888 General Notes. [October, 
7. Certain chemical agian of plants eon eeier in relation to their morphology 
and evolution, By Helen C. De S. Abb 
e author maintains that in pea the relationship of 
pists, their chemical constitution has important claims for con- 
sideration, and illustrates the proposition e% tracing the occur- 
rence of Saponin and some other substance 
8. Atavism the result of cross-breeding lettuce. By E. Lewis Sturtevant. 
This gave a description of several plants of lettuce grown 
from si of the previous year’s — among which were 
one or more clear instances of atavism 
g. A study in agricultural botany. By E. Lewis Sturtevant. 
The type forms of cultivated vegetables, especially of parsnip, 
carrot, etc., are shown to be traceable to wild prototypes and not 
to have originated by human selection. Variation under culture 
has circumscribed limits. 
10. Biology of pane trees with special reference to the requirements of forestry. 
By B. E. Fernow. 
The ah reviewed the various influences which affect the 
growth of forest trees, and pointed out the factors that especially 
need studying in developing the forest botany of America. 
It. pony agree analysis of a Honduras plant named ‘‘Chichipate,”’ By Helen C. 
12. Preliminary analysis of leaves of Juglans nigra. By Lillie J. Martin, 
13. On the presence of cane sugar and allantoin in ungerminated embryo of wheat. 
By C. Richardson and C. A. Crampton. 
14. Tyrotoxico1 (cheese e po ison); its occurrence in milk and its products, 
method of detecting it. By V. C. Vaughn, 
15. Blue milk and ropy cream. By W. McMurtrie. 
16. The bacterium of swine plague. By D. E. Salmon and Theobald Smith. 
17. The variability of pathogenic organisms, as illustrated by the bacterium of swine 
plague. By Theobald Smith. 
18, The theory of immunity from contagious diseases. By D. E. Salmon. 
-Ig. On some Carboniferous wood from Ohio. E. W. Claypole. 
20. On the Cretaceous flora of North America. By J. S. Newberry. 
Tue Boranicat CLUB OF THE A. A. A. S.—About ninety T 
istered as members of the club, which is a slightly larger num 
last year. The club has proved a vigorous offspring, | 
and a 
were held in the room i the Biological section farog the hour 
d it is a fact 
yet the 
, with 
7 its varied ies and more naitabi hour: ed by 
=- _ The secretary of the club, Mr. J.C. Arthur beng oani 
-~ duties Enmig to the association, Dr. N. L. Britton pipe 
pointed secre pro tem. Professor J. M. Comes was C dij 
Them meetings were held on Thursday, Friday, Monday 
y mornings, the time being given to short 
x: ‘ 
