60 EEVIEWS. 



immense mass of facts and phenomena, but is given a general 

 view of the scope and range of the science of geology, and is 

 better able afterwards to grasp the multitude of necessary detail. 



Text-Book of Descriptive Mineralogy. By Hilary Bauer- 

 man, F.G.S. Pp. vi. — 399. lyLondo7i : Longmans, Green, mid Co. 

 1884.) 



This is one of the well-known text-books of science, another 

 of the series being Systematic Mineralogy, by the same author. 

 The present work is illustrated by 237 well-executed engravings. 



Electricity and its Uses. By J. Munro. With numerous 

 illustrations; pp. xxii. — 180. {London: The Religious Tract 

 Society^ 



The recent advances made by electricity have excited much 

 public interest ; that these advances may be explained to the 

 reader is the object of the book before us. The work is illus- 

 trated with 83 engravings and i plate. 



Whirlwinds, Cyclones, and Tornadoes. By William 

 Morris Davis. Pp. 90. {Boston, U.S.A.: Lee and Shepard.) 



This is one of the Boston " Science " series. In it the author 

 gives us a clear and popular account of the various descriptions of 

 storms. 



Photography for Amateurs. By T. C. Hepworth. With 

 illustrations ; pp. 160. {London: Cassell and Co., Limited. 1884.) 



This little shiUing book is a non-technical manual for the use 

 of all interested in the art of photography ; the instructions given 

 are plain and simple. 



Report of the Commissioners of Agriculture for the year 

 1883. Pp. 496. {Washington, U.S.A.: Government Printing 

 Office. 1883.) 



In the department of agriculture many subjects are treated 

 having special interest for the microscopist and naturalist. Thus, 

 we find a paper on the diseases among sheep in Texas, with five 

 plates of the worm, Strongylus contortus ; one on Grasses, with 25 

 plates ; and another on Cabbage-Caterpillars and other destructive 

 insects, in which their life-history is worked out, and in many cases 

 their enemies are pointed out. This paper is illustrated with 13 

 plates, some of which are coloured. 



