8 



Nils Rosén 



Expedition sent to the Bahamas in 1903 by the Geographical Society of Baltimore. 

 G. B. Shattuck, B. L. Miller and Ch. N. Mooney, members of the Expedition, 

 have pubhshed papers about the results on this point, while Dall has described 

 the fossils collected I am not going to give here a detailed account of the results 

 of these studies and the different views put forth, I am only trying briefly to trace 

 the geological history of the Bahamas, from their origin to tlie present epoch, and 



Map. 1. 



at the same time to give a short sketch of the physical nature of the islands, as 

 far as it is of any interest for a zoogeographical study. For a more detailed study of 

 this subject I refer the reader to the above named papers. 



The bank on which the Bahamas are situated, has been eroded rather much 

 and is at present to a great extent broken up into several small banks, which are 

 separated on the north from Florida by the broad Straits of Florida, about 300 — 



^ The results of this expedition are published in : The Bahama Islands, ed. by G. Shattuck, 

 New York 1905. 



