58 



SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. DO 



Fig. 64. — Mr. Wm. Palmer digging for fossils on Chesapeake Bay. 

 Photograph by Gronherger. 



OBSERVATIONS ON MOLLUSKS AMONG THE BAHAMA ISLANDS 

 AND THE FLORIDA KEYS 



On the invitation of Dr. Alfred G. Mayer, director of the Depart- 

 ment of Marine Biology of the Carnegie Institution, Dr. Paul Bartsch 

 of the National Museum joined an expedition on the steamer Anton 

 Dohrn to the Bahama Islands, the main object being a study of the 

 marine mollusks of that region in their natural surroundings, with 

 special reference to the boring and nestling organisms associated with 

 corals. 



Incidentally a trip was made by motor boat up the Miami River, 

 and along the Everglade drainage canal ; as well as several visits 

 to the off-lying keys. Collections were made in all these places and 

 careful notes bearing upon fauna! associations were taken upon all 

 the material gathered. The region about Miami is extremely well 

 suited for observations of this kind, as it presents many different 



