CHAPTERS 



ON THE 



N ATUR A L HISTORY 



OF THE 



UNITED STATES 



BY 



R. W. SHUFELDT, M.D. 



CAPTAIN, MEDICAL DEPARTMENT, U. 8. ARMY (RETIRED). 



ASSOCIATE IN ZOOLOGY, SMITHSONIAN 



INSTITUTION. 



Author of The Osteology of Arctic and Subarctic Water Birds," " The Myology 



of the Raven," "Lectures on Biology," "The Anatomy 



of Heloderma," Etc., Etc. 



STUDER BROTHERS, Publishers, 



114 Fifth Avenue, New York. 



Issued under the auspices of 



THE NATURAL SCIENCE ASSOCIATION OF AMERICA, 



NEW YORK, U. S. A. 

 1900 



