ADVERTISEMENT. 



The following paper gives the results of experiments made, partly at the expense 

 of the Smithsonian Institution, by Dr. II. C. .Wood, of Philadelphia, in 1876 and 

 1877, to determine the nature and cause of fever. 



The memoir was submitted to the Institution in 1878 and referred to a commis- 

 sion consisting of Dr. S. Weir Mitchell and Dr. J. J. Woodward, and on their 

 recommendation it was accepted for publication in the Contributions to Knowledge. 



SPENCER F. BAIRD, 



iiccretanj of Smithsonian InstUutiun. 

 Washinoton, October, 1880. 



(iii) 



