PLATE XVJI.-DISTRIBUTION OF NERVE FIBRES TO SMALL 



a^m. 



ARTERY 



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A small artery fro-m the bladder of tlie liyla or green tree nog, aiiowiag tiie distribu- 

 tion of fine nei-ve fibres to the muscular fibre cells of the vessel. The nerve fibre can 

 be followed from the nerve trunk to the vessel. In the connective tissue to the left 

 are seen two muscular fibre cells with nerve fibres distributed to them, x 216. p. 301 



io5o of an inch x 215. 



