$^ 



)'/Gr>?e NATIONAL 



GEOGRAPHIC 

 MAGAZINE 



33: 



Vol. XVIII JUNE. 1907 No. 6 



CONTENTS 



OUR FISH IMMIGRANTS 



ILLUSTRATED 



By Dr Hugh M. Smith, Deputy Commissioner, U. S. Bureau of Fisheries 



The Big Horn Mountains. By N. H. Darton, of the U. S. Geological Survey. 

 Illuftrated. 



The City that was Exchanged for New York. By Mrs Harriet Chalmers 



Adams. lUuflrated. 



An Impression of the Guiana Wilderness. By Professor Angelo Heilprin, 



of Yale University. IlIuArated. 



Fishes that Euild Nests and Care for Their Young. By Dr Theodore 



Gill. lUuacated. 



Notes on the Remarkable Habits of Certain Turtles and Lizards. By 



H. A. Largelamb. Ululated. 



Some Useful Facts about the Countries of the World. 



Four Prominent Geographers. 



Published by the National Geographic Society 



Hubbard Memorial Hall 



Washington, D. C. 



$2.50 a Year 25 Cents a Namber 



Entered at the Post-Offlce at Washington, 0. C, as Second-Class Mail Matter 

 Copyrlaht, 1907, by the National Geographic Society, Washington, D. C. All rights reserved 



