]92 



MR. K. H, BURNE ON THE 



Text-figure 5. 



STPHM 



ST.TH.M 



Outline of the pliavynx of a Giraffe, for comparison with text-fig. 4. 

 Ji.tr.m., hyoideus transversus muscle. Other lettering as in text-fig. 4. 



Text-figure 6. 



STPH.M 



HYPK.f' 



Superficial dissection of the larynx of Okapia johnstoni. 



cr.ar.m., crico-arytsenoid muscle; c?\j)7i.«?., crico-pharyngeal muscle; cr.iA.m., crico- 

 thyroid muscle; 7if^.ejo.TO.,hyo-epiglottideau muscle; hy.fh.m., hyo-pharyngeal 

 muscle ; s.l.a., superior laryngeal artery ; st.ph.m., stylo-pharyngeal muscle ; 

 t., tonsil; th.c, thyroid cartilage; th.ph.m., thyro-pharyngeal muscle. 



IX. Glosso-pharyngeal nerve. X^ Pharyngeal branches of vagus. X^. Superior 

 lai'yngeal nerve. 



