Notes and Comments. 
114 
BRITISH ASSOCIATION REPRINTS. 
The British Association for the Advancement of Science 
is issuing a new series of reprints, beginning with a selection 
of communications given at the Edinburgh Meeting, 1921, 
including : (1) Science and Ethics, by E. H. Griffiths, Sc.D., 
F.R.S.,9d. ; (2) Discussion on the Structure of Molecules, 9d. ; 
(3) Report on Credit, Currency, Finance, and Foreign Ex- 
changes, is. 6d. ; (4) Report on Complex Stress Distributions 
in Engineering Materials, 3s. 6d. ; (5) Report on Charts and 
Pictures for use in Schools, is. ; (6) Report on the Practic- 
ability of an International Auxiliary Language, is. ; (7) 
Report of the Conference of Delegates of Corresponding 
Societies, including Sir Richard Gregory’s address on the 
Message of Science, and T. Sheppard’s Bibliography of Papers 
on Zoology, Botany, and Prehistoric Man, relating to the 
British Isles, published in 1920, 2s. These are on sale at the 
office of the Association, Burlington House, Piccadilly. 
YORKSHIRE NATURALISTS’ UNION. 
At a recent meeting of the executive committee of the York- 
shire Naturalists’ Union, a strong sub-committee was formed 
in order to assist in connexion with the Hull meeting of the 
British Association for the Advancement of Science in Sep- 
tember. One object of this sub -Committee is to illustrate the 
various and numerous activities of the sections and committees 
of the Union in the form of an exhibition at Hull, so that the 
British Association may be able to see the results of research 
on the part of the members of one of the most important 
Natural History Societies in the provinces.. Will the secre- 
taries of the sections and committees and others interested, 
please communicate with the Secretaries of the Yorkshire 
Naturalists’ Union, at the University, Leeds, in order that 
work may be commenced at once, and on the right lines. 
MARVELS, 
The Entomologist’ s Record draws attention to the following 
note appearing in the recent issue of the Daily Telegraph, 
headed ‘ Plant Life Marvels ’ : — ‘ Some seeds are covered 
with a capsule, which bursts and scatters them broadcast. 
Others get distributed in the excrement of birds, and many 
foreign weeds are introduced to our lands by such means ; 
and so are plants "growing on walls, on church towers and 
other inaccessible places. Animals like the sheep will carry 
certain seeds of wild plants in their wool, Another remarkable 
growth is the fungus known as ergot, which thrives on the 
flowers of certain grasses in our meadows, and when eaten 
by sheep is said to produce the disease known as “ fluke,” or 
perforation of the life organs by a sort of maggot.’ 
Naturalist 
