CONTENTS. 



Page. 

 Memorial to Jones Very, 1 



Remarks of \V. P. Andrews, 2 ; Edward A. Silsbec, 5; Correspon- 

 dence, 26. 



Social Meeting, Monday, January 3, 1881, . . . . 35 



Winter Field Meeting at Chebacco Ponds, Tuesday, January 11, 

 1881, V .' ' . '. .' 35 



The excursion, 36; Remarks of F. W. Putnam, 36; Prof. E. S. Morse, 

 ;;<; ; Dr. C. C. Abbott, 37; John Robinson, 38; and others. 



% 



Our Trees in Winter, by John Robinson, 38 * 



Regular Meeting, Monday, January 17, 1881, .... 52 

 Charles E. Endicott, lecture on China, notice of, 52. 



Regular Meeting, Monday, February 1, 1881, . . . 64 



James F. Almy, lecture, A sketch of travels in Europe during the 

 summer of 1880, notice of, 51. 



Regular Meeting, Monday, March 7, 1881, . . . . 67 

 The French Republic, by Amos Noyes, 67 



Regular Meeting, Monday, March 21, 1881, .... 64 

 J. P. Cowles, informal talk on China, notice of, 64. 



Regular Meeting, Monday, April 4, 1881, 64 



The Glacial Phenomena ol North America and their relation to 

 the question of man's antiquity in the valley of the Delaware, 

 by Rev. G. F. Wright, ' . . . . . . . .^65 



Regular Meeting, Monday, April 18, 1881, .... 73 



Prof. Isaac J. Osbun, lecture on Science teaching in the schools, no* 

 tice of, 73. 



Regular meeting, Monday, May 2, 1881, 73 



Explanation of an invention for using the sun's rays as a means of 

 heating and ventilation, by Prof. E. S. Morse, 7;J; Remarks by Prof. 

 I. J. Osbun, and E. S. Morse, 74. 



A List of the Birds of the Hudson Highlands, with annotations; 



by Edgar A. Mearns (continued) 76 



(iii) 



