1078 a Proceedings of Scientific Societies. ~ [Dec., 1886. 
of some facts in human physiology. There were models to show 
the various proportions of water, proteids, fats, etc., in the human 
body, and in the daily income and outyo. Then in bottles were 
shown the relative proportions of the same constituents in milk, 
butter, meal, etc.; while co illustrated the comparative food 
orth o 
which could hardly be excelled for nutritious qualities, while oleo- 
margarine is a benefit to all mankind, the farmers excepted. The 
apparatus will doubtless prove of great value in conveying to 
pupils in our common schools a knowledge of just those principles 
of ee which will be of the most ‘value i in after life. 
. 20,—Mr. S. H. Scuddeg described the mode of life of a 
fossil beat 
Nov Mr. James H. Emerton described the anatomical 
changes randersoan by the milkweed butterfly in its chrysalis 
stage; and also spoke of the flying spiders on Boston common. 
Nov. 17.—Dr. George L. Goodale reviewed recent investiga- 
tions relative to the absorption of coloring matter by living vege- 
table cells. 
