CHAP, v.] 



TRE GULF-STREAM. 



375 



lid spicules, some free, some cemented to the continuous skele- 

 ton bj attachments of silica. For this beautiful sponge, which 

 I have every reason to believe is undescribed, I jjropose the 

 name LefroyeUa 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. 



ISatives; of Sau Vicente. 



