1 DAWSON] REVIEW OF TECHNICAL WORK 47 



total 32,000 copies; these being much appreciated by pilots, local 

 vessels, and fishermen. "Tide Tables for Hudson Bay," with tidal 

 data for Hudson strait and James bay. 



Papers contributed to Societies, on tidal subjects: — "Tide gauges 

 in northern climates and isolated situations:" Institution of Civil 

 Engineers, London. "Tide levels in Eastern Canada," and "Tide 

 levels on the Pacific coast:" Canadian Society of Civil Engineers. 

 "Variation in the leading features of the tide in difi'erent regions," 

 and "The tides of Hudson bay:" Royal Astronomical Society of 

 Canada. 



Papers contributed to the Royal Society of Canada: — "Char- 

 acter and progress of the tides in the Gulf and River St. Lawrence"; 

 "Note on secondary undulations," with plate; "Illustrations of 

 secondary tidal undulations"; "Effect of the wind on currents and 

 tidal streams"; "Methods of investigation of tides and currents"; 

 "Progress of the tide in deep inlets and ordinary estuaries"; "The 

 turn of tidal streams in relation to the time of the tide.". 



