THE BRITISH ASSOCIATION AT MANCHESTER Bal 
several localities. The characters taken were: length, breadth, 
breadth at the base, number of cells at the place of the greatest 
width, breadth of border and number of the cells of the border at 
the same place, number of teeth at the border and on the nerve 
the fertile stem. Examples of the identification of a specimen 
were given from tables in which the minimal and maximal values 
leaves. It was sores: to find the name of the oe by two 
moss species by ae method, no matter how large the gen 
short aimless discussion Dr. M. C. Stopes gees a 
ms : 
he 
Lower Greensand afforded a great doniehat: with the “ aap 
climate” of the Wealden of Southern England. A new genus and 
several new species were mentione 
n the afternoon Mr. W. L. B Balls gave the best attended rene 
ction indus such a subject as the application of science to sh 
and with co- operation on lines s uggested in the paper ieee sutra 
of yarn might be increased very appreciably. 
ursday’s meeting opened with an account by Miss T. L. 
Prankerd of her preliminary st i on the nature and dis 
tribution of the statolith appara n plants. Excellent lantern 
slides illustrated the paper. The erin statolith : is used to designate 
a body free 0 fall within the cell (the statocyte) which contains 
it. Many interesting and rather unexpected facts were mentioned. 
The author aye sa the statolith an nies: mechanism, the 
simplest form of statocyte being the living cell, which, passing 
through iuniltional stages, reaches its highest expression in the 
cell bility relatively heavy bodies differentiated both in size 
and mobilit 
After a Fan discussion, Dr. S. M. Baker gave an account of a 
liquid pressure theory of the circulation of sap. The basis of the 
theory is the assumption that the root is divided into two regions, 
. g. Professor MacLeod has worked with thirty-eight characters in 
abou dteay species, and waste varieties of the genus Carabus, but his week 
interrupted by the a 
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