Navigation and Seamanship. 



Jenkins, J. T. A Textbook of 

 Oceanography. Demv 8vo. Pp. 

 216. ]921. 'Constable. 15s. 



Maxwell , F . W . Book on Chartwork 

 and Plans. 1th edn. Demy 8vo. 

 Pp. 67. 1918. James Brown. 

 2s. Qd. 



Messum, S. Hydrographic Survey- 

 ing . For the use of Beginners and 

 Port and Harbour Masters. Cr. 

 8vo. Pp. 519. 1910. Griffin. 

 15s. 



Murray, Sir J. The Ocean. Fcap. 

 8vo. Pp. 256. 1919. Williams 

 and Norgate. 2s. 6d. 



and Hjort, J. The Depths 



of the Ocean. A General Account 

 of the Modern Science of Oceano- 

 graphy . Sup Roy . 8vo . Pp . 842 . 

 1912. Macmillan. 28s. 



Robinson , J . L . Elements of Marine 

 Surveying, with Numerous Exer- 

 cises . 3rd edn . Cr . 8vo . Pp . 274 . 

 1904. Macmillan. 7s. 6d. 



Struben, A. M. A. Tidal Power: 

 Tides and their Measurement ; the 

 Estimation of Potential Tidal 

 Power ; Comparisons between Sys- 

 tems of Development; the Finan- 

 cial aspect of the Problem, etc. 

 Fcap. 8vo. Pp. 127. 1921. Pit- 

 man. 2s. Gd. 



Whall, W. B. Handy Book of the 

 Tides. 10th edn/ Demy 4to. 

 Pp. 37. Geo. Philip. 5s. * 



Wbarton, Sir W. J. L. Hydro- 

 graphical Surveying. A descrip- 

 tion of the means and methods em- 

 ployed in constructing Marine 

 Charts . 3rd edn . revised and brought 

 up to date by Sir M. Field. Demy 

 8vo. Pp. 582. 1920. Murray. 

 30s. 



188 



