Plate 3". 



Showing tlie pelagic and bottom faunal distribution. 

 h indicates a good haul of the trawl. 

 — h indicates a poor haul of the trawl. 



1 a good surface tow. 



2 a poor surface tow. 



a barren surface tow. 



t indicates that serial temperatures were taken at that point. 



The curves show the northern limit of (7) good surface tows. 



The southern limit of 1. 



The southern limit of 7i. Its northern limit is not indicated as the bottom fauna of the 

 Pauamic district was everywhere rich. 



The ciu-vc of the soutliern limit of (— /*) poor trawl hauls is indicated. 



The curve of the southern limit of {2) poor surface tow is shown. 



The curves of the northern as well as the southern limit of the barren tows {0) are indicated. 



