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The Sea Fisheries. j. t. jenkins, u.sc, Ph.D. Royal svo. 



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Contents.— Statistical Methods. The Collection of Statistics. Methods of 

 Fishing. The Trawling Grounds. Considération of Individual Fish. The Rise 

 of the Herring Fisheries. The Development of Steam Trawling. Législation 

 and the Sea Fisheries. The Inshore Fisheries. Public Fisheries for Shellfish. 

 The Education of Fisherman. Science and the Sea Fisheries. State Aid and 

 Fishery Research. Foreign and Colonial Fisheries and their Administration. 



The CuWeS ofLife» BelnganAccountofSpiral Formations 

 and their Application to Growth in Nature, to Science, and to Art. 

 Sir Théodore Andréa Cook, M. A., F.S.A. 415 Illustrations and 

 II Plates. Royal Svo. 470 + xxxii pages. 12s. 6d. net. 



Clouds» A Descriptive Illustrated Guidebook to the Observation 

 and Classification of Clouds. By George Aubourne Clarke, 

 F.R.P.S., F.R.Met.Soc. With a Préface by Sir Napier Shaw, 

 LL.D., Sc.D., F.R.S., Director of the Meteorological Office. Demy 

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The GyrOSCOpic CompaSS, ("The Engineer" Library.) 

 T. W. Chalmers, B.Sc, etc. Demy Svo. FuUy Illustrated. 

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Introduction. Gyroscopic Phenomena. Gyroscope and the Rotation of the 

 Earth. Damping Vibrations of the Gyro. Anschùtz, Sperry, and Brown 

 Compassés. Errors and Deflections and their Elimination. Centrifugal Forces 

 during Quadrantal Rolling. Descriptions of the Anschiitz, Sperry, and Brown 

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Front Newton to Einstein, Changing Conceptions of the 

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Einstein's contributions to our ideas of time and space and to our knowledge of 

 the universe in gênerai must rank among the greatest achievements of the 

 twentieth century. This little book gives a concise and lucid account of Einstein's 

 discoveries, but since thèse are so largely dépendent on the work of Newton and 

 his successors, the first two chapters are devoted to the latter. 



