746
THE POPULAR SCIENCE MONTHLY.
build up a branching, tree-like colony, with a feeding hydra at the tip of each twig. Two branches from one of these trees are shown in Fig. 15. Ultimately each of these hydras produces a number
Fig. 16.—Eutima.
of buds around the base of its body, as shown at B in the figure, and these buds ultimately become detached and grow up into the adult jelly-fish, K.