49 
Fic. 24.—The northwestern North Atlantic region illustrated in such a manner as to present 
one of the fundamental factors causing the gradient Labrador Current. The long curved 
arrows indicate the average wind direction December-March, and the short double arrows 
show the general movement of the water as a result. The diagram AB—CE represents the 
relative positions of Archimedean and Ferrelian forces and the direction of gradient flow 
