60 bulletin: museum of compaeatiye zoology. 



EXPLANATION OF THE PLATES. 



PLATE I. 



Coral Sand Beach, Key West, Florida. 



PLATE II. 

 Beach Rock partly covered with Coral Sand, Boca Grande. 



PLATE III. 

 Vegetation, Boca Grande. 



PLATE IV. 



Coral Sand Beach, between Patches of Elevated Reef, Elliott Key. 



PLATE V. 

 Coral Sand Beach Rock, South Shore, Key West. 



PLATE VT. 

 Elevated Reef, Indian Key. 



PLATE VII. 



Elevated Reef, Indian Key. 



PLATE VIII. 



Elevated Reef, Eastern Extremity of Elliott Key. 



PLATE IX. 

 Part of Eastern Arc of the Marquesas Islands. 



PLATE X. 



Part of Western Arc of the Marquesas Islands. 



