148 THE WORLD OF THE SEA. 
If from between the two lobes of a diphyda a long capillary 
filament takes its rise, from which hang into the water a number 
PHYSOPHORA. 
(Physophora hydrostatica.) 
of parallel branches, and which also bears little pyriform, coloured 
bodies, we shall then have the Galeolaria aurantiaca, a wonderful 
hydrostatic colony, discovered by M. Vogt in the neighbourhood 
