The Microscope. 63 



and director of the Dudley observatory, he is well known to science. 

 His earnest work as a pioneer in this field must give him a warm 

 place in the memories of his fellow-workers, and his well-told story 

 of it will be heartily welcomed. 



Physical Geography, Prepared on a new and original plan by various 

 authors. New York : D. Appleton & Company. 



The publishers of this excellent book have rightly decided that 

 the scope of physical geography is too great to be thoroughly 

 covered by one author, and have enlisted the services of a number of 

 men who have national and world-wide reputation in their special 

 departments. 



The section on the general structure and geological history of 

 the earth, has been prepared by Dr. John S. Newberry, Professor of 

 Geology and Palaeontology in Columbia College ; that devoted to 

 the geological history of the North American continent, by Prof. 

 Charles H. Hitchcock, of Dartmouth College ; the portion relating 

 to general physiography and the physical features of the United 

 States, by Mr. Henry Gannett, Chief Geographer of the United 

 States Geological Survey ; the pages explaining terrestrial magnet- 

 ism, with the chapters on volcanoes and earthquakes, coral islands, 

 the earth's waters, and meteorology, by Dr. W. Le Conte Sterens, 

 Professor of Physics in the Packe Collegiate Institute. Dr. N. L. 

 Britton, Lecturer in Botany, Columbia College, furnished the 

 chapter on plant-life ; Dr. C. Hart Merriam, the Ornithologist of the 

 Department of Agriculture, those relating to zoology and the animal 

 life of the United States ; Prof. AV^m. H. Dall, of the Smithsonian 

 Institution, that on ethnology, and Mr. George F. Kunz, gem expert 

 and mineralogist with Messrs. TifPany & Co., New York, that on 

 precioiis stones. 



The book is elegantly and profusely illustrated with cuts, charts 



and maps. As a text- book for students it is without a peer. 



Elementary Mickoscopical Manipulation. T. Charters White, F. R. 

 M. S. London : Ruper & Drowley, pp. 9-104. 1887. 



This little manual, by a well-known writer, is'designed for the 

 use of students beginning the study of microscopy. It contains in 

 a well-put form the manipulations so often described in other works, 

 and in addition much that is new, especially to readers on this side 

 of the Atlantic. In spite of the fact that elementary works of this 

 character have multiplied of late years, we feel that the writer has 

 been justified in adding another to the list. We can heartily 

 recommend it to beginners, even though they possess other manuals 

 on the subject. 



