PHILOSOPHICAL SOCIETY OF WASHINGTON. 29 



duced, attention was called to the importance of making early 

 and complete experiments for determining the real value of this 

 method. 



Mr. E. B, Elliott made a communication 



ON THE STATISTICS OF THE BORROWING POWER OF THE UNITED 



STATES. 



Mr. J. E. Hilgard made a communication 



ON THE DISTRIBUTION OF THE POPULATION IN THE UNITED STATES. 



10th Meeting. September 9, 1871. 



The President in the Chair. 



The evening was occupied by verbal communications from 

 various parties. 



11th Meeting. September 23, 1871. 



The President in the Chair. 

 Prof S. Newcomb read a paper 



on the transits of VENUS, PAST AND FUTURE, 



Dr. Theodore Gill made some remarks 



ON ADDITIONS TO THE FISH FAUNA OF MASSACHUSETTS, DUE TO THE 

 researches OF PROP, S, F. BAIRD, U. S. FISH COMMISSIONER. 



{This communication was suhstantiall y as published under the title, "On recent 



additions to the Fish Fauna of Massachusetts," in the Proceedings of 



the American Association for the Advancement oj Science, for 



1873, B.pp. 34-36.) 



