

 the official methods adopted in each case for the coming year. 



C. P. 



Matter, Ether, and Motion. By A. E. Dolbear, Ph.D., Profesi- 

 sor of Physics. Tuffs College. Boston, Lee & Shepard. 

 This book is written apparently for those who, having never 

 made such a study of scientific work as would enable them to 

 read scientific treatises, are disirous of getting a clear idea of 

 the chief results of scientific investigation. For such this book 

 will have a considerable value; which, however, would have 

 been greater if the author had refrained from including a good 

 many of his own theories. For instance, it is not good that the 

 reader should be told, cocksuredly and in italics (pages 335-7), 

 that "electricity is a phenomenon of rotating molecules." If 

 the author had merely stated it as his own theory, the reader 



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