original collections. On tke algal plain, tke following 

 fishes were observed eating IJ. yerticillosa ; Acanthunis 

 B aManus , A. coeruleus , A. chimrgus , Balistes vetula, 

 Canthigaster rostrata , Kolocanttrus tricolor , Porno can thus 

 arcuatus, Scarus coeruleus , S_. rubripinne . During feeding 

 trials , it was taken by Scarus coeruleus , Sparisoma 

 aurof renattm and Porno can thus arcuatus . 



*Udotea wilsoni Gepp and Howe. Collected once in a grass bed 

 in 15 m depth and obtained from several places on the 

 algal plain in 18 to 23 m depth mixed with U. spinulosa , 

 U. verticlllosa and U. conglutinata . Reported from several 

 places in the Caribbean in shallow water, but this is the 

 first record for the Virgin Islands. 



Ulvella lens Crouan. Epiphytic on Halimeda tuna , Caulerpa 

 mexicana and Acanthophora spicifera on the algal plain 

 in 18 to 22 m depth. Found by Randall (1964) in the 

 stomach contents of the queen couch, S trombus gigas . 



Valonia aegagropila C. Agardh. Occasional, lightly attached to 

 calcaroues substrates on the algal plain, in 15 to 23 m 

 depth. Previously recorded to 7 m depth Taylor, 1960). 



*Valonia utricularis C. Agardh. Occasional in areas on the algal 

 plain where plant cover is dense, 18 to 22 m depth. Reported 

 by Taylor to 2 m depth; common in the Caribbean but newly 

 recorded here for the Virgin Islands. Randall (1967) found 

 V. utricularis in the stomach contents of the batfish, 

 Ogcocephalus natutus . 



Valonia ventricosa J. Agardh. Conspicuous on reefs growing in 

 crevices in coral heads and rocks, but also common on the 

 algal plain, often rolling free among other algae, and 

 occasional in grass beds. Found in 2 to 23 m depth. 

 Reported by Taylor (1960) in depths to 30 m. Randall (1967) 

 found V. ventricosa in the stomach contents of Alutera 

 scripta . 



VI-184 



