36 



ANATOMY OF THE DOMESTIC FOWL 



Fig. 9. — Os hyoidum and tongue muscles, i, Glosso-hyal. 3, Basi-hyal. 4, 

 Basi-branchial element of the cornua. 5, Cerato-branchial element of the 

 cornua. 6, Uro-hyal or spur process. 7, Genio-hyoideus. 8, Cerato-hyoideus 

 showing the slender tendon. 9, Hyoideus transversus. 10, Hyoideus_4trans- 

 versus. 



