]92 MR. R. H« BURNE ON THE 



Text-figure 5. 



ST.PHM 



Outline of tlie pharynx 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. 



5TPH.M 



Superficial dissection of the larynx of Okapia johnstoni. 



cr.ar.m., crico-arytsenoid muscle ; cr.ph.m., crico-pharyngeal muscle; cr.th.in., crico- 

 thyroid muscle; hy.ep.m., hyo-epiglottidean muscle; hy.ph.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 1 . Pharyngeal branches of vagus. X 2 . Superior 

 laryngeal nerve. 



