NO. 9 NEW RIVER-DOLPHIN FROM CHINA MILLER II 



EXPLANATION OF PLATES 

 Plate i 



Lower figure, Lipotes vexillifcr. Photograph of freshly killed animal by 



Charles M. Hoy. 

 Upper figure, tracing from another photograph b}' Mr. Hoy. 



Plate 2 

 Lipotes vexillifcr, type. Dorsal view of skull (about X -jO). 



Plate 3 



Inia gcoifrensis. No. 49582, U. S. Nat. Mus. Dorsal view of skull (about 

 X.30). 



Platl 4 

 Lipotes vexillifer, type. Lateral view of skull (about X -30). 



Plate 5 



Inia geoffrciisis, No. 49582, U. .S. Nat. Mus. Laetral view of skull (about 

 X.30). 



Plate 6 



Lipotes vexillifcr, type. Palatal view of skull (about X -30). 



Plate 7 



Inia geoffrensis. No. 495S2, U. S. Nat. Mus. Palatal view of skull (about 

 X.30). 



Plate 8 



Upper figure, Lipotes vexillifer, type. Occipital view of skull (about X -30). 

 Lower figure, Inia geoffrensis, No. 49582, U. S. Nat. Mus. Occipital view of 



skull (about X .30). Tilted slightly forward; the extremity of the frontal 



should just clear the squamosal. 



Plate 9 

 Lipotes vexillifcr, type. Mandible (about X -So). 



Plate 10 

 Inia geoffrensis. No. 49582, U. S. Nat. Alus. Mandible (about X -30). 



