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NOTICE OF BOOK. 



Modern Microscopy : A Handbook for Beginners and Students. 

 By M. I. Cross and Martin J. Cole. Fifth edition, revised 

 and rearranged by Herbert F. Angus. Demy 8vo, pp. x + 

 315, 12 plates, 144: figures. London : Bailliere, Tindall & 

 Cox, 1922. 105. Qd. net. 



The authors stated in the preface to the first edition of Modern 

 Microscopy : " This handbook is not intended to be an exhaustive 

 treatise on the microscope — but to afford such information and 

 advice as will assist the novice in choosing his microscope and 

 accessories and direct him in his initial acquaintance with the 

 way to use it." That this intention has been fulfilled is indicated 

 by the appearance of a fifth edition. The authors have availed 

 themselves of this opportunity to revise and rearrange the text, 

 making several additions of importance. For this purpose they 

 have obtained the able assistance of Mr. H. F. Angus, who has 

 entirely rewritten the first part of the book in order to bring it 

 into line with present-day knowledge and methods. This part 

 has been somewhat curtailed as compared with former editions 

 in order to increase the space devoted to Parts II and III, but 

 as nothing essential for the beginner to know has been omitted 

 this proves a distinct advantage. As appendices to this part 

 we have a Glossary of Technical Terms, details of the Standard 

 Gauges E.M.S., and the specifications for three types of instrument 

 as suggested by the British Science Guild some few years since. 

 The papers of a technical character forming Parts II and III 

 have always been a distinctive feature in the later editions of this 

 book, and several very interesting additions have been made. 

 These papers deal either with the application of the microscope 

 to technological research or to the study of special groups of 

 animals and plants. In selecting one for special mention we 

 would draw attention to the particularly interesting account 

 by D. Ward Cutter of " The Microscope in Agriculture," dealing 

 with the micro-organisms of the soil and the results of experi- 



