coastal currents of the suspended material proceed farther from shore 

 they lose a large part of the suspended material, causing their color 

 to change by reason of the settling of the material. The author notes 

 that these color bands may be found at very great distances from land 

 and also states that they exist only in times of calm. He explains 

 this by stating that whenever the wind is strong or irregular the tongues 

 of water are mixed with the surrounding water and lose their identity. 



38 



