ON A NEW CURRENT-METER. 181 



to E.), I therefore again went out to St. V to see whether the 

 currents were essentially changed. A glance at PI. XX, figs. 

 28 to 31 will show that this was the case. These diagrams 

 scarcely require any commentary. Only two or three things 

 must be remarked. Duplicate observations were made at first 

 at every depth, down to 10 m. (11"36 a.m. to 12"28 p.m.), 

 and then a rapid repetition was made of the same series (1237 

 — I'O p. m.) before the measurements were continued in greater 

 depths. The velocities obtained by this repetition are indicated 

 on the diagram by a cross (x) instead of small circles. The 

 regularity of the currents becomes hereby more conspicuous, and 

 it further appears that the velocities generally increase. In fig. 32 

 the means of the observations at each depth are shown. The 

 even transition from the current at 1*4 to that at 5 metres is 

 here clearly seen. At greater depths also (10 to 16 metres) a 

 distinctly eastward current is now found, although rather variable. 

 Immediately after the conclusion of the work at St. V, some 

 observations were taken at about 100 m, from the margin of the 

 ice, at St. VI (2-0— 2-27 p. m.). The wind was then easterly. 

 In the afternoon (4"32 — 5"10), a series was taken at St. IV farther 

 from the edge of the ice. The wind was somewhat less, and veered 

 round to the SE, and finally to the SSE. The result is given 

 on PI. XX, figs. 33 and 34. A comparison of these and fig. 32 

 from St. V shows a uniform change in the cui'rents from the 

 one place to the other. All three dials show a strong surface- 

 current, in direction NE. by NNE., with its greatest velocity a 

 httle below the ice, and diminishing in velocity lower down, 

 passing into more variable currents with velocities of less than 

 5 cm. per sec. At St. VI, nearest to the edge of the ice, the 

 NE. current has its greatest velocity at a depth of 2 or 3 metres, 

 and extends down to 4 m., where it still has a velocity of 11 cm. 

 per sec. At St. V it has a depth of 3 m., and at St. IV it is 

 only about 2'5 m. deep, and seems to have its greatest velocity 

 at about 15 m. Thus the whole has the appearance of a sur- 



