137 - 



.lOllS. SCHMU)'!' 



3S- 30" 



_2&" 20° IS" 10- S- 



Fig. 11. To show the temperature in 1000 meters depth and similarly at a depth of SO meters 



during the spawning time of the principal gadoids (spring and end of winter). The difference 



in temperature at 50 and 100—200 meters is but small at least at this time of year. The broken 



curves are isotherms for 1000, the unbroken for 50 meters depth. 



(Prepared by Cand. mag. I. N. Nielsen from Danish, English and Irish observations in 



1904—1905.) 



18 



