44 



NOTES ON AN ABNORMAL WAVE OCCURRENCE 



observed from the shore, the sea, during a disturbance of 

 this kind withdraws from the land, and then returns with 

 great speed and height causing great destruction. 



In the opinion of the writer, the cause of the disturbance 

 in Northern Cape Breton was a slipping of the rock, either 

 solid or unconsolidated material, off the coast of Meat Cove. 

 The accompanying map shows the locality where the dis- 

 turbance was greatest, and the adjoining areas. 





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P^^. ' 



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It is seen that a short distance east of St. Paul's Island the 

 water deepens very rapidly. Here is the western margin 

 of the submerged channel of the old St. Lawrence river. 

 The 100-fathom line approaches to within about a mile of 

 the island. Here, where there is a declivity of steep grade, 

 a slipping or break in the bottom might be looked for. No 



