CHAP. Y.] THE GULF-STREAM. . 375 
lid spicules, some free, some cemented to the continuous skele- 
ton by attachments of silica. For this beautiful sponge, which 
I have every reason to believe is undescribed, I propose the 
name Lefroyella decora. 
We anchored in the evening on the Chaddock Bank a little 
to the south-west of Gibbs’s Hill Light-house, and on the follow- 
ing day we proceeded under steam to sound on the south-west 
side of the reef. We took one or two hauls of the dredge dur- 
ing the day with but little success, and on the 31st of May we 
passed through the narrows, and returned to Bermudas dock- 
yard. 
Natives of San Vicente. 
