Plate I. Fishery Research Ship Explorer from the Aberdeen laboratory of the Department of 

 Agriculture and Fisheries for Scotland. 



Photograph by N. T. Nicoll 



Princess Alice of Monaco, by the recent Danish Galathca in 1950-52 which 

 found hfe six miles down in the Phihppinc Trench, and many other in- 

 vestigations, into polar, temperate and tropical waters by British, Norwegian, 

 Swedish, German, American, Japanese, Russian and other scientists. There 

 are also the now countless numbers of cruises of the research vessels of the 

 various biological and fisheries laboratories, owned by almost every country, 

 big or small, that has a sea coast. These vary from the small rowing or motor 

 boat attached to the smaller marine biological laboratories and used only for 

 local work, to the bigger and more fully equipped sea-going ships of the larger 

 laboratories. There are a great many of these, their number and their equip- 

 ment would indeed surprise the pioneers like Sir John Murray or Victor 

 Hensen, such is the modern realization of the need to understand the wealth 

 of the sea and to conserve it when necessary. There are few countries with 

 a real interest in marine fisheries that do not possess at least one research 



