Page:Popular Science Monthly Volume 44.djvu/85

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is about the size of a thimble. The clear indigo water was speckled with them. You could dip them up anywhere in a bucket, and we sailed miles without noticing any appreciable diminution in their numbers. This and like spectacles give us a

PSM V44 D085 Luminous fishes.jpg
Fig. 8.—Luminous Fishes.

faint conception of the incalculable wealth of the sea in living things, and of their superabundance if allowed to multiply unchecked.

Another marine organism seen floating near the surface is three or four inches long and looks like a little roll of white lace with a pink spot in the center. This is a species of salpa, which