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announced his intention to deposit the two Bourton blades in 
the Gloucester Museum. 
The President next brought under the notice of the Club 
the interesting fact of the occurrence of the Long-tailed Duck 
(Harelda glacialis. L.) at Elmore, where an immature specimen 
had lately been shot on the inundated meadows. This is a 
rarity on our coasts, especially so far south, and its presence 
so far from salt water is very remarkable. 
The Second Winter Meeting of the Club was held in the 
Theatre of the 
SCIENCE SCHOOL AT GLOUCESTER, 
on Tuesday, 12th December, to hear a Paper which had been 
prepared by Professor Harker, of the Royal Agricultural 
College, Cirencester, on “The Green Colouring Matter of 
Animals, with recent researches on Symbiosis.” 
The Lecturer began by making reference to Englena viridis 
and its allies, of which some effective representations upon a 
largely magnified scale were suspended on the walls. This 
microscopically minute organism belongs to the family of 
flagellate Infusoria, which form a greenish slime on stagnant 
waters. It has a mouth and stomach, and is furnished with a 
long “flagellum”? or whip-like process, by the rapid vibration 
of which it progresses through the water. Within the body 
are certain amylaceous or starchy bodies, and it is coloured 
green by chlorophyll. It has long been known that the green 
colouring matter of plants (chlorophyll) is not confined to the 
vegetable kingdom, but occurs in various animals. So long ago 
as the end of the last century Prrestiey obtained oxygen from 
Englena viridis, and this was held to be proof of its vegetal 
nature. In certain green planarian worms, Scuuurze, forty 
years ago, found chlorophyll. In the well-known fresh-water 
polyp Hydrw viridis, and the fresh-water sponge Spongilla 
fluviatilis, the green colouring matter was examined spectro- 
scopically by Ray Lanxestrr, and determined as chlorophyll, 
while Mr Sorpy has made an elaborate investigation into the 
a 
