. Dwellers of the sea and shore . EGGS OF A FLATWORM LAID ON THE GLASS SIDE OF AN AQUARIUM. (ENLARGED.) is required in the normal process of breathing, Is the ultimate in solving the food problem. Yet this very thing Is accomplished by the serpulids. Scientifically, the serpulids are known as tiihicolous polych^ete anne- lids. For our purpose, however. It will be sufficient to understand them as tube-dwelling segmented, or ringed, worms bearing bristles—which means precisely the

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Keywords: ., bookcentury1900, bookpublishernewyorkt, booksubjectmarineanimals