100 ANNUAL MEETING, MAY 10. 



day, Jan. 5, 1881, G. P. Lathrop of Boston, "Color in 

 Nature;" Wednesday, Jan. 12, G. P. Lathrop, "Color in 

 art and life." 



Third course by Prof. Isaac J. Osbim of the State 

 Normal School, Salem, on "The Chemistry of common 

 Things:" Feb. 2, "A lump of Salt;" Feb. 9, "A pound 

 of Sugar ;" Feb. 16, " A loaf of Bread ;" Feb. 23, " A cup 

 of Tea." 



Meetings. — Regular meetings usually on the first and 

 third Monday evenings of each month. The following 

 communications received and lectures delivered may be 

 specified : John Robinson, "Notes on the Flora of Essex 

 County, with sketches of the early botanists and a list of 

 the publications on this subject." Edgar A. Mearns, "A 

 continuation of a list of the birds of the Hudson High- 

 lands, with annotations." Edward S. Morse, "The grad- 

 ual dispersion of certain mollusks in New England." 



William P. Andrews, "A tribute to the memory of Jones 

 Very ;" E. A. Silsbee on "Jones Very's place in Literature ;" 

 Charles E. Endicott on "China;" James F. Almy, "Notes 

 on European travels ;" Amos Noyes of Newburyport, " On 

 the French Republic ;" J. P. Cowles, Jr., of Ipswich, " In 

 and about Pekin ;" George Frederick Wright of Andover, 

 "On the Glaciation of North America, and its bearing on 

 the antiquity of man in New Jersey ;" Isaac J. Osbun, Nor- 

 mal School, Salem, " Science teaching in schools," illus- 

 trated by experiments ; Edward S. Morse, "A descriptive 

 account of his apparatus for the utilization of the sun's rays 

 in the ventilation of buildings," etc. ; James A. Emmerton, 

 "An account of Henry Silsbee and some of his descend- 

 ants ;" Mrs. K. T. Woods, "A memoir of Lewis N. Tappan 

 of Manchester, Mass. ;" Henry F. Waters, " Matthias Cor- 



