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Practical Methods in Microscopy. By Charles H. Clark, 

 A.M. Cr. 8vo, pp. xiv. — -219. (London: Isbister and Co.) Price 6/-. 



This is a very well arranged and useful book professedly for beginners, and 

 is designed to afford the means of acquiring the necessary training. The 

 methods described are thoroughly practical. There are many illustrations in 

 the text, besides several plates giving very distinct photographic reproductions 

 of 17 microscopic objects. In the appendix will be found a number of useful 

 formulae, staining fluids, mounting media, etc. 



Essentials of Vegetable Pharmacognosy. By Henry H. 

 Rusby, M.D., and Smith E. Jellifife, M.D. Royal 8vo, pp. 149. (New York: 

 U. O. Haynes and Co. 1S95.) 



A treatise on Structural Botany, designed especially for Pharmaceutical 

 and Medical Students, Pharmacists and Physicians ; it is divided into two 

 parts — the first by Dr. Rusby on the Gross Structure ; the second by Dr. 

 Jellifi'e on the Minute Structure of Plants. Both parts are well written, and 

 thoroughly illustrated, there being 560 illustrations in the book. 



A Text-Book of Dynamics. By William Briggs, M. A„ LL.B., 

 F.R.A.S., etc., and G. H. Bryan, M.A. Cr. 8vo, pp. 192— xiv. (London : 

 W. B. Clive.) Price 2/6. 



In this volume of the University Tutorial Series, the use of Mathematical 

 FormulcE has, as far as possible, been avoided in the solution of problems and 

 worked examples. Considerable attention has been paid by the authors to 

 " average velocity" and " relative velocity." Due prominence is also given 

 to the metric system of units, and care is taken in all examples to point out 

 what units are used at each stage of the process. Many worked-out examples 

 will be found throughout the book. 



Physical Laboratory Manual for Elementary Science 

 Classes. By H. N. Chute. Cr. 8vo, pp. xvii. — 218. (London : Isbister 

 and Co. 1896.) Price 2/6. 



In this work the instructions in the manipulation of apparatus are made 

 unusually full, at the same time pointing out the difficulties which are most 

 likely to arise. Special attention is given to the important subject of tabulating 

 and working out results, and deriving from them their proper conclusions. 

 There are a number of illustrations, and we feel sure the book will prove most 

 helpful to the student. 



A Laboratory Course of Experimental Physics, By W. 

 J. Loudon, B.A., and J. C. McLennan, B.A. Large 8vo, pp. viii. — 302. 

 (London: Macmillan and Co. 1895.) Price 8/6 net. 



This contains a series of elementary experiments specially adapted for 

 students who have had but little acquaintance with higher mathematical methods. 

 These are arranged, as far as possible, in order of difficulty. The experiments 

 in Acoustics are simple and of such a nature that most of them can be performed 

 by beginners in the study of Physics. Throughout the entire work simplifica- 

 tion of method has been the great aim of the authors. 



