*Galaxura obtusata CEHlts and Solanderl Lamouroux. Found on 

 algal plain in 18 to 20. m depths 5Q to 8Q. m from the reef 

 and mixed with, Syrinaodium in a grass bed in 13 m depth,. 

 Recorded from shallow water to about 53 m deptb (Taylor, 

 19&0I. Reported liexe. for the first time from the Virgin 

 Islands. 



Galaxura subverticellata Kjellman. Found on the algal plain 

 in 18 m deptb 50 m from the reef. Reported from shallow 

 water by Taylor (I960) . 



Gelidium corneum (Hudson) Lamouroux. Found on rocks and dead 

 coral heads in protected places on the reef, and on 

 isolated rocks and coral on the algal plain in 12 to 17 m 

 depth. Usually reported from shallow water (Taylor, 1960). 

 Randall (1967 recorded the following constmiers of this 

 species: Abudeduf taurus , Acanthurus chirurgus , 

 Kyphosus sectatrix , Scarus guacamaia , S^. vetula, and 

 Sparisoma rubripinne . Undetermined species of 

 Gelidiimi were found in Scarus croicensis , S^. guacaima , 

 S^. taeniopterus , S_. vetula , Sparisoma aurofrenatum , 

 S^. chrysopterus , S_. rubripinne , and S^. viride. 



*Gloiophlaea caribaea Taylor. Found attached to Halymenia floresia 

 and Udotea wilsoni in 20 m depth 50 m from the reef. Newly 

 reported for the Virgin Islands . 



Goniotrichum alsidii (Zanardini) Eowe. A common epiphyte on 

 larger algae (Halimeda , Laurencia , Acanthophora ) on the 

 algal plain in 15 to 20 m depth, and mixed with other 

 filamentous species attached to the habitat and on rocks and 

 dead coral on the reef. Previously reported from shallow 

 water (Taylor, 1960). 



Gracilaria cylindrica Borgesen. Occasional on the algal plain 

 attacked to shell and limestone in 20 to 31 m depth 50 to 

 180 m from tbe reef. Originally described from the Virgin 

 Islands . During feeding trials this species was eaten by 

 Pomocanthus arcuatus and Sparisoma aurofrenatum . 



Gracilaria debilis (Forskal) Borgesen. Occasional on the algal 



plain in 20 to 21 m deptb 50 to 100 m from the reef. Usually 

 obtained in shallow water (Taylor, 1960). Randall (1967) 

 found this species in the stomach contents of C anther in es 

 macrocerus. 



VI-193 



