1888.] 



ANATOMY OF B AL, ENICEPS REX. 



28/ 



organ is represented in the accompanying drawings (woodcuts, figs. 1, 

 2, 3, -1), whicli illustrate its different aspects. 



Fig. 3. 





Syrinx of Balceniceps rex. Lateral view, m, ligamentous rudiment of intrinsic 



syringeal muscle. 



Syrinx of BalcBniccps rex. The two bronchi are bent upwards backwards to 

 display the pessulus and naenibrana tympaniformis. h, as in fig. 1. 



Before studying the syrinx itself it is interesting to note that the 

 membrane termed by Garrnd the hronchidesmus, which binds together 

 the two bronchi, is incomplete above, as shown in figs. 1, 2, 4. This 



