MUSEUM OF COMPARATIVE ZOOLOGY. 



15 



Nature of Bottom. 



Fine sand. 



Coarse sand & shells, hard hot. 



Coral & broken shells, yellow. 



Fine sand and ooze. 



Fine sand, brown specks. 



Hard rocky bottom. 



Coral bottom. 



Very rough, very rocky bot. 



Glob. sand. 



Glob, ooze and broken shells. 



Coral sand and broken shells. 



Hard bottom. 



Fine s. glob. ooze. 



Coral sand and broken shells. 

 Hard bottom. 



Coarse coral s., broken shells. 



Flat calc. stones. 



Coral sand and broken shells. 



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Hard bottom. 



Calc. stones. 



Broken shells and coral. 



Coral and corallines. 



