558 



THE TVBULARIAN HYDRO ID. 



behind him, we then measured them in the same manner, and found them rather more than 

 fourteen times the length of the oar, thus covering a space of some hundred and twelve feet." 



TUBULAKIAN HYDKOIDB. Tufmluna indwisa. 



This sounds so marvellous it may be taken as an exaggeration, but the facts are rather 

 understated than otherwise. We may well regard such creatures with caution and dread for 

 their stinging powers, 



