Discussed by Vaughan (1901), page 313 and 

 1919), page 482. 



Brownish yellow. Coral forms flat frond-like 

 branches resembling somewhat the horns of an elk. 

 Other characteristics similar to A. cervicornis, of which 

 it has been considered a variety. Found throughout 

 Florida Keys, the Bahamas and the West Indies. 



Corallites similar to A. cervicornis. Branches jlabel- 

 liform or frond -like, flattened in more or less horizontal 

 plane. 



6. Acropora prolijers (Lamarck) . 



Also Jsopora muricata forma prolifera (Vaughan 

 1901). 



Discussed by Vaughan (1901), page 313, and 

 (1919), page 482. 



Brownish yellow. Similar to Acropora cervicornis 

 with branches joining where they cross so as to form 

 flattened plates. Has been considered merely a variety 

 of Acropora cervicornis which is intermediate between 

 that species and Acropora palmata, also considered a 

 variety. The validity of these species is discussed by 

 Vaughan. Found throughout Florida Keys, the Ba- 

 hamas and the West Indies. 



Corallites similar to A. cervicornis. Branches more 

 crowded, however, tending to fuse into flabelliform 

 growths. 



7. Agaricia agaricites (Linnaeus) , (Plates 4, 5) . 

 Also Agaricia crassa Verrili, (Verrill 1902), also 



Agaricia purpurea Lesueur, (Verrill 1902). 



Described by Verrill (1902), pages 140-150 and 

 by Vaughan (1919), page 427. 



Chocolate to purple-brown. Short white tentacles. 

 Coral forms more or less erect fronds covered with cups 



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