REVIEWS. 107 



A Text-Book of Elementary Biology. By H. J. Campbell, 



M.D. Lond. Crown 8vo, pp. iii. — 284. (London : Swan Sonnenschein and 

 Co. 1893.) Price 7s. 6d. 



This volume gives a concise account of some of the more important facts 

 of Biology. It treats at some length the subjects of Protoplasm, Cells, Cell- 

 Division, Reproduction, and the Early Stages of Development. This book, 

 which will prove of great assistance to the student, contains 136 very excellent 

 illustrations. 



Light : A Course of Experimental Optics, chiefly with the 

 Lantern. By Lewis Wright. Crown 8vo, pp. xvi. — 391. (London : Mac- 

 millan and Co. 1892.) Price 7s. 6d. 



This is a second edition of this valuable work. The author treats his sub- 

 ject in a thoroughly masterly manner, and places before the mind of his 

 readers, through a course of experiments, the physical 7'ealities which underlie 

 the phenomena of Light and Colour. 



There are 10 full-page plates, several of them beautifully printed in colours, 

 and upwards of 200 wood engravings. 



Text-Book of Petrology. By Frederick H. Hatch, Ph.D., 

 F.G. S., etc. Crown 8vo, pp. viii. — 222. (London : Swan Sonnenschein and 

 Co. 1892.) Price 7s. 6d. 



In this work we have briefly described the mineral constituents and internal 

 structures of the Igneous Rocks — their mode of occurrence at the surface, and 

 their origin beneath the crust of the earth. The various chapters treat of — 

 Mode of Occurrence, Structure, Ci mposition, The Constituent Minerals of the 

 Igneous Rocks, and their Classification and Description. There are 86 capital 

 engravings, mostly illustrating the microscopic appearance of Rock Sections. 



Time and Tide : A Romance of the Moon. By Sir Robert 

 S. Ball, LL.D., F.R.S., etc. Fscap. 8vo, pp. 192. (London: Society for 

 Promoting Christian Knowledge. 1892.) Price 2s. 6d. 



This very interesting little book, now in its second edition, contains two 

 lectures delivered in the theatre of the London Institution in Nov., 1888. The 

 theory of the tides is explained in a practical and understandable manner, and 

 the illustrations are good. 



The Grammar of Wood-Work. By Walter E. Degerdon. 

 (London : Macmillan and Co. 1892.) 



This most useful work consists of a graduated system of manual training 

 for Elementary, Secondary, and Technical Schools, designed for the pupils of 

 the Whitechapel Craft School. It is divided into 21 lessons. The working 

 drawings are admirable, showing the finished work from all its aspects. The 

 instructions are short, but very concise and to the purpose. Size of page, 

 II2 in. square. 



How TO Make Common Things. By John A. Bower. Crown 

 8vo, pp. 240. (London: Society for Promoting Christian Knowledge. 1892.) 

 Price 3s. 6d. 



This is just the very book for boys. It tells how to make a Hat- Rail, a 

 Set of Bookshelves, or a Picture-Frame, How to Bind Books, How to Make 

 some Useful Electrical Appliances ;■ — in fact, how to do nearly everything that 

 a handy boy wants to know. There are 150 illustrations. 



Woodwork, Carpentry, and Joinery. By Thos. C. Simmonds. 

 Crown 8vo. (London : Bemrose and Sons.) Price is. 



This little book briefly describes the methods of using the various tools 

 and of making joints, etc. 



