PHILOSOPHICAL 
TRANSACTION S. 
I. The Cro&nian Lecture . Experiments and Observations upon 
the Structure of Nerves. By Everard Home, Esq. F.R.S. 
Read November 8, 1798. 
Having had the honour of laying before this learned Society 
several Lectures on the actions of different parts of the organ 
of vision, the prosecution of the same inquiry has led to some 
observations on the internal structure of the optic nerve, 
which will be explained in the present Lecture. 
On the first view, the structure of nerves may appear an 
improper subject ; but, when their offices and connection with 
muscles are maturely considered, any knowledge respecting 
them will be allowed an important acquisition towards the 
investigation of muscular motion. 
In bringing forward an account of newly-acquired facts, the 
most natural, and therefore the most satisfactory method is, 
to begin with the circumstances which led to their detection. 
This at present becomes the more proper, as the experiments 
which brought the subject of nervous structure under consi- 
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