122 M. W. C. HEPWORTH. 



The only reliable method of correctly logging a full powered 

 steamer, under ordinary circumstances, is by calculating the speed 

 by the revolutions made by the engines, making allowance at the 

 same time for slip, and the accuracy with which the distance run 

 may thus be estimated, when experience has taught what slip to 

 allow for the trim of the ship and the state of the sea, is most 

 satisfactory. 



On the run between Australasia and British Columbia the 

 Admiralty current chart compiled by Staff Captain F.J. Evans, r.n. 

 and Staff Commander T. A. Hull, r.n., under the superintendence 

 of Admiral G. H. Richards, c.b., f.r.s., will be found of great 

 assistance to the navigator, and its accuracy, considering how 

 little information regarding the meteorology of the Pacific was 

 available to its compilers, is astonishing. 



Formerly the steamers of the Canadian -Australian line made 

 the passage from Suva to Sydney direct, but since the month of 

 August of the present year they have been calling at Wellington, 

 New Zealand. Current observations between Sydney and Cook's 

 Straits, and between Cook's Straits and Suva are as yet few, and 

 do not call for any special remark. 



In Mr. Russell's first contribution to the Royal Society of New 

 South Wales on the subject of current papers, he shewed how 

 several bottles containing these papers, thrown overboard near 

 the coast of New Zealand, were picked up far to the northward, 

 having travelled apparently against the current known to set to 

 the southward along the east coast of Australia. Now the 

 Admiralty current chart shews us that the east coast current, 

 which is as a matter of fact the equatorial current diverted to the 

 southward on its impact with the east coast of Australia, is 

 deflected between the 31st and 35th parallel to the eastward, and 

 afterwards to the north-eastward by that current from the Indian 

 Ocean which has passed through Bass' Straits and round the south 

 coast of Tasmania. The current observations under discussion 

 to-night testify to the accuracy of the Admiralty chart, and shew 



