746 



THE POPULAR SCIENCE MONTHLY. 



build up a brandling, 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 



Pig. 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. 



