558 



THE TVBULARIAN HYDRO JD. 



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. ' 



TUBULABIAN HYDKOWS.-'futmlaria 



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 : 

 their stinging powers. 



