lOSrcick Skifc f^aiis Mrrmooth. Drundc^z Qmhois BhjHi 



FIG. I. — The Average Catch per Hour of Gurnards by the 

 Experimental Trawl Net at the Northumberland Stations. 



uoo 

 icoo 



900 



800 



IQO 



600 



500 



400 



300 



200 



100 



too 



200 

 100 



JJhimcuC'h 



I V, 



Druridqe 



Blytk 



'May June -^uly f\u^. Sip Ocl' ^•j'^ 



FIG. II. — The Catches of Gurnards in 1913 at the 

 Stations Named. 



