THE COMPUMSJfrs Off 



SAMUEL H. SCUUDER. 



\J JL 



OF THE 



AMERICAN ASSOCIATION 



FOR THE 



ADVANCEMENT OF SCIENCE. 



I. 



SALEM, MASS. 



P. W. PUTNAM, PERMANENT SECRETARY, A. A. A. S. 

 1875. 



LIBRARY 



UNIVERSITY OF CAL1FQRNLA 

 TMV1S 



