...Ocean is a most important feature, since there is a marked deficiency in this region of higher forms of vegetation, and were it not for them there would neither be food for aquatic animals, nor could the ocean water be purified of the poisonous carbonic acid which animal respiration and decomposition...

...Ocean is a most important feature, since there is a marked deficiency in this region of higher forms of vegetation, and were it not for them there would neither be food for aquatic animals, nor could the ocean water be purified of the poisonous carbonic acid which animal respiration and decomposition...

...Ocean is a most important feature, since there is a marked deficiency in this region of higher forms of vegetation ; and were it not for them there would...maintain themselves by preying on one another) could the ocean waters be purified of the carbonic acid which animal respiration and decomposition would be continually...

...Dr. G. Hartwigin "The Sea and its Living Wonders" says, " Without the diatoms there would be neither food for aquatic animals nor (if it were possible...maintain themselves by preying on one another) could the ocean waters be purified of the carbonic acid which animal respiration would be continually imparting...

...there is a marked deficiency in this region of higher forms of vegetation, so that without the Diatoms there would neither be food for aquatic animals nor...maintain themselves by preying on one another) could the ocean waters be purified . of the carbonic acid which animal respiration would be continually imparting...

...for Diatoms there would not be food for aquatic animals, nor could the ocean waters be purified from the carbonic acid which animal respiration and decomposition would be continually imparting to them. Diatoms are found in the digestive organs of fishes, where many rare specimens may often be obtained....