1895.] 



HTOID BONE OF CEHTAIIf PAEEOTS. 



173 



Seen laterally, the entoglossal shows a sigmoid curvature, 

 its dorsal margin being concave above anteriorly and convex 

 posteriorly. Thus seen, the preaxial end does not show any 

 expansion, but there is a distinct anterior lateral process separated 



Fig. 6. 



A 



—cb 







Hyoid of Stringops hahroptilus, \. 



A. Dorsal aspect ; B. Ventral aspect ; 0. Lateral aspect. 

 (Lettering as before, see p. 164.) 



by a notch from the posterior one ; the outer surface of the pos- 

 terior part of the entoglossal, which looks ventrad as well as 

 externad, is veiy strongiy concave dorso-ventrally. 



