f^'"^ 



Fig. 8. Muscle-fibre I'loin (lie musculus ciliaris ol' a full-grown fowl 



with double innervatiun. uf— accessory nerve-termiiiation. Hi = common 



motor nerve-endiug. 



Fig. 9 and 10. Muscle-fibres of the sphincter pupillae of the eye of a full-grown 

 fowl, showing double innervation. 



