THE TIDES OF THE BAY OF FUNDY—MURPHY. 57 
wave, striking the shore at Cape Cod and Cape Sable, and mov- 
ing freely inward between these points imparts a whirling 
movement with a crowded rush around them like the whirl of 
water at the flood gate, or the piled up rotary ridge in the wake of 
the screw-propelling steamer. This circling current borne on- 
ward marks the advance of the flood tide. If we follow the 
movement of these accumulations from their sources we find 
them all converging during influx to the Bay. We quote the 
following from “Sailing Directions,” U. S. East Coast, 1882 
(page 4): 
~ “As a general rule, between Nantucket Shoals and Cape 
“Sable the ebb, or southerly stream, runs to the southward dur- 
“ing the first 4} hours, and the flood, or northerly stream, from 
“the 6th to the 11th hour following the moon’s superior and 
“inferior meridian passages. ‘The average velocity of each 
“stream is one knot per hour, being greater in the shallow and 
“less in the deep water. The times of turning of the flood or 
“northerly, and ebb streams, correspond with the times of high 
“and low water respectively at Boston and Portland. Westward 
“of George’s bank the stream runs half an hour later, and east- 
“ward of the same, halfan hour earlier. Between George’s bank 
“and Nantucket shoals the flood stream commences at 5h. 37m, 
“after the time of the moon’s meridian passage, running for the 
“first 14 hours in a N. 4 W. direction, with a velocity of one 
“knot per hour. For the next 3 hours the direction is N. by W., 
“at the rate of 1} knots, and during the last quarter N. by W. 1 
“knot.” 
In regard to the British, East Coast, North America, the 
Sailing Directions say—(p. 63.) 
“Take notice that the flood and ebb tides set fairly N. W. 
“and 8. E., so that in taking the Tusket Passages you will have 
“the flood in your favor; the ebb, the contrary. Observe also, 
“that in taking, as we have said the more prudent course to the 
“southward of Seal Island, and in setting course to the north- 
“westward, that, if on the ebb, the tide does not catch you on 
“the port bow, and cause you to bear up to clear the lurcher, 
“and perhaps compel you to take the Grand Passage between 
